74HC190 Просмотр технического описания (PDF) - Philips Electronics

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Компоненты Описание

производитель

74HC190

Presettable synchronous BCD decade up/down counter

Philips Electronics 

Philips Semiconductors

Presettable synchronous BCD decade

up/down counter

Product specification

74HC/HCT190

Fig.5 N-stage ripple counter using ripple clock.

Fig.6 Synchronous n-stage counter using ripple carry/borrow.

December 1990

Fig.7 Synchronous n-stage counter with parallel gated carry/borrow.

6

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