SCBS187E FEBRUARY 1991 REVISED OCTOBER 1996 State-of-the-Art EPIC

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SCBS187E FEBRUARY 1991 REVISED OCTOBER 1996 State-of-the-Art EPIC

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SN54ABT534, SN74ABT534A OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS
SCBS187E FEBRUARY 1991 REVISED OCTOBER 1996
State-of-the-Art EPIC-B BiCMOS Design Significantly Reduces Power Dissipation Latch-Up Performance Exceeds JEDEC Standard JESD-17 Typical VOLP (Output Ground Bounce) 25°C High-Drive Outputs (-32-mA IOH, 64-mA IOL) Protection Exceeds 2000 MIL-STD-883, Method 3015; Exceeds Using Machine Model Package Options Include Plastic Small-Outline (DW) Shrink Small-Outline (DB) Packages, Ceramic Chip Carriers (FK), Plastic Ceramic DIPs, Ceramic Flat Packages
SN54ABT534 PACKAGE SN74ABT534A PACKAGE (TOP VIEW)
SN54ABT534 PACKAGE (TOP VIEW)
These 8-bit flip-flops with 3-state outputs designed specifically driving highly capacitive relatively low-impedance loads. They particularly suitable implementing buffer registers, ports, bidirectional drivers, working registers. eight flip-flops SN54ABT534 SN74ABT534A edge-triggered D-type flipflops. positive transition clock, outputs complement logic levels that were data inputs.
description
buffered output-enable (OE) input used place eight outputs either normal logic state (high logic levels) high-impedance state. high-impedance state, outputs neither load drive lines significantly. high-impedance state increased drive provide capability drive lines without need interface pullup components. input does affect internal operations flip-flop. Previously stored data retained data entered while outputs high-impedance state. ensure high-impedance state during power power down, should tied through pullup resistor; minimum value resistor determined current-sinking capability driver. SN74ABT534A available TI's shrink small-outline package, which provides same count functionality standard small-outline packages less than half printed circuit board area. SN54ABT534 characterized operation over full military temperature range -55°C 125°C. SN74ABT534A characterized operation from -40°C 85°C.
Please aware that important notice concerning availability, standard warranty, critical applications Texas Instruments semiconductor products disclaimers thereto appears this data sheet. EPIC-B trademark Texas Instruments Incorporated.
PRODUCTION DATA information current publication date. Products conform specifications terms Texas Instruments standard warranty. Production processing does necessarily include testing parameters.
Copyright 1996, Texas Instruments Incorporated
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SN54ABT534, SN74ABT534A OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS
SCBS187E FEBRUARY 1991 REVISED OCTOBER 1996
FUNCTION TABLE (each flip-flop) INPUTS OUTPUT
logic symbol
This symbol accordance with ANSI/IEEE 91-1984 Publication 617-12.
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SN54ABT534, SN74ABT534A OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS
SCBS187E FEBRUARY 1991 REVISED OCTOBER 1996
logic diagram (positive logic)
POST OFFICE 655303
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SN54ABT534, SN74ABT534A OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS
SCBS187E FEBRUARY 1991 REVISED OCTOBER 1996
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, -0.5 Input voltage range, (see Note -0.5 Voltage range applied output high state power-off state, -0.5 Current into output state, SN54ABT534 SN74ABT534A Input clamp current, Output clamp current, Maximum power dissipation 55°C still air) (see Note package package package Storage temperature range, Tstg -65°C 150°C
Stresses beyond those listed under "absolute maximum ratings" cause permanent damage device. These stress ratings only, functional operation device these other conditions beyond those indicated under "recommended operating conditions" implied. Exposure absolute-maximum-rated conditions extended periods affect device reliability. NOTES: input output negative-voltage ratings exceeded input output clamp-current ratings observed. maximum package power dissipation calculated using junction temperature 150°C board trace length mils, except package, which trace length zero. more information, refer Package Thermal Considerations application note Advanced BiCMOS Technology Data Book.
recommended operating conditions (see Note
SN54ABT534 Supply voltage High-level input voltage Low-level input voltage Input voltage High-level output current Low-level output current Input transition rise fall rate Outputs enabled SN74ABT534A UNIT ns/V
Operating free-air temperature NOTE Unused inputs must held high prevent them from floating.
POST OFFICE 655303
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SN54ABT534, SN74ABT534A OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS
SCBS187E FEBRUARY 1991 REVISED OCTOBER 1996
electrical characteristics over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER IOZH IOZL Ioff ICEX TEST CONDITIONS Outputs high Outputs high input Other inputs Outputs Outputs disabled -100 0.55 0.55* ±100 0.55 0.55 ±100 25°C -1.2 SN54ABT534 -1.2 SN74ABT534A -1.2 UNIT
products compliant MIL-PRF-38535, this parameter does apply. typical values more than output should tested time, duration test should exceed second. This data sheet limit vary among suppliers. This increase supply current each input that specified voltage level rather than GND.
timing requirements over recommended ranges supply voltage operating free-air temperature (unless otherwise noted) (see Figure
SN54ABT534 25°C fclock Clock frequency Pulse duration Setup time, data before Hold time, data after high Data high Data high UNIT
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SN54ABT534, SN74ABT534A OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS
SCBS187E FEBRUARY 1991 REVISED OCTOBER 1996
timing requirements over recommended ranges supply voltage operating free-air temperature (unless otherwise noted) (see Figure
SN74ABT534A 25°C fclock Clock frequency Pulse duration Setup time, data before high Data high Data high UNIT
Hold time, data after This data sheet limit vary among suppliers.
switching characteristics over recommended ranges supply voltage operating free-air temperature, (unless otherwise noted) (see Figure
SN54ABT534 PARAMETER FROM (INPUT) (OUTPUT) 25°C fmax tPLH tPHL tPZH tPZL tPHZ tPLZ UNIT
switching characteristics over recommended ranges supply voltage operating free-air temperature, (unless otherwise noted) (see Figure
SN74ABT534A PARAMETER FROM (INPUT) (OUTPUT) 25°C fmax tPLH tPHL tPZH tPZL tPHZ tPLZ UNIT
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SN54ABT534, SN74ABT534A OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS
SCBS187E FEBRUARY 1991 REVISED OCTOBER 1996
PARAMETER MEASUREMENT INFORMATION
From Output Under Test (see Note TEST Open tPLH/tPHL tPLZ/tPZL tPHZ/tPZH Open Open
LOAD CIRCUIT Input VOLTAGE WAVEFORMS PULSE DURATION VOLTAGE WAVEFORMS SETUP HOLD TIMES Data Input Timing Input
Input tPLH Output tPHL Output tPHL tPLH VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES INVERTING NONINVERTING OUTPUTS
Output Control tPZL Output Waveform (see Note Output Waveform Open (see Note tPZH
tPLZ tPHZ
VOLTAGE WAVEFORMS ENABLE DISABLE TIMES LOW- HIGH-LEVEL ENABLING
NOTES: includes probe capacitance. Waveform output with internal conditions such that output except when disabled output control. Waveform output with internal conditions such that output high except when disabled output control. input pulses supplied generators having following characteristics: MHz, outputs measured time with transition measurement.
Figure Load Circuit Voltage Waveforms
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Copyright 1996, Texas Instruments Incorporated

SCBS187E FEBRUARY 1991 REVISED OCTOBER 1996 State-of-the-Art EPIC

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