SN74HC138DR Part Information

Details for SN74HC138DR by Texas Instruments

Semiconductors - ICs > Logic > Decoders / Encoders

Buy SN74HC138DR Directly from Texas Instruments (198960 in stock) at $0.0750

Part Description

The SNx4HC138 devices are designed to be used in high-performance memory-decoding or data-routing applications requiring very short propagation delay times. In high-performance memory systems, these decoders can be used to minimize the effects of system decoding. When employed with high-speed memories using a fast enable circuit, the delay times of these decoders and the enable time of the memory are usually less than the typical access time of the memory. This means that the effective system delay introduced by the decoders is negligible.

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Part Features

  • Active Low Outputs ( Selected Output is Low)
  • Incorporate Three Enable Inputs to Simplify
  • Low Input Current of 1-u00b5A Maximum
  • Low Power Consumption, 80-u00b5A Maximum ICC
  • Outputs Can Drive Up To 10 LSTTL Loads
  • Targeted Specifically for High-Speed Memory Decoders and Data-Transmission Systems
  • Typical tpd = 15 ns
  • Wide Operating Voltage Range (2 V to 6 V)
  • u00b14-mA Output Drive at 5 V

Part Specifications

Logic Family / Base Number 74HC138
Logic Type Decoder / Demultiplexer
No. of Outputs 8Outputs
Logic Case Style SOIC
No. of Pins 16Pins
Supply Voltage Min 2V
Supply Voltage Max 6V
RoHS Compliant

Alternative Part Descriptions

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