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SN74BCT25642 - Octal Bus Transceiver

Description

This 25-Ω octal bus transceiver is designed for asynchronous communication between data buses.

The device transmits 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.

Features

  • Open-Collector Outputs That Provide 188-mA IOL to Allow for Heavy DC Loading on Open-Collector Outputs.
  • Eliminates Need for 3-State Overlap Protection on A Ports.
  • Package Options Include Plastic Small-Outline (DW) Packages and Standard Plastic 300-mil DIPs (NT) SN74BCT25642 25ĆΩ OCTAL BUS.

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Full PDF Text Transcription

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• State-of-the-Art BiCMOS Design Significantly Reduces ICCZ • ESD Protection Exceeds 2000 V Per MIL-STD-883C, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0) • Designed to Facilitate Incident-Wave Switching for Line Impedances of 25 Ω or Greater • Distributed VCC and GND Pins Minimize Noise Generated by the Simultaneous Switching of Outputs • The A Port Features Open-Collector Outputs That Provide 188-mA IOL to Allow for Heavy DC Loading on Open-Collector Outputs • Eliminates Need for 3-State Overlap Protection on A Ports • Package Options Include Plastic Small-Outline (DW) Packages and Standard Plastic 300-mil DIPs (NT) SN74BCT25642 25ĆΩ OCTAL BUS TRANSCEIVER ą SCBS047C − DECEMBER 1989 − REVISED NOVEMBER 1993 DW OR NT PACKAGE (TOP VIEW) A1 1 GND 2 A2 3 A3 4 GND 5 A4 6
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