HEF4534B 데이터 시트보기 (PDF) - Philips Electronics

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HEF4534B

LSI Real time 5-decade counter

Philips Electronics 

Philips Semiconductors

Real time 5-decade counter

APPLICATION INFORMATION

Product specification

HEF4534B

LSI

Fig.9 Two HEF4534B ICs connected for cascade operation. TC is HIGH for a single clock period when all five

BCD decades go to zero. TC also goes HIGH when MR is applied.

Fig.10 Forcing a decade to the On outputs. When the On outputs of a given decade are required, this

configuration will lock-up the selected decade within four clock cycles. The select line feed back may be

hardwired or switched.

January 1995

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