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SN74ALS642A - OCTAL BUS TRANSCEIVERS

Download the SN74ALS642A datasheet PDF (SN74ALS641A included). The manufacturer datasheet provides complete specifications, pinout details, electrical characteristics, and typical applications for octal bus transceivers.

Description

SN74ALS641A, SN74ALS642A, SN74AS641 OCTAL BUS TRANSCEIVERS WITH OPENĆCOLLECTOR OUTPUTS SDAS300 MARCH 1995 DW OR N PACKAGE (TOP VIEW) DIR 1 A1 2 A2 3 A3 4 A4 5 A5 6 A6 7 A7 8 A8 9 GND 10 20 VCC 19 OE 18 B1 17 B2 16 B3 15 B4 14 B5 13 B6 12 B7 11 B8 These octal bus transceivers are design

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Note: The manufacturer provides a single datasheet file (SN74ALS641A-etcTI.pdf) that lists specifications for multiple related part numbers.

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Full PDF Text Transcription

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• Bidirectional Bus Transceivers in High-Density 20-Pin Packages • Choice of True or Inverting Logic • Package Options Include Plastic Small-Outline (DW) Packages and Standard Plastic (N) 300-mil DIPs DEVICE SN74ALS641A, SN74AS641 SN74ALS642A LOGIC True Inverting description SN74ALS641A, SN74ALS642A, SN74AS641 OCTAL BUS TRANSCEIVERS WITH OPENĆCOLLECTOR OUTPUTS SDAS300 − MARCH 1995 DW OR N PACKAGE (TOP VIEW) DIR 1 A1 2 A2 3 A3 4 A4 5 A5 6 A6 7 A7 8 A8 9 GND 10 20 VCC 19 OE 18 B1 17 B2 16 B3 15 B4 14 B5 13 B6 12 B7 11 B8 These octal bus transceivers are designed for asynchronous two-way communication between data buses. These devices transmit data from the A bus to the B bus or from the B bus to the A bus, depending upon the level at the direction-control (DIR) input.
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