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MM74HC157 Quad 2-Input Multiplexer
September 1983
Revised February 1999




MM74HC157
Quad 2-Input Multiplexer

General Description The 74HC logic family is functionally as well as pin-out
compatible with the standard 74LS logic family. All inputs
The MM74HC157 high speed Quad 2-to-1 Line data selec- are protected from damage due to static discharge by inter-
tor/Multiplexers utilizes advanced silicon-gate CMOS tech- nal diode clamps to VCC and ground.
nology. It possesses the high noise immunity and low
power consumption of standard CMOS integrated circuits,
as well as the ability to drive 10 LS-TTL loads. Features
This device consists of four 2-input digital multiplexers with s Typical propagation delay: 14 ns data to any output
common select and STROBE inputs. When the STROBE s Wide power supply range: 2