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SN54HC640 Datasheet OCTAL BUS TRANSCEIVERS

Manufacturer: Texas Instruments

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General Description

The SNx4HC640 is an octal bus transceiver with 3state outputs.

All eight channels are controlled by the direction (DIR) pin and output enable OE pin.

PART NUMBER SN54HC640 SN74HC640 Device Information(1) PACKAGE BODY SIZE (NOM) J (CDIP, 20) 26.92 mm × 6.92 mm DW (SOIC, 20) 12.80 mm × 7.50 mm N (PDIP, 20) 25.40 mm × 6.35 mm NS (SO, 20) 15.00 mm × 5.30 mm PW (TSSOP, 20) 4.40 mm × 6.50 mm (1) For all available packages, see the orderable addendum at the end of the data sheet.

Overview

SN54HC640, SN74HC640 SCLS303E – JANUARY 1996 – REVISED SEPTEMBER 2022 SNx4HC640 Octal Bus Transceivers With 3-State Outputs.

Key Features

  • Wide operating voltage range of 2V to 6V.
  • High-Current 3-state outputs can drive up to 10 LSTTL loads.
  • Low power consumption, 80-µA max ICC.
  • Typical tpd = 8ns.
  • ±4-mA output drive at 5V.
  • Low input current of 1µA max.
  • Inverting logic 2.

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