MM74C157 - Quad 2-Input Multiplexers

National

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Datasheet Details

Part number	MM74C157
Manufacturer	National
File Size	100.42 KB
Description	Quad 2-Input Multiplexers
Datasheet	MM74C157_NationalSemiconductor.pdf

MM74C157 Product details

Description

These multiplexers are monolithic complementary MOS (CMOS) integrated circuits constructed with N- and P-channel enhancement transistors They consist of four 2-input multiplexers with common select and enable inputs When the enable input is at logical ‘‘0’’ the four outputs assume the values as selected from the inputs When the enable input is at logical ‘‘1’’ the outputs assume logical ‘‘0’’ Select decoding is done internally resulting in a single select input only

Features

Y Y Y Y Supply voltage range High noise immunity Low power Tenth power TTL compatible 3V to 15V 0 45 VCC (typ ) 50 nW (typ ) Drive 2 LPTTL loads Logic Connection Diagrams Dual-In-Line Package TL F 5894.
2 Top View Order Number MM54C157 or MM74C157 TL F 5894.
1 Truth Table Enable 1 0 0 0 0 Select X 0 0 1 1 A X 0 1 X X B X X X 0 1 Output Y 0 0 1 0 1 Guaranteed Noise Margin as a Function of VCC 74L Compatibility TL F 5894.
4 TL F 5894.
3 C1995 Nationa.

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Published: May 9, 2005 |