Members Texas Instruments Widebus Family A-Port Outputs Have Equivalen

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SN54ABT162245, SN74ABT162245 16-BIT TRANSCEIVERS WITH 3-STATE OUTPUTS
Members Texas Instruments Widebus Family A-Port Outputs Have Equivalent Series Resistors, External Resistors Required 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 Distributed Configuration Minimizes High-Speed Switching Noise Flow-Through Architecture Optimizes Layout Package Options Include Plastic 300-mil Shrink Small-Outline (DL) Thin Shrink Small-Outline (DGG) Packages 380-mil Fine-Pitch Ceramic Flat (WD) Package Using 25-mil Center-to-Center Spacings
SN54ABT162245 PACKAGE SN74ABT162245 PACKAGE (TOP VIEW)
description
'ABT162245 16-bit noninverting 3-state transceivers designed synchronous two-way communication between data buses. control-function implementation minimizes external timing requirements.
1DIR 2DIR
These devices used 8-bit transceivers 16-bit transceiver. They allow data transmission from from bus, depending logic level direction-control (DIR) input. output-enable (OE) input used disable device that buses effectively isolated. A-port outputs, which designed source sink include equivalent series resistors reduce overshoot undershoot. ensure high-impedance state during power power down, should tied through pullup resistor; minimum value resistor determined current-sinking capability driver. SN54ABT162245 characterized operation over full military temperature range -55°C 125°C. SN74ABT162245 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. Widebus EPIC-B trademarks 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 1997, Texas Instruments Incorporated
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SN54ABT162245, SN74ABT162245 16-BIT TRANSCEIVERS WITH 3-STATE OUTPUTS
FUNCTION TABLE (each 8-bit section) INPUTS OPERATION data data Isolation
logic symbol
1DIR 2DIR
[BA] [AB] [BA] [AB]
This symbol accordance with ANSI/IEEE 91-1984 Publication 617-12.
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SN54ABT162245, SN74ABT162245 16-BIT TRANSCEIVERS WITH 3-STATE OUTPUTS
logic diagram (positive logic)
1DIR 2DIR
Seven Other Channels
Seven Other Channels
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, -0.5 Input voltage range, (except ports) (see Note -0.5 Voltage range applied output high power-off state, -0.5 Current into output state, SN54ABT162245 port) SN74ABT162245 port) SN54/74ABT162245 port) Input clamp current, Output clamp current, Package thermal impedance, (see Note package 89°C/W package 94°C/W 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. package thermal impedance calculated accordance with EIA/JEDEC JESD51.
recommended operating conditions (see Note
SN54ABT162245 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 port port port port Outputs enabled SN74ABT162245 UNIT ns/V
Operating free-air temperature NOTE Unused pins (input I/O) must held high prevent them from floating.
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SN54ABT162245, SN74ABT162245 16-BIT TRANSCEIVERS WITH 3-STATE OUTPUTS
electrical characteristics over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS port port Control inputs ports Ioff ICEX port port ports Outputs high =25V Outputs high Outputs Outputs disabled -100 ±100 -100 -180 0.05 -180 ±100 -100 -180 0.05 2.6* 0.45 0.55* 0.45 0.45 0.55 25°C -1.2 SN54ABT162245 -1.2 SN74ABT162245 -1.2 UNIT
port Vhys port
Data inputs ICC# Control inputs
Outputs enabled input Other inputs Outputs disabled input Other inputs
products compliant MIL-PRF-38535, this parameter does apply. typical values This limit applies only SN74ABT162245. parameters IOZH IOZL include input leakage current. more than output should tested time, duration test should exceed second. This increase supply current each input that specified voltage level rather than GND.
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SN54ABT162245, SN74ABT162245 16-BIT TRANSCEIVERS WITH 3-STATE OUTPUTS
switching characteristics over recommended ranges supply voltage operating free-air temperature, (unless otherwise noted) (see Figure
PARAMETER tPLH tPHL tPLH tPHL tPZH tPZL tPHZ tPLZ tPZH tPZL tPHZ tPLZ FROM (INPUT) (OUTPUT) 25°C SN54ABT162245 SN74ABT162245 UNIT
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SN54ABT162245, SN74ABT162245 16-BIT TRANSCEIVERS WITH 3-STATE OUTPUTS
PARAMETER MEASUREMENT INFORMATION
From Output Under Test (see Note Open TEST tPLH/tPHL tPLZ/tPZL tPHZ/tPZH Open Open
LOAD CIRCUIT Timing Input Input VOLTAGE WAVEFORMS PULSE DURATION VOLTAGE WAVEFORMS SETUP HOLD TIMES Data Input
Input tPLH Output tPHL tPHL Output 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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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

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