74HC191 Просмотр технического описания (PDF) - NXP Semiconductors.

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74HC191

Presettable synchronous 4-bit binary up/down counter

NXP Semiconductors. 

Nexperia:

74HC191DB 74HC191PW 74HC191D,652 74HC191DB,112 74HC191DB,118 74HC191D,653 74HC191N,652

74HC191PW,112 74HC191PW,118 74HCT191D,652 74HCT191N,652 74HC191D/AUJ

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