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參數(shù)資料
| 型號(hào)： | 74HC181N |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 通用總線功能 |
| 英文描述： | 4-bit arithmetic logic unit |
| 中文描述： | HC/UH SERIES, 4-BIT ARITHMETIC LOGIC UNIT, PDIP24 |
| 封裝： | 0.600 INCH, PLASTIC, SOT-101-1, DIP-24 |
| 文件頁數(shù)： | 4/20頁 |
| 文件大小： | 165K |
| 代理商： | 74HC181N |
1998 Jun 10
4
Philips Semiconductors
Product specification
4-bit arithmetic logic unit
74HC/HCT181
PIN DESCRIPTION
PIN NO.
SYMBOL
NAME AND FUNCTION
1, 22, 20, 18
2, 23, 21, 19
6, 5, 4, 3
7
8
9, 10, 11, 13
12
14
15
16
17
24
B
0
to B
3
A
0
to A
3
S
0
to S
3
C
n
M
F
0
to F
3
GND
A=B
P
C
n+4
G
V
CC
operand inputs (active LOW)
operand inputs (active LOW)
select inputs
carry input
mode control input
function outputs (active LOW)
ground (0 V)
comparator output
carry propagate output (active LOW)
carry output
carry generate output (active LOW)
positive supply voltage
Fig.4 Functional diagram.
ok, halfpage
MBK219
A0
A1
A2
A3
2
23
21
19
1
22
20
18
15
17
14
16
13
11
10
9
B0
B1
B2
B3
Cn
+
4
A=B
F3
F2
F1
F0
G
P
7
Cn
6
5
4
3
8
S0
S1
S2
S3
M
Fig.5 Active HIGH operands - active LOW operands.
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