74HCT4020D View Datasheet(PDF) - Philips Electronics
Part Name
Description
View to exact match
74HCT4020D Datasheet PDF : 7 Pages
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Philips Semiconductors
14-stage binary ripple counter
Fig.4 Functional diagram.
Fig.5 Logic diagram.
Product specification
74HC/HCT4020
FUNCTION TABLE
INPUTS
CP
MR
↑
L
↓
L
X
H
OUTPUTS
Q0, Q3 to Q13
no change
count
L
Notes
1. H = HIGH voltage level
L = LOW voltage level
X = don’t care
↑ = LOW-to-HIGH clock
transition
↓ = HIGH-to-LOW clock
transition
September 1993
Fig.6 Timing diagram.
4
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