CD4020BM General Description

The CD4020BM/CD4020BC, CD4060BM/CD4060BC are 14-stage ripple carry binary counters, and the CD4040BM/

CD4040BC is a 12-stage ripple carry binary counter. The counters are advanced one count on the negative transition of each clock pulse. The counters are reset to the zero state by a logical ‘‘1’’ at the reset input independent of clock.

CD4020BM 特性

*Wide supply voltage range 1.0V to 15V

*High noise immunity 0.45 V DD (typ.)

*Low power TTL Fan out of 2 driving 74L compatibility or 1 driving 74LS

*Medium speed operation 8 MHz typ. at VDD=10V

*Schmitt trigger clock input

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