CD4020 データシートの表示（PDF） - National ->Texas Instruments
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CD4020 Datasheet PDF : 6 Pages
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February 1988
CD4020BM CD4020BC
14-Stage Ripple Carry Binary Counters
CD4040BM CD4040BC
12-Stage Ripple Carry Binary Counters
CD4060BM CD4060BC
14-Stage Ripple Carry Binary Counters
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
Features
Y Wide supply voltage range
Y High noise immunity
Y Low power TTL
compatibility
Y Medium speed operation
Y Schmitt trigger clock input
1 0V to 15V
0 45 VDD (typ )
Fan out of 2 driving 74L
or 1 driving 74LS
8 MHz typ at VDD e 10V
Connection Diagrams
Dual-In-Line Package
CD4020BM CD4020BC
Order Number CD4020B CD4040B or CD4060B
Top View
Dual-In-Line Package
CD4040BM CD4040BC
TL F 5953 – 1
Dual-In-Line Package
CD4060BM CD4060BC
Top View
C1995 National Semiconductor Corporation TL F 5953
TL F 5953 – 2
Top View
TL F 5953 – 3
RRD-B30M105 Printed in U S A
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