Download SN54HC640 Datasheet PDF
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SN54HC640 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. Pinout Top View An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers.

SN54HC640 Key Features

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