3.3V CMOS 16-BIT REGISTERED TRANSCEIVER WITH 3-STATE OUTPUTS BUS-HOLD

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3.3V CMOS 16-BIT REGISTERED TRANSCEIVER WITH 3-STATE OUTPUTS BUS-HOLD

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IDT74ALVCHR16543 3.3V CMOS 16-BIT REGISTERED TRANSCEIVER
3.3V CMOS 16-BIT REGISTERED TRANSCEIVER WITH 3-STATE OUTPUTS BUS-HOLD
MICRON CMOS Technology Typical tSK(0) (Output Skew) 250ps 2000V MIL-STD-883, Method 3015; 200V using machine model 200pF, 0.40mm pitch TVSOP package Extended commercial range 40°C +85°C 3.3V ±0.3V, Normal Range 2.7V 3.6V, Extended Range 2.5V ±0.2V CMOS power levels (0.4µW typ. static) Rail-to-Rail output swing increased noise margin Drive Features ALVCHR16543: Balanced Output Drivers: ±12mA switching noise
IDT74ALVCHR16543
DESCRIPTION:
APPLICATIONS:
3.3V High Speed Systems 3.3V lower voltage computing systems
This 16-bit registered transceiver built using advanced dual metal CMOS technology. ALVCHR16543 used 8-bit transceivers 16-bit transceiver. Separate latch-enable (LEAB LEBA) output-enable (OEAB OEBA) inputs provided each register permit independent control either direction data flow. A-to-B enable (CEAB) input must enter data from output data from CEAB LEAB low, A-to-B latches transparent; subsequent low-to-high transition LEAB puts latches storage mode. With CEAB OEAB both low, 3-state outputs active reflect data present output latches. Data flow from similar, requires using CEBA, LEBA, OEBA. ALVCHR16543 series resistors device output structure which will significantly reduce line noise when used with light loads. This driver been designed drive ±12mA designated threshold levels. ALVCHR16543 "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
OEBA CEBA LEBA
OEBA
LEBA
OEAB CEAB LEAB
OEAB CEAB LEAB
SEVEN OTHER HANN
SEVEN HANN
1999 Integrated Device Technology, Inc.
APRIL 1999
DSC-4946/-
IDT74ALVCHR16543 3.3V CMOS 16-BIT REGISTERED TRANSCEIVER
CONFIGURATION
ABSOLUTE MAXIMUM RATING
Symbol VTERM(2) Description Terminal Voltage with Respect Terminal Voltage with Respect Storage Temperature Output Current Continuous Clamp Current, Continuous Clamp Current, Continuous Current through each
Unit
NEW16link
Max. ±100
1OEAB 1LEAB 1CEAB
1OEBA 1LEBA 1CEBA
VTERM(3) TSTG IOUT
NOTES: 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. terminals. terminals except VCC.
CAPACITANCE +25oC, 1.0MHz)
Symbol COUT CI/O Parameter(1) Input Capacitance Output Capacitance Port Capacitance Conditions VOUT Typ. Max. Unit
NEW16link
NOTE: applicable device type.
DESCRIPTION
Names xOEAB xOEBA xCEAB xCEBA xLEAB xLEBA Description A-to-B Output Enable Inputs (Active LOW) B-to-A Output Enable Inputs (Active LOW) A-to-B Enable Inputs (Active LOW) B-to-A Enable Inputs (Active LOW) A-to-B Latch Enable Inputs (Active LOW) B-to-A Latch Enable Inputs (Active LOW) A-to-B Data Inputs B-to-A 3-State Outputs B-to-A Data Inputs A-to-B 3-State Outputs
2CEAB 2LEAB 2OEAB
2CEBA 2LEBA 2OEBA
SSOP/ TSSOP/TVSOP VIEW
NOTE: These pins have "Bus-Hold." other pins standard inputs, outputs, I/Os.
IDT74ALVCHR16543 3.3V CMOS 16-BIT REGISTERED TRANSCEIVER
FUNCTION TABLE(1,
Inputs xCEAB xLEAB xOEAB
Output
NOTES: HIGH Voltage Level Voltage Level Don't Care High-Impedance Level before indicated steady-state inputs were established. A-to-B data flow shown; B-to-A flow similar uses xCEBA, xLEBA, xOEBA.
ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified: Operating Condition: 40°C +85°C
Symbol IOZH IOZL ICCL ICCH ICCZ Parameter Input HIGH Voltage Level Input Voltage Level Input HIGH Current Input Current High Impedance Output Current (3-State Output pins) Clamp Diode Voltage Input Hysteresis Quiescent Power Supply Current 2.3V, 18mA 3.3V 3.6V input 0.6V, other inputs Test Conditions 2.3V 2.7V 2.7V 3.6V 2.3V 2.7V 2.7V 3.6V 3.6V 3.6V 3.6V Min. Typ.(1) Max. Unit
Quiescent Power Supply Current Variation
NEW16link
NOTE: Typical values 3.3V, +25°C ambient.
IDT74ALVCHR16543 3.3V CMOS 16-BIT REGISTERED TRANSCEIVER
BUS-HOLD CHARACTERISTICS
Symbol IBHH IBHL IBHH IBHL IBHHO IBHLO
NOTES: Pins with Bus-hold identified description. Typical values 3.3V, +25°C ambient.
NEW16link
Parameter(1) Bus-Hold Input Sustain Current Bus-Hold Input Sustain Current Bus-Hold Input Overdrive Current
3.0V 2.3V 3.6V
Test Conditions 2.0V 0.8V 1.7V 0.7V 3.6V
Min.
Typ.(2)
Max.
Unit
OUTPUT DRIVE CHARACTERISTICS
Symbol Parameter Output HIGH Voltage Test Conditions(1) 2.3V 3.6V 0.1mA 2.7V 3.0V Output Voltage 2.3V 3.6V 2.3V 2.7V 3.0V 12mA 0.1mA 12mA Min. Max. 0.55 0.55
NEW16link
Unit
2.3V
NOTE: must within min. max. range shown ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE table appropriate range. 40°C 85°C.
IDT74ALVCHR16543 3.3V CMOS 16-BIT REGISTERED TRANSCEIVER
OPERATING CHARACTERISTICS, 25oC
Symbol Parameter Power Dissipation Capacitance Outputs enabled Power Dissipation Capacitance Outputs disabled Test Conditions 0pF, 10Mhz
2.5V 0.2V Typical
3.3V 0.3V Typical Unit
SWITCHING CHARACTERISTICS(1)
2.5V 0.2V Symbol tPLH tPHL tPLH tPHL tPZH tPZL tPHZ tPLZ tPZH tPZL tPHZ tPLZ tSK(o) Parameter Propagation Delay Propagation Delay xLEAB xLEBA Output Enable Time xCEAB xCEBA Output Disable Time xCEAB, xCEBA Output Enable Time xOEAB xOEBA Output Disable Time xOEAB xOEBA Setup Time, data before Setup Time, data before Hold Time, data after Hold Time, data after Pulse Duration, Output Skew(2) Min. Max. 2.7V Min. Max. 3.3V 0.3V Min. Max. Unit
NOTES: test circuits waveforms. 40°C 85°C. Skew between outputs same package switching same direction.
IDT74ALVCHR16543 3.3V CMOS 16-BIT REGISTERED TRANSCEIVER
TEST CIRCUITS WAVEFORMS: TEST CONDITIONS PROPAGATION DELAY
Symbol VLOAD VCC(1)= 3.3V±0.3V VCC(1)= 2.7V VCC(2)= 2.5V±0.2V Unit
NEW16link
SAME PHASE INPUT TRANSITION tPLH OUTPUT tPLH OPPOSITE PHASE INPUT TRANSITION tPHL tPHL
ALVC Link
TEST CIRCUITS OUTPUTS
Pulse Generator
ENABLE DISABLE TIMES
ENABLE CONTROL INPUT tPZL OUTPUT SWITCH NORMALLY CLOSED tPZH OUTPUT SWITCH NORMALLY OPEN HIGH LOAD/2 tPHZ tPLZ DISABLE LOAD/2
ALVC Link
LOAD Open
D.U.T.
ALVC Link 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.
SET-UP, HOLD, RELEASE TIMES
DATA INPUT TIMING INPUT ASYNCHRONOUS CONTROL SYNCHRONOUS CONTROL tREM
ALVC Link
SWITCH POSITION
Test Open Drain Disable Enable Disable High Enable High Other tests Switch VLOAD
Open
NEW16link
OUTPUT SKEW INPUT
tPHL1
tPLH1
PULSE WIDTH
LOW-HIGH-LOW PULSE HIGH-LOW-HIGH PULSE
ALVC Link
OUTPUT
OUTPUT tPLH2 tPHL2
tSK(x) tPLH2 tPLH1 tPHL2 tPHL1
ALVC Link
NOTES: tSK(o) OUTPUT1 OUTPUT2 outputs. tSK(b) OUTPUT1 OUTPUT2 same bank.
IDT74ALVCHR16543 3.3V CMOS 16-BIT REGISTERED TRANSCEIVER
ORDERING INFORMATION
ALVC Family Device Type Package Temp. Range Bus-Hold
Shrink Small Outline Package (SO56-1) Thin Shrink Small Outline Package (SO56-2) Thin Very Small Outline Package (SO56-3) 16-Bit Registered Transceiver with 3-State Outputs Double-Density with Resistors, ±12mA Bus-Hold -40°C +85°C
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3.3V CMOS 16-BIT REGISTERED TRANSCEIVER WITH 3-STATE OUTPUTS BUS-HOLD

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