High Speed CMOS Logic Quad 2-Input Multiplexers

The CD74HCT157 , ?HCT157, ?HC158, and ?HCT158 are quad 2-input multiplexers which select four bits of data from two sources under the control of a common Select input (S). The Enable input (E) is active Low. When (E) is High, all of the outputs in the 158, the inverting type, (1Y-4Y) are forced High and in the 157, the non-inverting type, all of the outputs (1Y-4Y) are forced Low, regardless of all other input conditions.
Moving data from two groups of Registers to four common output busses is a common use of these devices. The state of the Select input determines the particular Register from which the data comes. They CAN also be used as function generators.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
CD74HCT157M Texas Instruments High Speed CMOS Logic Quad 2-Input Multiplexers 16-SOIC -55 to 125
CD74HCT157M96G4 Texas Instruments High Speed CMOS Logic Quad 2-Input Multiplexers 16-SOIC -55 to 125
CD74HCT157ME4 Texas Instruments HCT SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16, GREEN, PLASTIC, MS-012AC, SOIC-16
CD74HCT157E Texas Instruments High Speed CMOS Logic Quad 2-Input Multiplexers 16-PDIP -55 to 125
CD74HCT157MTG4 Texas Instruments HCT SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16, GREEN, PLASTIC, MS-012AC, SOIC-16
CD74HCT157EE4 Texas Instruments HCT SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDIP16, ROHS COMPLIANT, PLASTIC, DIP-16
CD74HCT157M96E4 Texas Instruments High Speed CMOS Logic Quad 2-Input Multiplexers 16-SOIC -55 to 125
CD74HCT157M96 Texas Instruments High Speed CMOS Logic Quad 2-Input Multiplexers 16-SOIC -55 to 125
CD74HCT157MG4 Texas Instruments High Speed CMOS Logic Quad 2-Input Multiplexers 16-SOIC -55 to 125
CD74HCT157MT Texas Instruments High Speed CMOS Logic Quad 2-Input Multiplexers 16-SOIC -55 to 125
CD74HCT157 's PackagesCD74HCT157 's pdf datasheet
CD74HCT157E PDIP
CD74HCT157EE4 PDIP
CD74HCT157M SOIC
CD74HCT157M96 SOIC
CD74HCT157M96E4 SOIC
CD74HCT157M96G4 SOIC
CD74HCT157ME4 SOIC
CD74HCT157MG4 SOIC
CD74HCT157MT SOIC
CD74HCT157MTE4 SOIC
CD74HCT157MTG4 SOIC




CD74HCT157 Pinout, Pinouts
CD74HCT157 pinout,Pin out
This is one package pinout of CD74HCT157,If you need more pinouts please download CD74HCT157's pdf datasheet.

CD74HCT157 Application circuits
CD74HCT157 circuits
This is one application circuit of CD74HCT157,If you need more circuits,please download CD74HCT157's pdf datasheet.


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CD74HCT157 Application Notes CD74HCT157 RoHS CD74HCT157 Circuits CD74HCT157 footprint
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