HCS193MS Datasheet, PDF (2/9 Pages) Intersil Corporation – Radiation Hardened Synchronous 4-Bit Up/Down Counter

HCS193MS
Functional Diagram
P0
15
P1
1
P2
10
P3
9
14
MR
11
PL
5
CPU
PL R
PQ
FF0
CL Q
4
CPD
8
GND
16
VCC
PL R
PQ
FF1
CL Q
PL R
PQ
FF2
CL Q
PL R
PQ
FF3
CL Q
12
TCU
13
TCD
3
Q0
2
Q1
6
Q2
7
Q3
FUNCTION
CLOCK UP
Count Up
Count Down
H
Reset
X
Load Preset Inputs
X
H = High Level, L = Low Level, X = Immaterial,
TRUTH TABLE
CLOCK DOWN
H
X
X
= Transition from low to high
RESET
L
L
H
L
PARALLEL LOAD
H
H
X
L
Spec Number 518759
271