SCLS345 1996 Operating Range 5.5-V EPIC (Enhanced-Performance Imp

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SCLS345 1996 Operating Range 5.5-V EPIC (Enhanced-Performance Imp

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SN54AHC157, SN74AHC157 QUADRUPLE 2-LINE 1-LINE DATA SELECTORS/MULTIPLEXERS
SCLS345 1996
Operating Range 5.5-V EPIC (Enhanced-Performance Implanted CMOS) Process Package Options Include Plastic Small-Outline (D), Shrink Small-Outline (DB), Thin Shrink Small-Outline (PW), Ceramic Flat Packages, Ceramic Chip Carriers (FK), Standard Plastic Ceramic 300-mil DIPs
SN54AHC157 PACKAGE SN74AHC157 PACKAGE (TOP VIEW)
description
These quadruple 2-line 1-line data selectors/ multiplexers designed 5.5-V operation. 'AHC157 feature common strobe input. When strobe high, outputs low. When strobe low, 4-bit word selected from sources routed four outputs. devices provide true data. SN54AHC157 characterized operation over full military temperature range -55°C 125°C. SN74AHC157 characterized operation from 40°C 85°C.
FUNCTION TABLE INPUTS OUTPUT
SN54AHC157 PACKAGE (TOP VIEW)
internal connection
Please aware that important notice concerning availability, standard warranty, critical applications Texas Instruments semiconductor products disclaimers thereto appears this data sheet. EPIC trademark Texas Instruments Incorporated.
PRODUCT PREVIEW information concerns products formative design phase development. Characteristic data other specifications design goals. Texas Instruments reserves right change discontinue these products without notice.
Copyright 1996, Texas Instruments Incorporated
POST OFFICE 655303
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PRODUCT PREVIEW
SN54AHC157, SN74AHC157 QUADRUPLE 2-LINE 1-LINE DATA SELECTORS/MULTIPLEXERS
SCLS345 1996
logic symbol
This symbol accordance with ANSI/IEEE 91-1984 Publication 617-12. numbers shown packages.
PRODUCT PREVIEW
logic diagram (positive logic)
numbers shown packages.
POST OFFICE 655303
DALLAS, TEXAS 75265
SN54AHC157, SN74AHC157 QUADRUPLE 2-LINE 1-LINE DATA SELECTORS/MULTIPLEXERS
SCLS345 1996
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, Input voltage range, (see Note Output voltage range, (see Note Input clamp current, Output clamp current, VCC) Continuous output current, VCC) Continuous current through Maximum power dissipation 55°C still air) (see Note package package 0.55 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 voltage ratings exceeded input output current ratings observed. maximum package power dissipation calculated using junction temperature 150°C board trace length mils, except package, which trace length zero.
recommended operating conditions (see Note
SN54AHC157 Supply voltage High-level voltage High input Low-level input voltage Input voltage Output voltage High-level output current High Low-level output current 3.85 1.65 SN74AHC157 3.85 1.65 UNIT
Input transition rise fall rate
Operating free-air temperature NOTE Unused inputs must held high prevent them from floating.
POST OFFICE 655303
DALLAS, TEXAS 75265
PRODUCT PREVIEW
SN54AHC157, SN74AHC157 QUADRUPLE 2-LINE 1-LINE DATA SELECTORS/MULTIPLEXERS
SCLS345 1996
electrical characteristics over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS inputs GND, 2.58 3.94 0.36 0.36 25°C SN54AHC157 2.48 SN74AHC157 2.48 0.44 0.44 UNIT
PRODUCT PREVIEW
switching characteristics over recommended operating free-air temperature range, (unless otherwise noted) (see Figure
SN54AHC157 PARAMETER tPLH* tPHL* tPLH* tPHL* tPLH* tPHL* tPLH tPHL tPLH tPHL tPLH tPHL FROM (INPUT) (OUTPUT) LOAD CAPACITANCE 25°C 10.9 10.9 11.2 11.2 13.2 13.2 13.6 13.6 13.2 13.2 16.7 16.7 17.1 17.1 11.5 11.5 15.5 15.5 19.5 19.5 UNIT
products compliant MIL-PRF-38535, this parameter ensured production tested.
POST OFFICE 655303
DALLAS, TEXAS 75265
SN54AHC157, SN74AHC157 QUADRUPLE 2-LINE 1-LINE DATA SELECTORS/MULTIPLEXERS
SCLS345 1996
switching characteristics over recommended operating free-air temperature range, (unless otherwise noted) (see Figure
SN74AHC157 PARAMETER tPLH tPHL tPLH tPHL tPLH tPHL tPLH tPHL tPLH tPLH tPLH tPHL FROM (INPUT) (OUTPUT) LOAD CAPACITANCE 25°C 10.9 10.9 11.2 11.2 13.2 13.2 13.6 13.6 13.2 13.2 16.7 16.7 17.1 17.1 11.5 11.5 15.5 15.5 19.5 19.5 UNIT
switching characteristics over recommended operating free-air temperature range, (unless otherwise noted) (see Figure
SN54AHC157 PARAMETER tPLH tPHL tPLH tPHL tPLH tPHL tPLH tPHL tPLH tPLH tPLH tPHL FROM (INPUT) (OUTPUT) LOAD CAPACITANCE 25°C 10.1 10.1 10.6 10.6 11.5 11.5 UNIT
products compliant MIL-PRF-38535, this parameter ensured production tested.
POST OFFICE 655303
DALLAS, TEXAS 75265
PRODUCT PREVIEW
SN54AHC157, SN74AHC157 QUADRUPLE 2-LINE 1-LINE DATA SELECTORS/MULTIPLEXERS
SCLS345 1996
switching characteristics over recommended operating free-air temperature range, (unless otherwise noted) (see Figure
SN74AHC157 PARAMETER tPLH tPHL tPLH tPHL tPLH tPHL tPLH tPHL tPLH tPLH tPLH tPHL FROM (INPUT) (OUTPUT) LOAD CAPACITANCE 25°C 10.1 10.1 10.6 10.6 11.5 11.5 UNIT
PRODUCT PREVIEW
noise characteristics 25°C (see Note
PARAMETER VOL(P) VOL(V) VOH(V) VIH(D) Quiet output, maximum dynamic Quiet output, minimum dynamic Quiet output, minimum dynamic High-level dynamic input voltage -0.8 SN74AHC157 UNIT
VIL(D) Low-level dynamic input voltage NOTE Characteristics determined during product characterization ensured design surface-mount packages only.
operating characteristics, 25°C
PARAMETER Power dissipation capacitance gate TEST CONDITIONS load, UNIT
POST OFFICE 655303
DALLAS, TEXAS 75265
SN54AHC157, SN74AHC157 QUADRUPLE 2-LINE 1-LINE DATA SELECTORS/MULTIPLEXERS
SCLS345 1996
PARAMETER MEASUREMENT INFORMATION
From Output Under Test (see Note In-Phase Output LOAD CIRCUIT tPHL Out-of-Phase Output VOLTAGE WAVEFORMS DELAY TIMES NOTES: includes probe capacitance. input pulses supplied generators having following characteristics: MHz, outputs measured time with input transition measurement. Input (see Note tPLH tPHL tPLH
Test Point
Figure Load Circuit Voltage Waveforms
POST OFFICE 655303
DALLAS, TEXAS 75265
PRODUCT PREVIEW
IMPORTANT NOTICE Texas Instruments (TI) reserves right make changes products discontinue semiconductor product service without notice, advises customers obtain latest version relevant information verify, before placing orders, that information being relied current. warrants performance semiconductor products related software specifications applicable time sale accordance with TI's standard warranty. Testing other quality control techniques utilized extent deems necessary support this warranty. Specific testing parameters each device necessarily performed, except those mandated government requirements. Certain applications using semiconductor products involve potential risks death, personal injury, severe property environmental damage ("Critical Applications"). SEMICONDUCTOR PRODUCTS DESIGNED, INTENDED, AUTHORIZED, WARRANTED SUITABLE LIFE-SUPPORT APPLICATIONS, DEVICES SYSTEMS OTHER CRITICAL APPLICATIONS. Inclusion products such applications understood fully risk customer. products such applications requires written approval appropriate officer. Questions concerning potential risk applications should directed through local sales office. order minimize risks associated with customer's applications, adequate design operating safeguards should provided customer minimize inherent procedural hazards. assumes liability applications assistance, customer product design, software performance, infringement patents services described herein. does warrant represent that license, either express implied, granted under patent right, copyright, mask work right, other intellectual property right covering relating combination, machine, process which such semiconductor products services might used.
Copyright 1996, Texas Instruments Incorporated

SCLS345 1996 Operating Range 5.5-V EPIC (Enhanced-Performance Imp

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