74HC4510 Datasheet, PDF (3/12 Pages) NXP Semiconductors – BCD up/down counter

Philips Semiconductors
BCD up/down counter
PIN DESCRIPTION
PIN NO.
1
4, 12, 13, 3
5
6, 11, 14, 2
7
8
9
10
15
16
SYMBOL
PL
D₀ to D₃
CE
Q₀ to Q₃
TC
GND
MR
UP/DN
CP
V_CC
Product specification
74HC/HCT4510
NAME AND FUNCTION
parallel load input (active HIGH)
parallel inputs
count enable input (active LOW)
parallel outputs
terminal count output (active LOW)
ground (0 V)
asynchronous master reset input (active HIGH)
up/down control input
clock input (LOW-to-HIGH, edge-triggered)
positive supply voltage
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
December 1990
3