hef4526b NXP Semiconductors, hef4526b Datasheet - Page 4

• Manufacturer Part Number: hef4526b
• Description: Programmable 4-bit Binary Down Counter
• Manufacturer: NXP Semiconductors

Philips Semiconductors
SINGLE STAGE OPERATION
Divide-by-n; MR = LOW; CF = HIGH; CP
January 1995
TC
TC
TC
TC
TC
TC
TC
TC
TC
TC
TC
TC
TC
TC
TC
TC
PL
Programmable 4-bit binary down counter
L
P
X
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
3
P
H
H
H
H
H
H
H
H
X
L
L
L
L
L
L
L
L
2
P
X
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
1
P
X
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
0
DIVIDE
BY
16
15
14
13
12
10
11
9
8
7
6
5
4
3
2
1
no operation
1
= LOW
PULSE WIDTH
TC OUTPUT
one clock
clock pulse
period
Fig.3 State diagram.
HIGH
4
Product specification
HEF4526B
MSI