Function : High-Speed CMOS Logic Quad 2-Input Multiplexers
Maker : Texas Instruments
The ’HC157, ’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.
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Others datasheet of same file : 5962-9070201MEA,5962-9070301MEA,74HC157,74HCT157,CD54HC157F