Motorola CMOS Logic Manual page 548

WORD
B = B11 B10
WORD
A = A11 A10
OUTPUTS
15
A3
14
B3
2
A2
1
B2
7
A1
9
B1
10
A0
11
B0
5
(A < B) in
6
(A = B) in
4
(A > B) in
MC14585B
6–510
B9 B8 B7 B6 B5
A9 A8 A7 A6
MC14585B
MC14585B
Figure 3. Cascading Comparators
LOGIC DIAGRAM
B4 B3 B2 B1
A5 A4 A3 A2 A1
B3 A3 B2 A2 B1 A1 B0 A0
OUTPUT
MC14585B
WORD B = B11, B10, ... , B0.
WORD A = A11, A10, ... , A0.
MOTOROLA CMOS LOGIC DATA
B0
A0
V SS V DD V SS
INPUTS
12
(A < B) out
3
(A = B) out
13
(A > B) out