MC14585BDG Просмотр технического описания (PDF) - ON Semiconductor
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MC14585BDG Datasheet PDF : 7 Pages
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MC14585B
PIN ASSIGNMENT
B2 1
A2 2
(A = B)out 3
(A u B)in 4
(A t B)in 5
(A = B)in 6
A1 7
VSS 8
16 VDD
15 A3
14 B3
13 (A u B)out
12 (A t B)out
11 B0
10 A0
9 B1
BLOCK DIAGRAM
4
(A>B) in
6
(A=B) in
5
(A<B) in (A>B) out
13
10
A0
11
B0
7
A1
(A=B) out
3
9
B1
2
A2
1
B2
(A<B) out
12
15
A3
14
B3
VDD = PIN 16
VSS = PIN 8
A3, B3
A3 > B3
A3 = B3
A3 = B3
A3 = B3
A3 = B3
A3 = B3
A3 = B3
A3 = B3
A3 = B3
A3 = B3
A3 = B3
A3 < B3
TRUTH TABLE (x = Don’t Care)
Inputs
Comparing
Cascading
Outputs
A2, B2 A1, B1 A0, B0 A < B A = B A > B A < B A = B A > B
x
x
A2 > B2
x
x
x
x
x
0
0
1
x
x
x
x
0
0
1
A2 = B2 A1 > B1
x
x
x
x
0
0
1
A2 = B2 A1 = B1 A0 > B0 x
x
x
0
0
1
A2 = B2 A1 = B1 A0 = B0 0
0
x
0
0
1
A2 = B2 A1 = B1 A0 = B0 0
1
x
0
1
0
A2 = B2 A1 = B1 A0 = B0 1
0
x
1
0
0
A2 = B2 A1 = B1 A0 = B0 1
1
x
1
1
0
A2 = B2 A1 = B1 A0 < B0 x
x
x
1
0
0
A2 = B2 A1 < B1
x
A2 < B2
x
x
x
x
x
1
0
0
x
x
x
1
0
0
x
x
x
x
x
x
1
0
0
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