74HC4520 Datasheet, PDF (3/7 Pages) NXP Semiconductors – Dual 4-bit synchronous binary counter

Philips Semiconductors
Dual 4-bit synchronous binary counter
Product specification
74HC/HCT4520
PIN DESCRIPTION
PIN NO.
1, 9
2, 10
3, 4, 5, 6
7, 15
8
11, 12, 13, 14
16
SYMBOL
1CP₀, 2CP₀
1CP₁, 2CP₁
1Q₀ to 1Q₃
1MR, 2MR
GND
2Q₀ to 2Q₃
V_CC
NAME AND FUNCTION
clock inputs (LOW-to-HIGH, edge-triggered)
clock inputs (HIGH-to-LOW, edge-triggered)
data outputs
asynchronous master reset inputs (active HIGH)
ground (0 V)
data outputs
positive supply voltage
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
December 1990
3