M54HC390F1R 데이터 시트보기 (PDF) - STMicroelectronics

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M54HC390F1R

DUAL DECADE COUNTER

STMicroelectronics 

M54/M74HC390

TIMING CHART

(1) BCD COUNT SEQUENCE *

(2) BI-QUINARY COUNT SEQUENCE **

*OUTPUT QA IS CONNECTED TO INPUT CLOCK B

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