Philips Semiconductors
Binary up/down counter
Product specification
74HC/HCT4516
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
VCC
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
Fig.3 IEC logic symbol.
December 1990
3