3.3V CMOS 16-BIT BUFFER/DRIVER WITH 3-STATE OUTPUTS, VOLT TOLERANT BUS
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IDT74LVCH16241A 3.3V CMOS 16-BIT BUFFER/DRIVER WITH 3-STATE OUTPUTS
3.3V CMOS 16-BIT BUFFER/DRIVER WITH 3-STATE OUTPUTS, VOLT TOLERANT BUS-HOLD
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
IDT74LVCH16241A
DESCRIPTION:
This 16-bit buffer/driver built using advanced dual metal CMOS technology. This high-speed, power device designed specifically improve both performance density 3-state memory address drivers, clock drivers, bus-oriented receivers transmitters.This device used four 4-bit buffers, 8-bit buffers, 16-bit buffer, provides true outputs complementary output-enable inputs. pins this 16-bit buffer/driver driven from either 3.3V devices. This feature allows device translator mixed 3.3V/5V supply system. LVCH16241A "bus-hold" which retains inputs' last state whenever input goes high impedance. This prevents floating inputs eliminates need pull-up/down resistors. LVCH16241A been designed with ±24mA output driver. driver capable driving moderate heavy load while maintaining speed performance.
Drive Features LVCH16241A High Output Drivers: ±24mA Reduced system switching noise
APPLICATIONS:
3.3V mixed voltage systems Data communication telecommunication systems
FUNCTIONAL BLOCK DIAGRAM
1999 Integrated Device Technology, Inc.
OCTOBER 1999
DSC-4703/1
IDT74LVCH16241A 3.3V CMOS 16-BIT BUFFER/DRIVER WITH 3-STATE OUTPUTS
CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
Symbol VTERM Description Terminal Voltage with Respect Storage Temperature Output Current Continuous Clamp Current, Continuous Current through each
Unit
Link
Max. +6.5 +150 ±100
TSTG IOUT
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.
SO48-1 SO48-2 SO48-3
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.
FUNCTION TABLES
Inputs
1OE,
Outputs
SSOP/ TSSOP/ TVSOP VIEW
1Ax,
1Yx,
Inputs
Outputs 2Yx,
DESCRIPTION
Names Description 3-State Output Enable Inputs (Active LOW) 3-State Output Enable Inputs Data Inputs(1) 3-State Outputs
2OE,
2Ax,
NOTES: HIGH Voltage Level Voltage Level Don't Care High-Impedance
1998 Integrated Device Technology, Inc.
DSC-123456
IDT74LVCH16241A 3.3V CMOS 16-BIT BUFFER/DRIVER WITH 3-STATE OUTPUTS
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.
IDT74LVCH16241A 3.3V CMOS 16-BIT BUFFER/DRIVER WITH 3-STATE OUTPUTS
OUTPUT DRIVE CHARACTERISTICS
Symbol Parameter Output HIGH Voltage Test Conditions(1) 2.3V 3.6V 0.1mA 2.3V 2.3V 2.7V 3.0V 3.0V Output Voltage 2.3V 3.6V 2.3V 2.7V 3.0V 24mA 0.1mA 12mA 12mA 24mA 12mA Min. Max. 0.55
Link
Unit
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 tPZH tPZL tPHZ tPLZ tSK(o) Parameter Propagation Delay Output Enable Time 1Yx, Output Disable Time 1Yx, Output Enable Time 2Yx, Output Disable Time 2Yx, Output Skew(2)
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.
IDT74LVCH16241A 3.3V CMOS 16-BIT BUFFER/DRIVER WITH 3-STATE OUTPUTS
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
SAME PHAS INPUT TRANSITION tPLH OUTPUT tPLH OPPOSITE PHASE INPUT TRANSITIO
Link
TEST CIRCUITS OUTPUTS
Pulse enerator D.U.T. LOAD
ENABLE DISABLE TIMES
ENABLE NTROL INPUT OUTPUT ITCH NORMALLY OUTPUT ITCH NORMALLY OPEN HIGH AD/2 tPHZ DISABLE AD/2
Link
Link DEFINITIONS: Load capacitance: includes probe capacitance. Termination resistance: should equal ZOUT Pulse Generator.
NOTE: 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 ASYNCHRO CONTROL SYNCHRO CONTROL
Link
SWITCH POSITION
Test Open Drain Disable Enable Disable High Enable High Other tests Switch VLOAD
Open
Link
OUTPUT SKEW
INPUT PLH1 PHL1
PULSE WIDTH
-HIG H-LOW PULSE H-LOW -HIG PULSE
Link
OUTPUT
OUTPUT tPLH2 tPHL2
PLH2 tPLH1 tPHL2
NOTES: tSK(o) OUTPUT1 OUTPUT2 outputs. tSK(b) OUTPUT1 OUTPUT2 same bank.
Link
IDT74LVCH16241A 3.3V CMOS 16-BIT BUFFER/DRIVER WITH 3-STATE OUTPUTS
ORDERING INFORMATION
Bus-Hold XXXX Device Type Package Temp. Range
241A
Shrink Outline Package (SO48-1) Thin Shrink Outline Package (SO48-2) Thin Very Outline Package (SO48-3) 16-Bit Buffer/Driver Double-Density with Resistors, ±24m Bus-hold -40°C +85°C
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