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See Technical Specifications

SN74HC138NSR

3-Line To 8-Line Decoders/Demultiplexers

Manufacturer:

TI
Mfr.Part #:

SN74HC138NSR
Datasheet:

SN74HC138NSR Datasheet (PDF)
Technology family:

HC
Number of channels:

1
Operating temperature range (°C):

-40 to 85
Rating:

Catalog
EDA/CAD Models:

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SN74HC138NSR General 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.

Key Features

Targeted Specifically for High-Speed Memory Decoders and Data-Transmission Systems
Wide Operating Voltage Range (2 V to 6 V)
Outputs Can Drive Up To 10 LSTTL Loads
Low Power Consumption, 80-µA Maximum I_CC
Typical t_pd = 15 ns
±4-mA Output Drive at 5 V
Low Input Current of 1-µA Maximum
Active Low Outputs ( Selected Output is Low)
Incorporate Three Enable Inputs to Simplify Cascading or Data Reception