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SN65LVDS306 SLLS765B 27-BIT SN65LVDS305 J1752/3 LVDS306 LVDS305 M0056-02 - Datasheet Archive
www.ti.com SLLS765B SEPTEMBER 2006 REVISED FEBRUARY 2007 PROGRAMMABLE 27-BIT SERIAL-TO-PARALLEL RECEIVER FEATURES
SN65LVDS306 SN65LVDS306 www.ti.com SLLS765B SLLS765B SEPTEMBER 2006 REVISED FEBRUARY 2007 PROGRAMMABLE 27-BIT 27-BIT SERIAL-TO-PARALLEL RECEIVER FEATURES · · · · · · · · · · · · Serial Interface Technology Compatible With FlatLinkTM3G Such as SN65LVDS305 SN65LVDS305 Supports Video Interfaces up to 24-Bit RGB Data and 3 Control Bits Received Over One SubLVDS Differential Line SubLVDS Differential Voltage Levels Up to 405-Mbps Data Throughput Three Operating Modes to Conserve Power Active mode QVGA: 17 mW Typical Shutdown: 0.7 W Typical Standby Mode: 27 W Typical Bus-Swap Function for PCB-Layout Flexibility ESD Rating > 4 kV (HBM) Pixel Clock Range of 4 MHz15 MHz Failsafe on all CMOS Inputs Packaged in 5-mm × 5-mm MicroStar Junior BGA® With 0,5-mm Ball Pitch Very Low EMI Meets SAE J1752/3 J1752/3 Kh-Spec APPLICATIONS · · · The serial data and clock are received via sub-low-voltage differential signalling (SubLVDS) lines. The SN65LVDS306 SN65LVDS306 supports three operating power modes (shutdown, standby, and active) to conserve power. When receiving, the PLL locks to the incoming clock CLK and generates an internal high-speed clock at the line rate of the data line. The data is serially loaded into a shift register using the internal high-speed clock. The deserialized data is presented on the parallel output bus with a recreation of the pixel clock, PCLK, generated from the internal high-speed clock. If no input CLK signal is present, the output bus is held static with PCLK and DE held low, while all other parallel outputs are pulled high. The parallel (CMOS) output bus offers a bus-swap feature. The SWAP control pin controls the output pin order of the output pixel data to be either R[7:0]. G[7:0], B[7:0], VS, HS, DE or B[0:7], G[0:7], R[0:7], VS, HS, DE. This gives a PCB designer the flexibility to better match the bus to the LCD driver pinout or to put the receiver device on the top side or the bottom side of the PCB. The F/S control input selects between a slow CMOS bus output rise time for best EMI and power consumption and a fast CMOS output for increased speed or higher-load designs. Small Low-Emission Interface Between Graphics Controller and LCD Display Mobile Phones and Smart Phones Portable Multimedia Players DESCRIPTION The SN65LVDS306 SN65LVDS306 receiver deserializes FlatLinkTM3G-compliant serial input data to 27 parallel data outputs. The SN65LVDS306 SN65LVDS306 receiver contains one shift register to load 30 bits from one serial input and latches the 24 pixel bits and 3 control bits out to the parallel CMOS outputs after checking the parity bit. If the parity check confirms correct parity, the channel parity error (CPE) output remains low. If a parity error is detected, the CPE output generates a high pulse while the data output bus disregards the newly-received pixel. Instead, the last data word is held on the output bus for another clock cycle. Flatlinkä3G LCD Driver LVDS306 LVDS306 CLK DATA LVDS305 LVDS305 1 2 3 4 5 6 7 8 9 * 0 # Application Processor with RGB Video Interface M0056-02 M0056-02 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. FlatLink is a trademark of Texas Instruments. BGA is a registered trademark of Tessera, Inc. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright © 20062007, Texas Instruments Incorporated SN65LVDS306 SN65LVDS306 www.ti.com SLLS765B SLLS765B SEPTEMBER 2006 REVISED FEBRUARY 2007 These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. DESCRIPTION (CONTINUED) The RXEN input can be used to put the SN65LVDS306 SN65LVDS306 in a shutdown mode. The SN65LVDS306 SN65LVDS306 enters an active standby mode if the common mode voltage of the CLK input becomes shifted to VDDLVDS (e.g., transmitter releases CLK output into high-impedance). This minimizes power consumption without the need of switching an external control pin. The SN65LVDS306 SN65LVDS306 is characterized for operation over ambient air temperatures of 40°C to 85°C. All CMOS and SubLVDS signals are 2-V tolerant with VDD = 0 V. This feature allows signal powerup before VCC is stabilized. FUNCTIONAL BLOCK DIAGRAM VDDLVDS RBBDC CPE iPCLK D+ 50 Parity Check SubLVDS 50 SWAP F/S AND D 8 1 8 0 0 1 RGB = 1 HS = VS = 1 DE = 0 VDDLVDS G[0:7] Output Buffer 27-Bit Parallel Register Serial-to-Parallel Conversion R[0:7] 8 B[0:7] HS VS Standby or Pwr Down DE RBBDC CLK+ ´30 50 50 PLL Multiplier SubLVDS CLK ´1 iPCLK 0 PCLK 1 Standby CPOL Vthstby RXEN Glitch Suppression Control B0177-02 B0177-02 2 Submit Documentation Feedback SN65LVDS306 SN65LVDS306 www.ti.com SLLS765B SLLS765B SEPTEMBER 2006 REVISED FEBRUARY 2007 PINOUT TOP VIEW ZQE PACKAGE (TOP VIEW) 4 5 6 7 8 9 R 4/B 3 R 2/B 5 R 0/B 7 G 6/G 1 G 4/G 3 G 2/G 5 GND R 3/B 4 R 1/B 6 G 7/G 0 G 5/G 2 G 3/G 4 G 1/G 6 G 0/G 7 VDD GND VDD GND B 7/R 0 B 6/R 1 GND GND GND GND VDD B 5 /R 2 B 4 /R 3 GNDPLLD GND GND GND GND VDD B 3/R 4 B 2/R 5 NC VDDPLLD GND GND GND GND VDD B 1/R 6 B 0/R 7 NC GNDLVDS GND GND GND GND VDD F/S PCLK CPOL VDDLVDS VDDPLLA GNDPLLA VDDLVDS GNDLVDS GND VS HS GNDLVDS SWAP CLK+ CLK D+ D RXEN DE CPE 1 2 GND R 6/B 1 R 7/B 0 R 5/B 2 GND VDD NC GND NC 3 A B C D E F G H J RGB Output pin assignment based on SWAP pin setting: SWAP = 0 / SWAP = 1 P0049-04 P0049-04 Submit Documentation Feedback 3 SN65LVDS306 SN65LVDS306 www.ti.com SLLS765B SLLS765B SEPTEMBER 2006 REVISED FEBRUARY 2007 PINOUT TOP VIEW (continued) SWAP PIN FUNCTIONALITY The SWAP pin allows the pcb designer to reverse the RGB bus, minimizing potential signal crossovers due to signal routing. The two drawings beneath show the RGB signal pin assignment based on the SWAP-pin setting. SN65LVDS306 SN65LVDS306 (Top View) 1 2 3 SN65LVDS306 SN65LVDS306 (Top View) 4 5 6 7 8 9 1 A 2 3 4 5 6 7 8 A R6 R4 R2 R0 G6 G4 G2 B1 R5 R3 R1 G7 G5 G3 G1 G0 B7 B6 B5 B4 B3 B2 B1 B0 B B3 B5 B7 G1 G3 G5 B2 B4 B6 G0 G2 G4 G6 G7 R0 R1 R2 R3 R4 R5 R6 R7 B R7 C B0 C D D E E F F G G PCLK H PCLK H VS HS J VS HS J DE DE P0049-06 P0049-06 P0049-05 P0049-05 Figure 1. Pinout With SWAP PIN = GND 4 9 Submit Documentation Feedback Figure 2. Pinout With SWAP PIN = VDD SN65LVDS306 SN65LVDS306 www.ti.com SLLS765B SLLS765B SEPTEMBER 2006 REVISED FEBRUARY 2007 PINOUT TOP VIEW (continued) Table 1. Pin Description PIN SWAP SIGNAL PIN A1 GND C1 L R6 C2 H B1 C3 A2 A3 A4 A5 A6 A7 A8 A9 B1 B2 B3 B4 B5 B6 B7 B8 B9 SWAP . SIGNAL PIN SWAP GND F1 NC VDD F2 VDDPLLD F3 GND Unpopulated SIGNAL L R4 C4 VDD F4 GND H B3 C5 GND F5 GND L R2 C6 VDD F6 GND H B5 C7 GND F7 VDD L R0 L B7 H B7 H R0 L G6 L B6 H G1 H R1 H R7 L G4 D1 NC G1 NC H G3 D2 GND G2 GNDLVDS C8 C9 F8 F9 L B1 H R6 L B0 L G2 D3 GND G3 GND H G5 D4 GND G4 GND GND D5 GND G5 GND L R7 D6 GND G6 GND H B0 D7 VDD G7 VDD L R5 L B5 G8 F/S H B2 H R2 G9 PCLK L R3 H B4 L R1 H L H D8 L B4 H1 CPOL H R3 H2 VDDLVDS E1 NC H3 VDDPLLA B6 E2 GNDPLLD H4 GNDPLLA G7 E3 GND H5 VDDLVDS G0 E4 GND H6 GNDLVDS GND D9 L G5 E5 GND H7 H G2 E6 GND H8 VS L G3 E7 VDD H9 HS H G4 L B3 J1 GNDLVDS H R4 J2 SWAP L B2 J3 CLK+ H R5 J4 CLK J5 D+ J6 D J7 RXEN J8 DE J9 CPE L G1 H G6 L G0 H E8 G7 E9 Submit Documentation Feedback 5 SN65LVDS306 SN65LVDS306 www.ti.com SLLS765B SLLS765B SEPTEMBER 2006 REVISED FEBRUARY 2007 Table 2. TERMINAL FUNCTIONS NAME D+, D CLK+, CLK I/O SubLVDS in DESCRIPTION SubLVDS data link (active during normal operation) SubLVDS input pixel clock; polarity is fixed. R0R7 Red-pixel data (8); pin assignment depends on SWAP pin setting. G0G7 Green-pixel data (8); pin assignment depends on SWAP pin setting. B0B7 HS Blue-pixel data (8); pin assignment depends on SWAP pin setting. CMOS out Horizontal sync VS Vertical sync DE Data enable PCLK Output pixel clock; rising or falling clock polarity is selected by control input CPOL. Disables the CMOS Drivers and Turns Off the PLL, putting device in shutdown mode 1 Receiver enabled 0 Receiver disabled (shutdown) Note: The RXEN input incorporates glitch suppression logic to avoid unwanted switching. The input must be pulled low for longer than 10 s continuously to force the receiver to enter shutdown. The input must be pulled high for at least 10 s continuously to activate the receiver. An input pulse shorter than 5 s is interpreted as a glitch and becomes ignored. At power up, the receiver is enabled immediately if RXEN = H and disabled if RXEN = L. RXEN Output clock polarity selection CPOL CMOS In 0 rising edge clocking 1 falling edge clocking Bus swap swaps the bus pins to allow device placement on top or bottom of PCB. See pinout drawing for pin assignments. SWAP 0 data output from R7.B0 1 data output from B0.R7 CMOS bus rise time select F/S CPE 1 fast-output rise time 0 slow-output rise time CMOS out Channel parity error This output indicates the detection of a parity error by generating an output high-pulse for half of a PCLK clock cycle; this allows counting parity errors with a simple counter. 0 no error high-pulse bit error detected VDD Supply voltage GND Supply ground VDDLVDS SubLVDS I/O supply voltage GNDLVDS VDDPLLA Power supply SubLVDS ground PLL analog supply voltage GNDPLLA PLL digital supply voltage GNDPLLD 6 PLL analog GND VDDPLLD PLL digital GND Submit Documentation Feedback SN65LVDS306 SN65LVDS306 www.ti.com SLLS765B SLLS765B SEPTEMBER 2006 REVISED FEBRUARY 2007 FUNCTIONAL DESCRIPTION Deserialization Mode The SN65LVDS306 SN65LVDS306 receives payload data over a single SubLVDS data pair, D. The PLL locks to the SubLVDS clock input and internally multiplies the clock by a factor of 30. The internal high-speed clock is used to shift in the data payload on D and to deserialize 30 bits of data. Figure 3 illustrates the timing and the mapping of the data payload into the 30-bit frame. The internal high-speed clock is divided by a factor of 30 to recreate the pixel clock, and the data payload with the pixel clock is presented on the output bus. The reserved bits and parity bit are not output. The PLL can lock to a clock that is in the range of 4 MHz through 15 MHz. CLK CLK+ D+/ res res CP R7 R6 R5 R4 R3 R2 R1 R0 G7 G6 G5 G4 G3 G2 G1 G0 B7 B6 B5 B4 B3 B2 B1 B0 VS HS DE res res CP R7 R6 T0161-02 T0161-02 Figure 3. Data and Clock Input POWER-DOWN MODES The SN65LVDS306 SN65LVDS306 receiver has two power-down modes to facilitate efficient power management. SHUTDOWN MODE A low input signal on the RXEN pin puts the SN65LVDS306 SN65LVDS306 into shutdown mode. This turns off most of the receiver circuitry including the SubLVDS receivers, PLL, and deserializers. The SubLVDS differential-input resistance remains 100 , and any input signal is ignored. All outputs hold a static output pattern: R[0:7] = G[0:7] = B[0:7] = VS = HS = high; DE = PCLK = low. The current draw in shutdown mode is nearly zero if the SubLVDS inputs are left open or pulled high. STANDBY MODE The SN65LVDS306 SN65LVDS306 enters the standby mode when the SN65LVDS306 SN65LVDS306 is not in shutdown mode but the SubLVDS clock-input common-mode voltage is above 0.9 × VDDLVDS. The CLK input incorporates a pullup circuit to shift the SubLVDS clock-input common-mode voltage to VDDLVDS in the absence of an input signal. All circuitry except the SubLVDS clock-input standby monitor is shut down. The SN65LVDS306 SN65LVDS306 also enters the standby mode when the input clock frequency on the CLK input is less than 500 kHz. The SubLVDS input resistance remains 100 , and any input signal on the data inputs D+ and D is ignored. All outputs will hold a static output pattern: R[0:7] = G[0:7] = B[0:7] = VS = HS = high; DE = PCLK = low. The current drawn in standby mode is very low. ACTIVE MODE A high input signal on RXEN combined with a CLK input signal switching faster than 3 MHz and VICM smaller than 1.3 V forces the SN65LVDS306 SN65LVDS306 into the active mode. Current consumption in the active mode depends on operating frequency and the number of data transitions in the data payload. CLK-input frequencies between 3 MHz and 4 MHz activate the device, but proper PLL functionality is not assured. It is not recommended to operate the SN65LVDS306 SN65LVDS306 in active mode at CLK frequencies below 4 MHz. ACQUIRE MODE (PLL Approaches Lock) When the SN65LVDS306 SN65LVDS306 is enabled and a SubLVDS clock input present, the PLL pursues lock to the input clock. While the PLL pursues lock, the output data bus holds a static output pattern: R[0:7] = G[0:7] = B[0:7] = VS = HS = high; DE = PCLK = low. Submit Documentation Feedback 7 SN65LVDS306 SN65LVDS306 www.ti.com SLLS765B SLLS765B SEPTEMBER 2006 REVISED FEBRUARY 2007 FUNCTIONAL DESCRIPTION (continued) For proper device operation, the pixel clock frequency must fall within the valid fPCLK range specified under recommended operating conditions. If the pixel clock frequency is higher than 3 MHz but lower than 4 MHz, the SN65LVDS306 SN65LVDS306 PLL is enabled. Under such conditions, it is possible for the PLL to lock temporarily to the pixel clock, causing the PLL monitor to release the device into active receive mode. If this happens, the PLL may or may not be properly locked to the pixel clock input, potentially causing data errors, frequency oscillation, and PLL deadlock (loss of VCO oscillation). RECEIVE MODE After the PLL achieves lock the device enters the normal receive mode. The output data bus presents the deserialized data. The PCLK output pin outputs the recovered pixel clock. PARITY ERROR DETECTION AND HANDLING The SN65LVDS306 SN65LVDS306 receiver performs error checking on the basis of a parity bit that is transmitted across the SubLVDS interface from the transmitting device. Once the SN65LVDS306 SN65LVDS306 detects the presence of the clock and the PLL has locked onto PCLK, then the parity is checked. Parity-error detection ensures detection of all single-bit errors in one pixel and 50% of all multibit errors. The parity bit covers the 27-bit data payload consisting of 24 bits of pixel data plus VS, HS, and DE. Odd-parity bit signalling is used. The parity error is output on the CPE pin. If the sum of the 27 data bits and the parity bit result in an odd number, the receive data are assumed to be valid. The CPE output is held low. If the sum equals an even number, parity error is declared. The CPE output indicates high for half a PCLK period. The CPE output is set with the data bit transition and cleared after 1/2 the data-bit time. This allows counting every detected parity error with a simple counter connected to CPE. If a parity error is detected, then the data on that PCLK cycle is not output. Instead, the last valid data from a previous PCLK cycle is repeated on the output bus. This is to prevent any bit error that occurs on the LVDS link from causing perturbations in VS, HS, or DE that might be visually disruptive to a display. The reserved bits are not covered in the parity calculations. A parity error is indicated by a high pulse on CPE; the width of the pulse is 1/2 the length of a PCLK cycle. CPE R[0:7], G[0:7], B[0:7], HS, VS, DE PCLK (CPOL = 0) When a parity error is detected, the receiver outputs the previous pixel on the bus. Hence, no data transitions occur. T0163-01 T0163-01 Figure 4. Parity Error Detection 8 Submit Documentation Feedback SN65LVDS306 SN65LVDS306 www.ti.com SLLS765B SLLS765B SEPTEMBER 2006 REVISED FEBRUARY 2007 FUNCTIONAL DESCRIPTION (continued) STATUS-DETECT AND OPERATING-MODES FLOW DIAGRAM The SN65LVDS306 SN65LVDS306 switches between the power saving and active modes in the following way: Power Up RXEN = 1 CLK Input Inactive RXEN Low for > 10 ms Power Up RXEN = 0 Shutdown Mode Standby Mode RXEN High for > 10 ms VICM(CLK) > 0.9 VDDLVDS RXEN Low for > 10 ms VICM(CLK) > 0.9 VDDLVDS or fCLK < 500 kHz CLK Input Active Power Up RXEN = 1 CLK Active RXEN Low for > 10 ms Receive Mode PLL Achieved Lock Acquire Mode F0017-01 F0017-01 Table 3. Status Detect and Operating Modes Descriptions MODE CHARACTERISTICS CONDITIONS RXEN is set low for longer than 10 s. (1) (2) Shutdown mode Least amount of power consumption (most circuitry turned off); all outputs held static: R[0:7] = G[0:7] = B[0:7] = VS = HS = high; DE = PCLK = low Standby mode Low power consumption (standby monitor circuit active; PLL RXEN is high for longer than 10 s and CLK inputs are is shutdown to conserve power); common-mode, VICM(CLK) is above 0.9 × VDDLVDS, or CLK All outputs held static: inputs are floating (2) R[0:7] = G[0:7] = B[0:7] = VS = HS = high; DE = PCLK = low Acquire mode PLL pursues lock; all outputs held static: R[0:7] = G[0:7] = B[0:7] = VS = HS = high; DE = PCLK = low RXEN is high; CLK input monitor detected clock input common mode and woke up receiver from standby mode. Receive mode Data transfer (normal operation); receiver deserializes data and provides data on parallel output RXEN is high and PLL is locked to incoming clock. (1) (2) In shutdown mode, all SN65LVDS306 SN65LVDS306 internal switching circuits (e.g., PLL, serializer, etc.) are turned off to minimize power consumption. The input stage of any input pin remains active. Leaving CMOS control inputs unconnected can cause random noise to toggle the input stage and potentially harm the device. All CMOS inputs must be tied to a valid logic level, VIL or VIH, during shutdown or standby Mode. Exceptions are the SubLVDS inputs CLK and D, which can be left unconnected while not in use. Submit Documentation Feedback 9 SN65LVDS306 SN65LVDS306 www.ti.com SLLS765B SLLS765B SEPTEMBER 2006 REVISED FEBRUARY 2007 Table 4. Operating Mode Transitions MODE TRANSITION USE CASE TRANSITION SPECIFICS Shutdown standby Drive RXEN high to enable receiver. 1. RXEN high > 10 s 2. Receiver enters standby mode. a. R[0:7] = G[0:7] = B[0:7] = VS = HS remain high and DE = PCLK low b. Receiver activates clock input monitor. Standby acquire Transmitter activity detected 1. CLK input monitor detects clock input activity. 2. Outputs remain static. 3. PLL circuit is enabled. Acquire receive Link is ready to receive data. 1. PLL is active and approaches lock. 2. PLL achieves lock within twakeup. 3. Input D becomes active. 4. First data word is recovered. 5. Parallel output bus turns on switching from a static output pattern to output the first valid data word. Receive standby Transmitter requested to enter standby mode by input common mode voltage VICM > 0.9 VDDLVDS (e.g., transmitter output clock stops or enters high-impedance state) Turn off receiver. Receive/standby shutdown 1. Receiver disables outputs within tsleep. 1. RXEN pulled low for > tpwrdn. 2. RX Input monitor detects VICM > 0.9 VDDLVDS within tsleep. 3. R[0:7] = G[0:7] = B[0:7] = VS = HS transition to high and DE = PCLK to low on next falling PLL clock edge 4. PLL shuts down. Clock activity input monitor remains active. 2. R[0:7] = G[0:7] = B[0:7] = VS = HS remain static high or transition to static high and DE = PCLK remain static low or transition to static low. 3. Most IC circuitry is shut down for least power consumption. ABSOLUTE MAXIMUM RATINGS (1) VALUE Voltage range at any input When VDDx > 0 V or output terminal When VDDx 0 V Charged-device 0.5 to 2.175 model (4) ±4 ±1500 (all pins) ±200 Machine model (5) (all pins) Continuous power dissipation (2) (3) (4) (5) ±5 kV V mA Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions is not implied. Exposure to absolute maximum-rated conditions for extended periods may affect device reliability. All voltage values are with respect to the GND terminals. In accordance with JEDEC Standard 22, Test Method A114-B A114-B In accordance with JEDEC Standard 22, Test Method C101 In accordance with JEDEC Standard 22, Test Method A115-A A115-A DISSIPATION RATINGS PACKAGE (1) (2) CIRCUIT BOARD MODEL TA < 25°C DERATING FACTOR (1) ABOVE TA = 25°C TA = 85°C POWER RATING ZQE 10 V See Dissipation Ratings Table Ouput current, IO (1) V 0.5 to VDD + 2.175 Human body model (3) (all pins) Electrostatic discharge UNIT 0.3 to 2.175 Supply voltage range, VDD (2), VDDPLLA, VDDPLLD, VDDLVDS Low-K (2) 592 mW 7.407 mW/°C 148 mW This is the inverse of the junction-to-ambient thermal resistance when board-mounted and with no air flow. In accordance with the low-K thermal metric definitions of EIA/JESD51-2 EIA/JESD51-2. Submit Documentation Feedback SN65LVDS306 SN65LVDS306 www.ti.com SLLS765B SLLS765B SEPTEMBER 2006 REVISED FEBRUARY 2007 DEVICE POWER DISSIPATION PARAMETER Device power dissipation PD TEST CONDITIONS TYP VDDx = 1.8 V, TA = 25°C, all outputs terminated with 10 pF, fCLK at 4 MHz MAX 16.8 VDDx = 1.95 V, TA = 40°C, all outputs terminated with 10 pF, fCLK at 15 MHz 48.8 UNIT mW RECOMMENDED OPERATING CONDITIONS (1) MIN Supply voltage noise magnitude MAX UNIT 1.65 1.8 1.95 V Test set-up shown in Figure 6; fCLK 50MHz; f(noise) = 1Hz to 2 GHz 100 mV 100 Supply voltages VDDn(PP) TYP fCLK > 50MHz; f(noise) = 1Hz to 1MHz VDD VDDPLLA VDDPLLD VDDLVDS fCLK > 50 MHz; f(noise) > 1MHz TA Operating free-air temperature 40 85 40 °C CLK+ and CLK fCLK± Input pixel clock frequency tDUTCLK See Figure 3 15 MHz 500 kHz 35 65 % |VD+ VD|, |VCLK+ VCLK| during normal operation 70 200 mV Receive or acquire mode 0.6 1.2 CLK input duty cycle 4 Standby mode (2), see Figure 15 D+, D, CLK+, and CLK |VID| Magnitude of differential input voltage VICM Input voltage common mode range VICM Input voltage common mode variation among all SubLVDS inputs VICM(n) VICM(m) with n = D or CLK and m = D or CLK VID Differential input voltage amplitude variation among all SubLVDS inputs VID(n) VID(m) with n = D or CLK and m = D or CLK tr/f Input rise and fall time RXEN at VDD; see Figure 9 tr/f Input rise or fall time mismatch among all SubLVDS inputs tr(n) tr(m) and tf(n) tf(m) with n = D or CLK and m = D or CLK Standby mode 0.9 VDDLVDS V 100 100 mV 10 10 % 800 ps 100 100 ps 0.7 VDD VDD V 0 0.3 VDD CPOL, SWAP, RXEN, F/S VICMOSH High-level input voltage VICMOSL Low-level input voltage tinRXEN RXEN input pulse duration V s 10 R[7:0], G[7:0], B[7:0], VS, HS, PCLK, CPE CL (1) (2) Output load capacitance 10 pF Unused single-ended inputs must be held high or low to prevent them from floating. PCLK input frequencies lower than 500 kHz force the SN65LVDS306 SN65LVDS306 into standby mode. Input frequencies between 500 kHz and 3 MHz may or may not activate the SN65LVDS306 SN65LVDS306. Input frequencies beyond 3 MHz activate the SN65LVDS306 SN65LVDS306. Input frequencies between 500 kHz and 4 MHz are not recommended, and can cause PLL malfunction. Submit Documentation Feedback 11 SN65LVDS306 SN65LVDS306 www.ti.com SLLS765B SLLS765B SEPTEMBER 2006 REVISED FEBRUARY 2007 DEVICE ELECTRICAL CHARACTERISTICS over recommended operating conditions (unless otherwise noted) PARAMETER Alternating 1010 test pattern (see Table 7); all CMOS outputs terminated with 10 pF; F/S and RXEN at VDD; VIH = VDD, VIL = 0 V; VDD = VDDPLLA = VDDPLLD = VDDLVDS IDD RMS supply current Typical power test pattern (see Table 6); VID = 70 mV, all CMOS outputs terminated with 10 pF; F/S at GND and RXEN at VDD; VIH = VDD, VIL = 0 V; VDD = VDDPLLA = VDDPLLD = VDDLVDS CLK and D inputs are left open; all control inputs held static high or low; All CMOS outputs terminated with 10 pF; VIH = VDD, VIL = 0 V; VDD = VDDPLLA = VDDPLLD = VDDLVDS (1) TYP (1) MAX fPCLK = 4 MHz 9.8 14 fPCLK = 6 MHz 11.7 15.9 fPCLK = 15 MHz 19.3 25 fPCLK = 4 MHz 4.7 TEST CONDITIONS MIN fPCLK = 6 MHz UNIT mA 6 fPCLK = 15 MHz 13.2 Standby mode; RXEN = VIH 15 100 Shutdown mode; RXEN = VIL 0.4 10 A All typical values are at 25°C and with 1.8-V supply, unless otherwise noted. INPUT ELECTRICAL CHARACTERISTICS over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP (1) MAX UNIT D+, D, CLK+, and CLK Vthstby VTHL Input voltage common mode threshold to RXEN at VDD switch between receive/acquire mode and standby mode Low-level differential input voltage threshold 1.3 0.9 VDDLVDS V 40 mV VD+ VD, VCLK+ VCLK VTHH High-level differential input voltage threshold II+, II Input leakage current VDD = 1.95 V; VI+ = VI; VI = 0.4 V and VI = 1.5 V IIOFF Power-off input current VDD = GND; VI = 1.5 V RID Differential input termination resistor value CIN Input capacitance Measured between input terminal and GND CIN Input capacitance variation Within one signal pair Between all signals 40 75 A 75 78 RBBDC Pullup resistor for standby detection mV 100 A 122 1 pF 0.2 1 21 30 pF 39 k CPOL, SWAP, RXEN, F/S VIK Input clamp voltage IICMOS Input current (2) II = 18 mA, VDD = VDD(min) 1.2 V 0 V VDD 1.95 V; VI = GND or VI = 1.95 V 100 nA CIN Input capacitance IIH High-level input current VIN = 0.7 VDD 200 200 IIL Low-level input current VIN = 0.3 VDD 200 200 VIH High-level input voltage 0.7 VDD VDD VIL Low-level input voltage 0 0.3 VDD (1) (2) 12 2 pF nA V All typical values are at 25°C and with 1.8-V supply unless otherwise noted. Do not leave any CMOS input unconnected or floating to minimize leakage currents. Every input must be connected to a valid logic level, VIH or VOL, while power is supplied to VDD. Submit Documentation Feedback SN65LVDS306 SN65LVDS306 www.ti.com SLLS765B SLLS765B SEPTEMBER 2006 REVISED FEBRUARY 2007 OUTPUT ELECTRICAL CHARACTERISTICS over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT 0.8 VDD VDD V 0 0.2 VDD V R[0:7], G[0:7], B[0:7], VS, HS, PCLK, CPE VOH VOL Low-level output current IOH F/S = L, IOH = 250 A High-level output current High-level output current F/S = H, IOH = 500 A F/S = L, IOL = 250 A F/S = H, IOL = 500 A 250 F/S = H IOL F/S = L 500 A F/S = L 250 F/S = H Low-level output current 500 A SWITCHING CHARACTERISTICS over recommended operating conditions (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP (1) MAX UNIT 800 ps 100 100 ps F/S = L 8 16 F/S = H 4 8 D+, D, CLK+, and CLK tr/f Input rise and fall times RXEN at VDD; see Figure 9 tr/f Input rise or fall time mismatch between all SubLVDS inputs tR(n) tR(m) and tF(n) tF(m) with n = D or CLK and m = D or CLK R[7:0], G[7:0], B[7:0], VS, HS, PCLK, CPE tr/f Rise and fall time 20% 80% of VDD (2) tOUTP PCLK output duty cycle tOSK Output skew between PCLK and R[0:7], G[0:7], B0:7], HS, VS, and DE CL = 10 pF (3); see Figure 8 45% 50% ns 55% See Figure 8. 500 500 ps 2.5/fPCLK s 3.8 s INPUT TO OUTPUT RESPONSE TIME tPD(L) Propagation delay time from CLK+ input to PCLK output RXEN at VDD, VIH = VDD, VIL = GND, CL = 10 pF, see Figure 13 tGS RXEN glitch suppression pulse width (4) VIH = VDD, VIL = GND, RXEN toggles between VIL and VIH; see Figure 14 and Figure 15. tpwrup Enable time from power down (RXEN) Time from RXEN pulled high to data outputs enabled and transmit valid data; see Figure 15. 2 ms tpwrdn Disable time from active mode (RXEN) RXEN is pulled low during receive mode; time measurement until all outputs held static: R[0:7] = G[0:7] = B[0:7] = VS = HS = high, DE = PCLK = low and PLL is shut down; see Figure 15. 11 s twakeup Enable time from standby (CLK) RXEN at VDD; device is in standby; time measurement from CLK input starts switching to PCLK and data outputs enabled and transmit valid data; see Figure 16. 2 ms Disable time from active mode (CLK transitions to high-impedance) RXEN at VDD; device is receiving data; time measurement from CLK input signal stops (input open or input common mode VICM exceeds threshold voltage Vthstby) until all outputs held static: R[0:7] = G[0:7] = B[0:7] = VS = HS = high; DE = PCLK = low and PLL is shut down; see Figure 16. 3 s tsleep (1) (2) (3) (4) 1.4/fPCLK 1.9/fPCLK All typical values are at 25°C and with 1.8-V supply, unless otherwise noted. tR/F depends on the F/S setting and the capacitive load connected to each output. Some application information of how to calculate tR/F based on the output load and how to estimate the timing budget to interconnect to an LCD driver are provided in the application section near the end of this data sheet. The output rise and fall times are optimized for an output load of 10 pF. The rise and fall times can be adjusted by changing the output load capacitance. The RXEN input incorporates glitch-suppression logic to disregard short input pulses. tGS is the duration of either a high-to-low or low-to-high transition that is suppressed. Submit Documentation Feedback 13 SN65LVDS306 SN65LVDS306 www.ti.com SLLS765B SLLS765B SEPTEMBER 2006 REVISED FEBRUARY 2007 SWITCHING CHARACTERISTICS (continued) over recommended operating conditions (unless otherwise noted) PARAMETER (5) TEST CONDITIONS MAX 0.087 fPCLK UNIT MHz When using the SN65LVDS306 SN65LVDS306 receiver in conjunction with the SN65LVDS305 SN65LVDS305 transmitter in one link, the PLL bandwidth of the SN65LVDS306 SN65LVDS306 receiver always exceeds the bandwidth of the SN65LVDS305 SN65LVDS305 transmit PLL. This ensures stable PLL tracking under all operating conditions and maximizes the receiver skew margin. 12 10.0 11 9.5 RX PLL BW 10 9 PLL Bandwidth % PLL BW [% of PCLK Frequency] TYP (1) MIN PLL bandwidth (5) fBW 9% 8.5% 8.2% 8 7.7% 7 6 4 MHz 9% 9.0 8.5 Spec Limit 8.0 15 MHz 8.1 % TX PLL BW 7.5 5 7.0 4 0 100 200 300 0 400 5 PLL Frequency - MHz 10 15 20 PCLK Frequency MHz G001 Figure 5. SN65LVDS306 SN65LVDS306 PLL Bandwidth (Also Showing the SN65LVDS305 SN65LVDS305 PLL Bandwidth) TIMING CHARACTERISTICS PARAMETER tRSKMx (1) (2) (1) (2) (3) (4) (5) 14 Receiver input skew margin; see (3) and Figure 30 TEST CONDITIONS 1ChM: x = 0.29, fPCLK = 15 MHz; RXEN at VDD, VIH = VDD, VIL = GND, RL = 100 , test setup as in Figure 7, test pattern as in Table 9 fCLK = 15 MHz (4) fCLK = 4 MHz to 15 MHz (5) MIN MAX UNIT 630 1 - 480 ps 2 · 30 · fCLK ps Receiver input skew margin (tRSKM) is the timing margin available for transmitter output pulse position (tPPOS), interconnect skew, and interconnect inter-symbol interference. tRSKM represents the remainder of the serial bit time not taken up by the receiver strobe uncertainty. tRSKM assumes a bit error rate better than 1012. tRSKM is inversely proportional to the internal setup and hold time uncertainty, ISI and duty cycle distortion from the front end receiver, the skew missmatch between CLK and data D, as well as the PLL cycle-to-cycle jitter. This includes the receiver internal setup and hold time uncertainty, all PLL related high-frequency random and deterministic jitter components that impact the jitter budget, ISI and duty cycle distortion from the front-end receiver, and the skew between CLK and data D; the pulse position minimum/maximum variation is given with a bit error rate target of 1012; measurements of the total jitter are taken over >1012 samples. The minimum and maximum limits are based on statistical analysis of the device performance over process, voltage, and temperature ranges. These minimum and maximum limits are simulated only. Submit Documentation Feedback SN65LVDS306 SN65LVDS306 www.ti.com SLLS765B SLLS765B SEPTEMBER 2006 REVISED FEBRUARY 2007 PARAMETER MEASUREMENT INFORMATION 1 1 Noise Generator 100 mV VDDPLLA 2 SN65LVDS306 SN65LVDS306 VDDPLLD VDD 10 mF VDDLVDS GND 1.8-V Supply Note: The generator regulates the noise amplitude at point 1 to the target amplitude given under the table Recommended Operating Conditions S0216-02 S0216-02 Figure 6. Power-Supply Noise Test Setup To measure tRSKM CLK is advanced or delayed with respect to data until errors are observed at the receiver outputs. The advance or delay is then reduced until there are no data errors observed over 10 tRSKM Programmable Delay CLK and Data Pattern Generator 12 serial bit times. The magnitude of the advance or delay CLK DUT: SN65LVDS306 SN65LVDS306 D Bit Error Detector Ideal Receiver Strobe Position tPG_ERROR tRSKM(p) C tRSKM(n) tbit tRSKM is the smaller of the two measured values tRSKM(p) and tRSKM(n) tPG_ERROR Test equipment (pattern generator) intrinsic output pulse position timing uncertainty tbit serial bit time C LVDS306 LVDS306 set-up and hold-time uncertainty Note: C can be derived by subtracting the receiver skew margin tRSKM(p) + tRSKM(p) from one serial bit time T0164-02 T0164-02 Figure 7. Receiver Jitter-Budget Test Setup Submit Documentation Feedback 15 SN65LVDS306 SN65LVDS306 www.ti.com SLLS765B SLLS765B SEPTEMBER 2006 REVISED FEBRUARY 2007 PARAMETER MEASUREMENT INFORMATION (continued) tF t setup 80% (VOH -V OL ) R[7:0], G[7:0], B[7:0], HS, VS, DE 20% (VOH -V OL ) t hold t OSK tR VOH 80% (VOH -V OL ) PCLK 50% (VOH VOL) - (CPOL=0) 20% (VOH -VOL ) VOL tR tF Note: The Set-up and Hold-time of CMOS outputs R[7:0], G[7:0], B[7:0], HS, VS, and DE in relation to PCLK can be calulated by: 1 tS&H = 2 -rPCLK -tREF - tOSK - DtDUTP Figure 8. Output Rise/Fall, Setup/Hold Time VD+ VD , VCLK+ VCLK tf 80%(VID) 100%(VIC) tr 0V 20%(VID) 0%(VID) T0167-01 T0167-01 Figure 9. SubLVDS Differential Input Rise and Fall Time Defintion CLK+, D+ VDDLVDS RID/2 RBBDC Gain Stage RID/2 CLK, D Standby Detection Line End Termination ESD S0224-01 S0224-01 Figure 10. Equivalent Input Circuit Design 16 Submit Documentation Feedback SN65LVDS306 SN65LVDS306 www.ti.com SLLS765B SLLS765B SEPTEMBER 2006 REVISED FEBRUARY 2007 PARAMETER MEASUREMENT INFORMATION (continued) IICMOS SWAP, CPOL, RXEN, F/S CMOS Input (VI+ + VI)/2 II+ VICMOS CLK+, D+ VID RGB, VS, HS, CPE PCLK IO II CLK, D VICM VI+ VO VI SubLVDS Input CMOS Output S0217-02 S0217-02 Figure 11. I/O Voltage and Current Definition RGB, VS, HS, CPE, PCLK VO SN65LVDS306 SN65LVDS306 CL=10 pF S0218-02 S0218-02 Figure 12. CMOS Output Test Circuit, Signal, and Timing Definition Submit Documentation Feedback 17 SN65LVDS306 SN65LVDS306 www.ti.com SLLS765B SLLS765B SEPTEMBER 2006 REVISED FEBRUARY 2007 PARAMETER MEASUREMENT INFORMATION (continued) R7(n2) D+ Pixel(n) Pixel(n1) R7(n1) R R6 R R4 7 5 Pixel(n+1) R7(n) R7(n+1) CP R7 CP R7 CLK CLK+ tPD(L) VDD/2 PCLK (CPOL = 0) Pixel(n1) CMOS Data Out R7 R7(n3) R7(n1) R6 R6(n3) R6(n1) T0168-01 T0168-01 Figure 13. Propagation Delay, Input to Output V DD /2 RXEN t GS CLK t PLL VCO Internal Signal PLL Approaches Lock t pwrup PCLK R[7:0], G[7:0], B[7:0], VS, HS DE Figure 14. Receiver Phase-Locked Loop Set TIme and Receiver Enable Time 18 Submit Documentation Feedback SN65LVDS306 SN65LVDS306 www.ti.com SLLS765B SLLS765B SEPTEMBER 2006 REVISED FEBRUARY 2007 PARAMETER MEASUREMENT INFORMATION (continued) f (BWRX); of total jitter above the receiver PLL bandwidth ; TJ TXPLL TJ=RJ[ps-rms]*14 + DJ[ps] t TXskew transmitter output skew (skew between CLK and data) : t TXIDJTransmitter Deterministic JItter of TX output stage (includes TX RSPosn (max) RSPosn (min) SKEW XTALK RSPosn: Receiver input strobe position (min and max) RSPosn(max) - RSPosn(min) = SkewRX + S&HRX + TJ (RXPLL(non-trackable) PCB : PCB induced Skew (trace + connector); : PCB induced cross-talk; PCB ISI PCB Inter-symbol interference of PCB; is : dependent on interconnect frequency loss; may be zero for short interconnects. Skew RX: Receiver input skew (skew between CLK and Dx input) S&H RX: Receiver input latch Sample & Hold uncertainty TJ (RXPLL(non-trackable) : Intrinsic RX PLL jitter above RX PLL bandwidth; PLL TJ > f(BW RX ); TJ=RJ[ps-rms]*14 + DJ[ps] Intersymbol Interference ISI) T0165-02 T0165-02 Figure 30. Jitter Budget F/S-PIN SETTING AND CONNECTING THE SN65LVDS306 SN65LVDS306 TO AN LCD DRIVER NOTE: Receiver PLL tracking: To maximize the design margin for the interconnect, good RX PLL tracking of the TX PLL is important. FlatLink3G requires the RX PLL to have a bandwidth higher than the bandwidth of the TX PLL. The SN65LVDS306 SN65LVDS306 PLL design is optimized to track the SN65LVDS305 SN65LVDS305 PLL particularly well, thus providing a very large receiver skew margin. A FlatLink3G-compliant link must provide at least ±225 ppm of receiver skew margin for the interconnect. It is important to understand the tradeoff between power consumption, EMI, and maximum speed when selecting the F/S signal. It is beneficial to choose the slowest rise time possible to minimize EMI and power consumption. Unfortunately a slower rise time also reduces the timing margin left for the LCD driver. Hence, it is necessary to calculate the timing margin to select the correct F/S pin setting. Submit Documentation Feedback 27 SN65LVDS306 SN65LVDS306 www.ti.com SLLS765B SLLS765B SEPTEMBER 2006 REVISED FEBRUARY 2007 The output rise time depends on the output driver strength and the output load. An LCD driver typical capacitive load is assumed with ~10 pF. The higher the capacitive load, the slower is the rise time. Rise time of the SN65LVDS306 SN65LVDS306 is measured as the time duration it takes the output voltage to rise from 20% of VDD to 80% of VDD, and fall time is defined as the time for the output voltage to transition from 80% of VDD down to 20% of VDD. Within one mode of operation and one F/S pin setting, the rise time of the output stage is fixed and does not adjust to the pixel frequency. Due to the short bit time at very fast pixel clock speeds and the real capacitive load of the display driver, the output amplitude might not reach VDD and GND saturation fully. To ensure sufficient signal swing and verify the design margin, it becomes necessary to determine that the output amplitude under any circumstance reaches the display driver's input stage logic threshold (usually 30% and 70% of VDD). HOW TO DETERMINE THE LCD DRIVER TIMING MARGIN To determine the timing margin, it is necessary to specify the frequency of operation, identify the setup and hold times of the LCD driver, and specify the output load of the SN65LVDS306 SN65LVDS306 as a combination of the LCD driver input parasitics plus any capacitance caused by the connecting PCB trace. Furthermore, the setting of pin F/S and the SN65LVDS306 SN65LVDS306 output skew impact the margin. The total remaining design margin calculates as follows: t rise(max) C LOAD 1 t DM + * t DUTP(max_error) * * t OSK 2 PCLK 10 pF (2) where: tDM Design margin fPCLK Pixel clock frequency tDUTP(max_error) maximum duty cycle error trise(max) maximum rise or fall time; see tR/F under switching characteristics CL parasitic capacitance (sum of LCD driver input parasitics + connecting PCB trace) tskew clock to data output skew SN65LVDS306 SN65LVDS306 Example: At a pixel clock frequeny of 5.5MHz (QVGA), and an assumed LCD driver load of 15 pF, the remaining timing margin is: t (max) * 50 t DUTP(max_error) + DUTP 100% t DM + 2 1 * 9ns * 5.5MHz t PCLK + 5% 100% 16ns (FS+GND) 10pF 1 + 9.1ns 5.5MHz 15pF * 500ps + 57.3ns As long as the setup and hold times of the LCD driver are each less than 57 ns, the timing budget is met sufficiently. 28 Submit Documentation Feedback PACKAGE OPTION ADDENDUM www.ti.com 16-Feb-2007 PACKAGING INFORMATION Orderable Device Status (1) SN65LVDS306ZQER SN65LVDS306ZQER ACTIVE Package Type BGA MI CROSTA R JUNI OR Package Drawing ZQE Pins Package Eco Plan (2) Qty 80 2500 Green (RoHS & no Sb/Br) Lead/Ball Finish SNAGCU MSL Peak Temp (3) Level-3-260C-168 HR (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been defined. Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above. Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material) (3) MSL, Peak Temp. - The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature. Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. 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Addendum-Page 1 PACKAGE MATERIALS INFORMATION www.ti.com 3-Jul-2008 TAPE AND REEL INFORMATION *All dimensions are nominal Device SN65LVDS306ZQER SN65LVDS306ZQER Package Package Pins Type Drawing BGA MI CROSTA R JUNI OR ZQE 80 SPQ Reel Reel Diameter Width (mm) W1 (mm) 2500 330.0 12.4 Pack Materials-Page 1 A0 (mm) B0 (mm) K0 (mm) P1 (mm) 5.3 5.3 1.5 8.0 W Pin1 (mm) Quadrant 12.0 Q1 PACKAGE MATERIALS INFORMATION www.ti.com 3-Jul-2008 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) SN65LVDS306ZQER SN65LVDS306ZQER BGA MICROSTAR JUNIOR ZQE 80 2500 340.5 333.0 20.6 Pack Materials-Page 2 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. 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