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SN74LS139 Datasheet PDF

Part Series:SN74LS139 Series
Category:Logic ICs
Description:TEXAS INSTRUMENTS SN74LS139AN Decoder / Demultiplexer, LS Family, 2:4, 4.75V to 5.25V, DIP-16
Document:SN74LS139ANSR Datasheet PDF (35 Pages)

SN74LS139 Datasheet PDF Logic ICs

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SN74LS139AN - TI Specifications

TYPE
DESCRIPTION
Mounting Style
Through Hole
Number of Pins
16 Pin
Supply Voltage (DC)
4.75V ~ 5.25V
Case/Package
PDIP-16
Number of Outputs
4 Output
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SN74LS139AN - TI Function Overview

The SN74LS139AN is a Dual 2-line to 4-line Decoder/Demultiplexer, Schottky-clamped TTL MSI circuit, 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 utilizing 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 Schottky-clamped system decoder is negligible. The circuit comprises two individual two-line to four-line decoders in a single package. The active-low enable input can be used as a data line in demultiplexing applications.
Designed specifically for high-speed memory decoders and data transmission systems
Two fully independent 2- to 4-line decoders/demultiplexers
Schottky-clamped for high performance
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