MAQ2901CD 데이터 시트보기 (PDF) - Zarlink Semiconductor Inc
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MAQ2901CD Datasheet PDF : 13 Pages
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Octal
I 5,4,3 /I 2,1,0
40
41
45
46
30
31
35
36
60
61
65
66
70
71
75
76
72
73
74
77
Group
AND
OR
EX-OR
EX-NOR
INVERT
62
63
64
PASS
67
32
33
34
PASS
37
40
43
44
‘ZERO’
47
50
51
55
AND
56
+ = plus; - = minus; V = OR; Λ = AND; ∇ = EX-OR
Function
AΛQ
AΛB
DΛA
DΛQ
AVQ
AVB
DV A
DV Q
A∇Q
A∇B
D∇ A
D∇ Q
AN ∇ QN
AN ∇ BN
DN ∇ AN
DN ∇ QN
Q
B
A
D
Q
B
A
D
Q
B
A
D
0
0
0
0
AN Λ Q
AN Λ B
DN Λ A
DN Λ Q
Figure 6: ALU Logic Mode Functions (Cn Irrelevant)
Octal
I 5,4,3/I 2,1,0
00
01
05
06
02
03
04
07
12
13
14
27
22
23
24
17
10
11
15
16
20
21
25
26
Cn=0(Low)
Group
ADD
PASS
Decrement
1s comp
SUBTRACT
(1s comp)
Function
A+Q
A+B
D+A
D+Q
Q
B
A
D
Q-1
B-1
A-1
D-1
-Q-1
-B-1
-A-1
-D-1
Q - A -1
B - A-1
A - D-1
Q - D-1
A - Q-1
A - B-1
D - A-1
D - Q-1
Cn = 1 (High)
Group
ADD
plus one
Increment
PASS
2s comp
(negate)
SUBTRACT
(2s comp)
Function
A + Q +1
A + B +1
D + A +1
D+Q+1
Q +1
B+1
A+1
D+1
Q
B
A
D
-Q
-B
-A
-D
Q-A
B-A
A-D
Q-D
A-Q
A-B
D-A
D-Q
Figure 7: ALU Arithmetic Mode Functions
MA2901
5
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