m74hc4020 STMicroelectronics, m74hc4020 Datasheet - Page 2

• Manufacturer Part Number: m74hc4020
• Description: Hc4020 14 Stage Binary Counter Hc4040 12 Stage Binary Counter
• Manufacturer: STMicroelectronics

M74HC4020
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
LOGIC DIAGRAM
This logic diagram has not be used to estimate propagation delays
2/11
CLOCK
X
CLEAR
H
L
L
PIN DESCRIPTION
9, 7, 6, 5, 3,
2, 4, 13, 12,
14, 15, 1
PIN No
10
11
16
8
SYMBOL
Q1, Q4 to
CLOCK
CLEAR
GND
Q14
Vcc
ADVANCE TO NEXT STATE
ALL OUTPUTS = "L"
OUTPUT STATE
Parallel Outputs
Clock Input (LOW to
HIGH, Edge Triggered)
Reset Inputs
Ground (0V)
Positive Supply Voltage
NO CHANGE
NAME AND FUNCTION