Datasheet

2
Functional Diagram
9
5
6
12
1
3
2
15
10
INPUT
Q1’
Q4
Q5
Q6
Q7
Q8
Q9
Q10
11
MASTER
Q11
Q12
Q13
Q14
7
4
13
14
8
GND
V
CC
16
PULSES
RESET
BUFFERED
OUTPUTS
14-STAGE
RIPPLE
COUNTER
TRUTH TABLE
CP COUNT MR OUTPUT STATE
↑ L No Change
↓ L Advance to Next State
X H All Outputs Are Low
H = High Voltage Level, L = Low Voltage Level, X = Don’t Care,
↑ = Transition from Low to High Level, ↓ = Transition from High to Low.
CD54HC4020, CD74HC4020, CD54HCT4020, CD74HCT4020