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SN54LS243

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Quadruple Bus Transceivers

Data sheet
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Quadruple Bus Transceivers

SN54LS243

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Product details

Parameters

Technology Family LS Supply voltage (Min) (V) 4.5 Supply voltage (Max) (V) 5.5 Bits (#) 4 Voltage (Nom) (V) 5 F @ nom voltage (Max) (MHz) 35 ICC @ nom voltage (Max) (mA) 0.05 Propagation delay (Max) (ns) 18 IOL (Max) (mA) 24 IOH (Max) (mA) -15 Rating Catalog, Military Operating temperature range (C) -55 to 125 open-in-new Find other Standard transceiver

Package | Pins | Size

CDIP (J) 14 130 mm² 19.94 x 6.73 CFP (W) 14 55 mm² 9.2 x 6.39 open-in-new Find other Standard transceiver

Features

  • Two-Way Asynchronous Communication Between Data Buses
  • PNP Inputs Reduce D-C Loading
  • Hysteresis (Typically 400 mV) at Inputs Improves Noise Margin

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Description

These four-data-line transceivers are designed for asynchronous two-way communications between data buses. SN74LS243 can be used to drive terminated lines down to 133 .

SN54LS243 is characterized for operation over the full military temperature range of –55°C to 125°C. SN74LS243 is characterized for operation from 0°C to 70°C.

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Technical documentation

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Type Title Date
* Datasheet Quadruple Bus Transceivers datasheet (Rev. A) Jul. 09, 2008
* SMD SN54LS243 SMD 8002002CA Jun. 21, 2016
Selection guide Logic Guide (Rev. AB) Jun. 12, 2017
Application note Understanding and Interpreting Standard-Logic Data Sheets (Rev. C) Dec. 02, 2015
User guide LOGIC Pocket Data Book (Rev. B) Jan. 16, 2007
Application note Semiconductor Packing Material Electrostatic Discharge (ESD) Protection Jul. 08, 2004
More literature Logic Cross-Reference (Rev. A) Oct. 07, 2003
Application note TI IBIS File Creation, Validation, and Distribution Processes Aug. 29, 2002
Application note Designing With Logic (Rev. C) Jun. 01, 1997
Application note Designing with the SN54/74LS123 (Rev. A) Mar. 01, 1997
Application note Input and Output Characteristics of Digital Integrated Circuits Oct. 01, 1996
Application note Live Insertion Oct. 01, 1996

Design & development

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CAD/CAE symbols

Package Pins Download
CDIP (J) 14 View options
CFP (W) 14 View options

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