HEF4508 データシートの表示（PDF） - Philips Electronics

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HEF4508

Dual 4-bit latch

Philips Electronics 

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Fig.6 Example of a dual multiplexed bus register with function select using two HEF4508B and one HEF4019B.

FUNCTION SELECT

SA SB FUNCTION

L L inhibit (all L)

H L select A bus

L H select B bus

H

H A1 + B1

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