What is 74HC154?


This is 4-to-16 line decoder/demultiplexer.

A demultiplexer, also known as a "demux," is a digital circuit that takes a single input signal and directs it to one of several possible outputs. It is essentially the reverse of a multiplexer, which takes multiple inputs and directs them to a single output.


[PDF] Complete Technical Details can be found in the 74HC154 datasheet provided at this page.

Summary in PDF File


INTEGRATED CIRCUITS DATA SHEET For a complete data sheet please also download The IC06 74HC HCT HCU HCMOS Logic Family Specifications The IC06 74HC HCT HCU HCMOS Logic Package Information The IC06 74HC HCT HCU HCMOS Logic Package Outlines 74HC HCT154 4 to 16 line decoder demultiplexer Product speci cation File under Integrated Circuits IC06 September 1993 Philips Semiconductors Product speci cation 4 to 16 line decoder demultiplexer FEATURES 16 line demultiplexing capability Decodes 4 binary coded inputs into one of 16 mutually exclusive outputs 2 input enable gate for strobing or expansion Output capability standard ICC category MSI GENERAL DESCRIPTION The 74HC HCT154 are high speed Si gate CMOS devices and are pin compatible with low power Schottky TTL LSTTL They are specified in compliance with JEDEC standard no 7A QUICK REFERENCE DATA GND 0 V Tamb 25 C tr tf 6 ns 74HC HCT154 The 74HC HCT154 decoders accept four active HIGH binary address inputs and provide 16 mutually exclusive active LOW outputs The 2 input enable gate can be used to strobe the decoder to eliminate the normal decoding glitches on the outputs or it can be used for the expansion of the decoder The enable gate has two A

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[ Detailed Data ]


The basic design of a demultiplexer involves using a set of logic gates to decode the control signals and direct the input signal to the selected output channel. The input signal is usually passed through a series of AND gates, with each gate corresponding to one of the possible output channels. The control signals are used to enable the appropriate AND gate, while the other gates are disabled.

Manufacturers : Philips

PHILIPS - 74HC154 Datasheet PDF

PHILIPS 74HC154 MULTIPLEXER

4-to-16 line decoder/demultiplexer

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