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74LS243 - Quadruple Bus Transceiver

General Description

This four data line transceiver is designed for asynchronous two-way communications between data buses.

It can be used to drive terminated lines down to 133Ω.

Key Features

  • s Two-way asynchronous communication between data buses s PNP inputs reduce DC loading on bus line s Hysteresis at data inputs improves noise margin Ordering Code: Order Number DM74LS243M DM74LS243N Package Number M14A N14A Package.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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DM74LS243 Quadruple Bus Transceiver August 1986 Revised January 2000 DM74LS243 Quadruple Bus Transceiver General Description This four data line transceiver is designed for asynchronous two-way communications between data buses. It can be used to drive terminated lines down to 133Ω. Features s Two-way asynchronous communication between data buses s PNP inputs reduce DC loading on bus line s Hysteresis at data inputs improves noise margin Ordering Code: Order Number DM74LS243M DM74LS243N Package Number M14A N14A Package Description 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150 Narrow 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.