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SN54HCT139 Datasheet

Dual 2-line To 4-line Decoders/demultiplexers

Manufacturer: Texas Instruments

SN54HCT139 Overview

The ’HCT139 devices are designed for highperformance memory-decoding or data-routing applications requiring very short propagation delay times. Pin numbers shown are for the D, DB, J, N, PW, and W packages. Logic Diagram (Positive Logic) 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...

SN54HCT139 Key Features

  • Operating voltage range of 4.5 V to 5.5 V
  • Outputs can drive up to 10 LSTTL loads
  • Low power consumption, 80-µA max ICC
  • Typical tpd = 10 ns
  • ±4-mA output drive at 5 V
  • Low input current of 1 µA max
  • Inputs are TTL-voltage patible
  • Designed specifically for high-speed memory
  • Incorporate two enable inputs to simplify

SN54HCT139 Distributor