SN74HC138D Part Information

Details for SN74HC138D by Texas Instruments

Semiconductors - ICs > Logic > Decoders / Encoders

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
Logic IC Family 74HC
Logic IC Base Number 74138, 74138
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
Applications Data Transmission Systems Memory Decoders
Base Number 74
IC Applications Data Transmission Systems Memory Decoders
Logic Function Number 74138
Logic IC Function 3-to-8 Line Decoder/Demultiplexer
Operating Temperature Range -40°C to +85°C
Output Current Max 5.2mA
Supply Voltage 5V
Supply Voltage Range 2V to 6V
Termination Type Surface Mount Device
RoHS Compliant

Alternative Part Descriptions

  • DECODER/DEMULTIPLIER, SMD, SOIC16; 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; Logic IC RoHS Compliant: Yes | Newark Electronics
  • Decoder/Demultiplexer Single 3-to-8 16-Pin SOIC Tube | Avnet America
  • IC: digital; 3-to-8 lines,decoder,demultiplexer; IN: 3; SMD; SO16 | Transfer Multisort Elektronik
  • 3 to 8 Line Decoder SO16 | Schukat Electronic
  • 3-Line To 8-Line Decoders/Demultiplexers | Texas Instruments
  • [Texas Instruments] SN74HC138D | Distrelec

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