hcts190ms Intersil Corporation, hcts190ms Datasheet - Page 2

• Manufacturer Part Number: hcts190ms
• Description: Radiation Hardened Synchronous 4-bit Up/down Counter
• Manufacturer: Intersil Corporation

Functional Diagram
H = High Level
L = Low Level
X = Immaterial
NOTE: U/D or CE should be changed only when clock is high.
U/D
CE
CP
PL
11
14
Count Up
Count Down
Asynchronous Preset
No Change
4
5
= Transition from low to high
FUNCTION
15
PL
CP
P
T
FF0
P0
Q
Q
3
Q0
1
P1
CP
PL
P
T
FF1
P;
H
H
H
L
Q
Q
2
Q1
HCTS190MS
TRUTH TABLE
10
2
CE
P2
H
L
L
X
CP
PL
P
T
FF2
Q
Q
6
Q2
U/D
H
L
X
X
9
Spec Number
P3
CP
P
T
PL
FF3
Q
Q
CP
X
X
518614
Q3
RC
TC
13
12
7