INTEGRATED CIRCUITS 74F157*, 74F157A, 74F158*, 74F158A Data selectors/multiplexers * Discontinued part.
Please see the Discontinued Product List in Section 1, page 21.
Product specification IC15 Data Handbook 1996 Mar 12 Philips Semiconductors Philips Semiconductors Product specification Data selectors/multiplexers 74F157A: 74F158A: DESCRIPTION The 74F157A is a high speed Quad 2-Input Multiplexer which selects 4 bits of data from one of two sources under the control of a common Select input (S).
The Enable input (E) is active when Low.
When E is High, all of the outputs (Yn) are forced Low regardless of all other input conditions.
Moving data from two registers to a common output bus ...

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