HCTS85MS Datasheet, PDF (2/10 Pages) Intersil Corporation – Radiation Hardened 4-Bit Magnitude Comparator

HCTS85MS
Functional Block Diagram
1
B3
15
A3
14
B2
13
A2
B3
A2
B3
B2
A3
A3
B3
A3
A1
B2
B1
B2
A2
A2
B1
11
B1
B1
12
A1
A1
4
A1
(A>B)
IN
B0
B0
A0
9
B0
B0
B0
10
A0
A0
A0
3
(A=B)
IN
2
(A<B)
IN
A0
A1
B1
A3
B3
A2
B2
COMPARING INPUTS
TRUTH TABLE
CASCADING INPUTS
A3, B3 A2, B2 A1, B1 A0, B0 A>B A<B A=B
A3>B3
X
X
X
X
X
X
A3<B3
X
X
X
X
X
X
A3=B3 A2>B2
X
X
X
X
X
A3=B3 A2<B2
X
X
X
X
X
A3=B3 A2=B2 A1>B1
X
X
X
X
A3=B3 A2=B2 A1<B1
X
X
X
X
A3=B3 A2=B2 A1=B1 A0>B0
X
X
X
A3=B3 A2=B2 A1=B1 A0<B0
X
X
X
A3=B3 A2=B2 A1=B1 A0=B0
H
L
L
A3=B3 A2=B2 A1=B1 A0=B0
L
H
L
A3=B3 A2=B2 A1=B1 A0=B0
L
L
H
A3=B3 A2=B2 A1=B1 A0=B0
X
X
H
A3=B3 A2=B2 A1=B1 A0=B0
H
H
L
A3=B3 A2=B2 A1=B1 A0=B0
L
L
L
NOTE: L = Logic Level Low, H = Logic Level High, x = Immaterial
OUTPUTS
A>B A<B A=B
H
L
L
L
H
L
H
L
L
L
H
L
H
L
L
L
H
L
H
L
L
L
H
L
H
L
L
L
H
L
L
L
H
L
L
H
L
L
L
H
H
L
2
7 _(A<B)
OUT
6
(A=B)
OUT
5 _(A>B)
OUT
Single Device
OR
Series Cascading
Parallel Cascading
Spec Number 518624