參數(shù)資料
型號(hào): 74HC181
廠商: NXP Semiconductors N.V.
英文描述: 4-bit arithmetic logic unit
中文描述: 4位算術(shù)邏輯單元
文件頁(yè)數(shù): 4/20頁(yè)
文件大?。?/td> 165K
代理商: 74HC181
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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
74HC181D 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:4-bit arithmetic logic unit
74HC181D-T 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Fixed Point ALU
74HC181N 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:4-bit arithmetic logic unit
74HC181N3 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:4-bit arithmetic logic unit
74HC182 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Look-ahead carry generator