3.3V CMOS 16-BIT TRANSCEIVER WITH VOLT TOLERANT BUS-HOLD Typical
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IDT74LVCH162245A 3.3V CMOS 16-BIT TRANSCEIVER WITH TOLERANT
3.3V CMOS 16-BIT TRANSCEIVER WITH VOLT TOLERANT BUS-HOLD
Typical tSK(o) (Output Skew) 250ps 2000V MIL-STD-883, Method 3015; 200V using machine model 200pF, 3.3V 0.3V, Normal Range 2.7V 3.6V, Extended Range CMOS power levels (0.4µ typ. static) inputs, outputs, tolerant Available SSOP, TSSOP, TVSOP packages
IDT74LVCH162245A
FEATURES:
DESCRIPTION:
DRIVE FEATURES: APPLICATIONS:
Balanced Output Drivers: ±12mA port) High Output Drivers: ±24mA port)
3.3V mixed voltage systems Data communication telecommunication systems
This 16-bit transceiver built using advanced dual metal CMOS technology. This high-speed, power transceiver ideal asynchronous communication between busses Direction Output Enable controls designed operate this device either independent 8-bit transceivers 16-bit transceiver. direction control (DIR) controls direction data flow. output enable (OE) overrides direction control disables both ports. inputs designed with hysteresis improved noise margin. pins driven from either 3.3V devices. This feature allows this device translator mixed 3.3V/5V supply system. LVCH162245A port) been designed with ±24mA output driver. This driver capable driving moderate heavy load while maintaining speed performance. LVCH162245 port) series resistors device output structure which will significantly reduce line noise when used with light loads. driver been designed drive ±12mA designated threshold levels. LVCH162245A "bus-hold" which retains inputs' last state whenever input goes high impedance. This prevents floating inputs eliminates need pull-up/down resistors.
FUNCTIONAL BLOCK DIAGRAM
1DIR
2DIR
logo registered trademark Integrated Device Technology, Inc.
1999 Integrated Device Technology, Inc.
MARCH 1999
DSC-4597/1
IDT74LVCH162245A 3.3V CMOS 16-BIT TRANSCEIVER WITH TOLERANT
CONFIGURATION
ABSOLUTE MAXIMUM RATINGS(1)
Symbol Description VTERM Terminal Voltage with Respect Storage Temperature Output Current Continuous Clamp Current, Continuous Current through each -0.5 +6.5 +150 ±100 TSTG IOUT
Unit
1DIR
NOTE: Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS cause permanent damage device. This stress rating only functional operation device these other conditions above those indicated operational sections this specification implied. Exposure absolute maximum rating conditions extended periods affect reliability.
CAPACITANCE +25°C, 1.0MHz)
Symbol COUT CI/O Parameter(1) Input Capacitance Output Capacitance Port Capacitance Conditions VOUT Typ. Max. Unit
NOTE: applicable device type.
DESCRIPTION
Names xDIR Description Output Enable Input (Active LOW) Direction Control Output Side Inputs 3-State Outputs(1) Side Inputs 3-State Outputs(1)
2DIR
NOTE: These pins have "Bus-Hold". other pins standard inputs, outputs, I/Os.
FUNCTION TABLE (EACH 8-BIT SECTION)(1)
Inputs xDIR Outputs Data Data High State
SSOP/ TSSOP/ TVSOP VIEW
NOTE: HIGH Voltage Level Don't Care Voltage Level High-Impedance
IDT74LVCH162245A 3.3V CMOS 16-BIT TRANSCEIVER WITH TOLERANT
ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified: Operating Condition: -40°C +85°C
Symbol IOZH IOZL IOFF ICCL ICCH ICCZ High Impedance Output Current (3-State Output pins) Input/Output Power Leakage Clamp Diode Voltage Input Hysteresis Quiescent Power Supply Current 5.5V 2.3V, -18mA 3.3V 3.6V -0.7 -1.2 3.6V 5.5V Parameter Input HIGH Voltage Level Input Voltage Level Input Leakage Current 2.3V 2.7V 2.7V 3.6V 2.3V 2.7V 2.7V 3.6V 3.6V 5.5V Test Conditions Min. Typ.(1) Max. Unit
Quiescent Power Supply Current Variation
5.5V(2) input 0.6V, other inputs
NOTES: Typical values 3.3V, +25°C ambient. This applies disabled state only.
BUS-HOLD CHARACTERISTICS
Symbol IBHH IBHL IBHH IBHL IBHHO IBHLO
NOTES: Pins with Bus-Hold identified description. Typical values 3.3V, +25°C ambient.
Parameter(1) Bus-Hold Input Sustain Current Bus-Hold Input Sustain Current Bus-Hold Input Overdrive Current 2.3V 3.6V
Test Conditions 0.8V 1.7V 0.7V 3.6V
Min.
Typ.(2)
Max. ±500
Unit
IDT74LVCH162245A 3.3V CMOS 16-BIT TRANSCEIVER WITH TOLERANT
OUTPUT DRIVE CHARACTERISTICS PORT)
Symbol Parameter Output HIGH Voltage 2.3V 2.7V Output Voltage 2.3V 3.6V 2.3V 2.7V Test Conditions(1) 2.3V 3.6V 0.1mA 12mA 0.1mA 12mA Min. Max. 0.55 0.55 Unit
NOTE: must within min. max. range shown ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE table appropriate range. 40°C 85°C.
OUTPUT DRIVE CHARACTERISTICS PORT)
Symbol Parameter Output HIGH Voltage 2.3V 2.3V 2.7V Output Voltage 2.3V 3.6V 2.3V 2.7V 24mA 0.1mA 12mA 12mA 24mA Test Conditions(1) 2.3V 3.6V 0.1mA 12mA Min. Max. 0.55 Unit
NOTE: must within min. max. range shown ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE table appropriate range. 40°C 85°C.
IDT74LVCH162245A 3.3V CMOS 16-BIT TRANSCEIVER WITH TOLERANT
OPERATING CHARACTERISTICS, 3.3V 0.3V, 25°C
Symbol Parameter Power Dissipation Capacitance Transceiver Outputs enabled Power Dissipation Capacitance Transceiver Outputs disabled Test Conditions 0pF, 10Mhz Typical Unit
SWITCHING CHARACTERISTICS PORT)(1)
Symbol tPLH tPHL tPZH tPZL tPHZ tPLZ tSK(o) Parameter Propagation Delay Output Enable Time Output Disable Time Output Skew(2) Min. 2.7V Max. 3.3V 0.3V Min. Max. Unit
NOTES: TEST CIRCUITS WAVEFORMS. 40°C 85°C. Skew between outputs same package switching same direction.
SWITCHING CHARACTERISTICS PORT)(1)
Symbol tPLH tPHL tPZH tPZL tPHZ tPLZ tSK(o) Parameter Propagation Delay Output Enable Time Output Disable Time Output Skew(2) Min. 2.7V Max. 3.3V 0.3V Min. Max. Unit
NOTES: TEST CIRCUITS WAVEFORMS. 40°C 85°C. Skew between outputs same package switching same direction.
IDT74LVCH162245A 3.3V CMOS 16-BIT TRANSCEIVER WITH TOLERANT
TEST CIRCUITS WAVEFORMS TEST CONDITIONS
Symbol VLOAD VCC(1)= 3.3V±0.3V VCC(1)= 2.7V
Pulse Generator D.U.T.
Link
VCC(2)= 2.5V±0.2V
Unit
VLOAD Open
SAME PHASE INPUT TRANSITION tPLH OUTPUT tPLH OPPOSITE PHASE INPUT TRANSITION tPHL tPHL
Link
Propagation Delay
ENABLE CONTROL INPUT tPZL OUTPUT SWITCH NORMALLY CLOSED tPZH OUTPUT SWITCH NORMALLY OPEN HIGH VLOAD/2 tPHZ tPLZ DISABLE VLOAD/2 VOL+VLZ VOH-VHZ
Link
VOUT
Test Circuit Outputs
DEFINITIONS: Load capacitance: includes probe capacitance. Termination resistance: should equal ZOUT Pulse Generator. NOTES: Pulse Generator Pulses: Rate 10MHz; 2.5ns; 2.5ns. Pulse Generator Pulses: Rate 10MHz; 2ns; 2ns.
NOTE: Diagram shown input Control Enable-LOW input Control Disable-HIGH.
Enable Disable Times
SWITCH POSITION
Test Open Drain Disable Enable Disable High Enable High Other Tests Switch VLOAD Open
tPLH2 tPHL2
Link
DATA INPUT TIMING INPUT ASYNCHRONOUS CONTROL SYNCHRONOUS CONTROL
tREM
Link
INPUT
Set-up, Hold, Release Times
LOW-HIGH-LOW PULSE HIGH-LOW-HIGH PULSE
Link
tPLH1
tPHL1
OUTPUT
OUTPUT
tSK(x) tPLH2 tPLH1 tPHL2 tPHL1
Pulse Width
Output Skew tSK(X)
NOTES: tSK(o) OUTPUT1 OUTPUT2 outputs. tSK(b) OUTPUT1 OUTPUT2 same bank.
IDT74LVCH162245A 3.3V CMOS 16-BIT TRANSCEIVER WITH TOLERANT
ORDERING INFORMATION
Bus-Hold Temp. Range Family XXXX Device Type Package
Shrink Small Outline Package Thin Shrink Small Outline Package Thin Very Small Outline Package
245A 16-Bit Transceiver Double-Density with Resistors, ±24mA Port) ±12mA Port)
Bus-hold -40°C +85°C
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