3.3V CMOS ONE-TO-FOUR ADDRESS/CLOCK DRIVER WITH HOLD VOLT TOLERANT

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3.3V CMOS ONE-TO-FOUR ADDRESS/CLOCK DRIVER WITH HOLD VOLT TOLERANT

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IDT74LVCH16344A 3.3V CMOS ONE-TO-FOUR ADDRESS/CLOCK DRIVER
3.3V CMOS ONE-TO-FOUR ADDRESS/CLOCK DRIVER WITH HOLD VOLT TOLERANT
Typical tSK(0) (Output Skew) 250ps 2000V MIL-STD-883, Method 3015; 200V using machine model 200pF, 0.635mm pitch SSOP, 0.50mm pitch TSSOP 0.40mm pitch TVSOP packages Extended commercial range -40°C +85°C 3.3V ±0.3V, Normal Range 2.7V 3.6V, Extended Range CMOS power levels (0.4µW typ. static) inputs, outputs Volt tolerant Supports insertion Drive Features LVCH16344A: High Output Drivers: ±24mA Reduced system switching noise
IDT74LVCH16344A
DESCRIPTION:
LVCH16344A address line driver built using advanced dual metal CMOS technology. This high speed, power device provides ability fanout memory arrays. Eight banks, each with fanout 3-state control provide efficient address distribution. more banks used clock distribution. pins this address line driver driven from either 3.3V devices. This feature allows this device translator mixed 3.3V/5V supply system. LVCH16344A been designed with ±24mA output driver. This driver capable driving moderate heavy load while maintaining speed performance. LVCH16344A "bus-hold" which retains inputs' last state whenever input goes high impedance. This prevents floating inputs eliminates need pull-up/down resistors.
APPLICATIONS:
3.3V mixed voltage systems Data communication telecommunication systems
FUNCTIONAL BLOCK DIAGRAM
1999 Integrated Device Technology, Inc.
OCTOBER 1999
DSC-4710/1
IDT74LVCH16344A 3.3V CMOS ONE-TO-FOUR ADDRESS/CLOCK DRIVER
CONFIGURATION
SO56-1 SO56-2 SO56-3
ABSOLUTE MAXIMUM RATINGS
Symbol VTERM TSTG IOUT Description Terminal Voltage with Respect Storage Temperature Output Current Continuous Clamp Current, Continuous Current through each
Unit
Link
Max. +6.5 +150 ±100
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 +25OC, 1.0MHz)
Symbol COUT CI/O Parameter(1) Input Capacitance Output Capacitance Port Capacitance Conditions VOUT Typ. Max. Unit
Link
NOTE: applicable device type.
DESCRIPTION
Names Description 3-State Output Enable Inputs (Active LOW) Data Inputs 3-State Outputs
NOTE: These pins have "Bus-hold". other pins standard inputs, outputs, I/Os.
FUNCTION TABLE(1)
Inputs
NOTE: HIGH Voltage Level Voltage Level Don't Care High-Impedance
Outputs
SSOP/ TSSOP/ TVSOP VIEW
1998 Integrated Device Technology, Inc.
DSC-123456
IDT74LVCH16344A 3.3V CMOS ONE-TO-FOUR ADDRESS/CLOCK DRIVER
ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified: Operating Condition: -40OC +85OC
Symbol IOZH IOZL IOFF ICCL ICCH ICCZ Parameter Input HIGH Voltage Level Input Voltage Level Input Leakage Current 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 5.5V(2) Quiescent Power Supply Current Variation input 0.6V other inputs
Link
Test Conditions 2.3V 2.7V 2.7V 3.6V 2.3V 2.7V 2.7V 3.6V 3.6V 3.6V 5.5V 5.5V
Min.
Typ.(1)
Max.
Unit
NOTES: Typical values 3.3V, +25°C ambient. This applies disabled state only.
BUS-HOLD CHARACTERISTICS
Symbol IBHH IBHL IBHH IBHL IBHHO IBHLO
Link
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
NOTES: Pins with Bus-hold identified description. Typical values 3.3V, +25°C ambient.
IDT74LVCH16344A 3.3V CMOS ONE-TO-FOUR ADDRESS/CLOCK DRIVER
OUTPUT DRIVE CHARACTERISTICS
Symbol Parameter Output HIGH Voltage Test Conditions(1) 2.3V 3.6V 0.1mA 12mA Min. 24mA 0.1mA 12mA 2.7V 3.0V 12mA 24mA Max. 0.55
Link
Unit
2.3V 2.3V 2.7V 3.0V 3.0V Output Voltage 2.3V 3.6V 2.3V
NOTE: must within min. max. range shown ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE table appropriate range. 40°C +85°C.
OPERATING CHARACTERISTICS, 3.3V 0.3V, 25°C
Symbol Parameter Power Dissipation Capacitance buffer/driver Outputs enabled Power Dissipation Capacitance buffer/driver Outputs disabled Test Conditions 0pF, 10Mhz Typical Unit
SWITCHING CHARACTERISTICS
Symbol tPLH tPHL tPZH tPZL tPHZ tPLZ tSK(b) tSK(o) Parameter Propagation Delay Output Enable Time Output Disable Time
2.7V Min. Max. 3.3V±0.3V Min. Max. Unit
Skew between outputs same bank same package (same transition) Skew between outputs banks same package thru tied together)
NOTE: test circuits waveforms. 40°C 85°C.
IDT74LVCH16344A 3.3V CMOS ONE-TO-FOUR ADDRESS/CLOCK DRIVER
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
Link
ITIO
TEST CIRCUITS OUTPUTS
ulse enerator
ENABLE DISABLE TIMES
CLOSED OPEN
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.
SWITCH POSITION
Test Open Drain Disable Enable Disable High Enable High Other tests Switch VLOAD
SET-UP, HOLD, RELEASE TIMES
DATA ASYNCHRONOUS SYNCHRONOUS
Link
Open
Link
OUTPUT SKEW
OUTPUT OUTPUT
PULSE WIDTH
Link
NOTES: tSK(o) OUTPUT1 OUTPUT2 outputs. tSK(b) OUTPUT1 OUTPUT2 same bank. Link
IDT74LVCH16344A 3.3V CMOS ONE-TO-FOUR ADDRESS/CLOCK DRIVER
ORDERING INFORMATION
Bus-Hold XXXX Device Type Package Range
344A
Shrink Small Outline Package (SO56-1) Thin Shrink Small Outline Package (SO56-2) Thin Very Outline Package (SO56-3) 3.3V Address/Clock Driver Double-Density with Resistors, ±24mA
Bus-hold
-40°C +85°C
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3.3V CMOS ONE-TO-FOUR ADDRESS/CLOCK DRIVER WITH HOLD VOLT TOLERANT

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