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CD4020BC Schematic ( PDF Datasheet ) - National Semiconductor

Teilenummer CD4020BC
Beschreibung 14-Stage/ 12-Stage Ripple Carry Binary Counters
Hersteller National Semiconductor
Logo National Semiconductor Logo 




Gesamt 6 Seiten
CD4020BC Datasheet, Funktion
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






CD4020BC Datasheet, Funktion
Physical Dimensions inches (millimeters)
Ceramic Dual-In-Line Package (J)
Order Number CD4020BMJ CD4020BCJ
CD4040BMJ CD4040BCJ CD4060BMJ or CD4060BCJ
NS Package Number J16A
Molded Dual-In-Line Package (N)
Order Number CD4020BMN CD4020BCN
CD4040BMN CD4040BCN CD4060BMN or CD4060BCN
NS Package Number N16E
LIFE SUPPORT POLICY
NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL
SEMICONDUCTOR CORPORATION As used herein
1 Life support devices or systems are devices or
systems which (a) are intended for surgical implant
into the body or (b) support or sustain life and whose
failure to perform when properly used in accordance
with instructions for use provided in the labeling can
be reasonably expected to result in a significant injury
to the user
2 A critical component is any component of a life
support device or system whose failure to perform can
be reasonably expected to cause the failure of the life
support device or system or to affect its safety or
effectiveness
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