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74HC158

Part Number	74HC158
Manufacturer	Harris
Description	High Speed CMOS Logic Quad 2-Input Multiplexers
Published	May 28, 2005
Detailed Description	S E M I C O N D U C T O R CD74HC157, CD74HCT157, CD74HC158, CD74HCT158 High Speed CMOS Logic Quad 2-Input Multiplexers ...
Datasheet	74HC158 PDF File

Overview

S E M I C O N D U C T O R CD74HC157, CD74HCT157, CD74HC158, CD74HCT158 High Speed CMOS Logic Quad 2-Input Multiplexers Description The Harris CD74HC157, CD74HCT157, CD74HC158 and CD74HCT158 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 noninverting 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 in...

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