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HD74HC155

Hitachi Semiconductor
Part Number HD74HC155
Manufacturer Hitachi Semiconductor
Description Dual 2-to-4-line Decoders/Demultiplexers
Published Mar 23, 2005
Detailed Description HD74HC155 Dual 2-to-4-line Decoders/Demultiplexers Description This circuit features dual 1-line-to-4-line demultiplexe...
Datasheet PDF File HD74HC155 PDF File

HD74HC155
HD74HC155

Overview
HD74HC155 Dual 2-to-4-line Decoders/Demultiplexers Description This circuit features dual 1-line-to-4-line demultiplexer with individual strobes and common binary-address input.
When both sections are enabled by the strobes, the common binary-address inputs sequentially select and route associated input data to the appropriate output of each section.
The individual strobes permit activating or inhibiting each of the 4-bit sections as desired.
Data applied to input 1C is inverted through its outputs.
The inverter following the 1C data input permits use as a 3-to-8-line decoder or 1-to-8line demultiplexer without external gating.
Features • • • • • High Speed Operation: tpd (A or B to Y) = 1...


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