74hct4516 NXP Semiconductors, 74hct4516 Datasheet - Page 4

• Manufacturer Part Number: 74hct4516
• Description: Binary Up/down Counter
• Manufacturer: NXP Semiconductors

Philips Semiconductors
December 1990
Binary up/down counter
Fig.4 Functional diagram.
Fig.5 Timing diagram.
4
FUNCTION TABLE
Notes
1. H = HIGH voltage level
L
L
L
L
H
MR
L = LOW voltage level
X = don’t care
= LOW-to-HIGH clock transition
H
L
L
L
X
PL
X
X
L
H
X
UP/DN
X
H
L
L
X
CE
74HC/HCT4516
X
X
X
CP
Product specification
parallel load
no change
count down
count up
reset
MODE