參數(shù)資料
型號： 74F181
廠商： National Semiconductor Corporation
英文描述： 4-Bit Arithmetic Logic Unit(4位算術(shù)邏輯單元)
中文描述： 4位算術(shù)邏輯單元（4位算術(shù)邏輯單元）
文件頁數(shù)： 3/10頁
文件大?。?/td> 218K
代理商： 74F181
’F181 Operation Table
Logic
(M
e
H)
Arithmetic
(M
e
L, C
0
e
Inactive)
Arithmetic
(M
e
L, C
0
e
Active)
S
0
S
1
S
2
S
3
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
L
L
H
H
H
H
L
L
L
L
H
H
H
H
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
A
A minus 1
A
#
B minus 1
A
#
B minus 1
minus 1 (2s comp.)
A plus (A
a
B)
A
#
B plus (A
a
B)
A minus B minus 1
A
a
B
A plus (A
a
B)
A plus B
A
#
B plus (A
a
B)
A
a
B
A plus A (2
c
A)
A plus A
#
B
A plus A
#
B
A
A
A
#
B
A
a
B
Logic ‘‘1’’
A
a
B
B
A
Z
B
A
a
B
A
#
B
A
Z
B
B
A
a
B
Logic ‘‘0’’
A
#
B
A
#
B
A
A
#
B
A
#
B
Zero
A plus (A
a
B) plus 1
A
#
B plus (A
a
B) plus 1
A minus B
A
a
B plus 1
A plus (A
a
B plus 1
A plus B plus 1
A
#
B plus (A
a
B) plus 1
A
a
B plus 1
A plus A (2
c
A) plus 1
A plus A
#
B plus 1
A plus A
#
B plus 1
A plus 1
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
L
L
H
H
H
H
L
L
L
L
H
H
H
H
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
A
A
A plus 1
A
a
B plus 1
A
a
B plus 1
Zero
A plus A
#
B plus 1
A
#
B plus (A
a
B) plus 1
A minus B
A
#
B
A plus A
#
B plus 1
A plus B plus 1
A
#
B plus (A
a
B) plus 1
A
#
B
A plus A (2
c
A) plus 1
A plus (A
a
B) plus 1
A plus (A
a
B) plus 1
A
A
a
B
A
#
B
Logic ‘‘0’’
A
#
B
B
A
Z
B
A
#
B
A
a
B
A
Z
B
B
A
#
B
Logic ‘‘1’’
A
a
B
A
a
B
A
A
a
B
A
a
B
minus 1 (2s comp.)
A plus (A
#
B)
A
#
B plus (A
a
B)
A minus B minus 1
A
#
B minus 1
A plus A
#
B
A plus B
A
#
B plus (A
a
B)
A
#
B minus 1
A plus A (2
c
A)
A plus (A
a
B)
A plus (A
a
B)
A minus 1
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
L
L
H
H
H
H
L
L
L
L
H
H
H
H
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
A
A minus 1
A
#
B minus 1
A
#
B minus 1
minus 1 (2s comp.)
A plus (A
a
B)
A
#
B plus (A
a
B)
A plus B
A
a
B
A plus (A
a
B)
A minus B minus 1
A
#
B plus (A
a
B)
A
a
B
A plus A (2
c
A)
A plus A
#
B
A plus A
#
B
A
A
A
a
B
A
#
B
Logic ‘‘1’’
A
#
B
B
A
Z
B
A
a
B
A
a
B
A
Z
B
B
A
a
B
Logic ‘‘0’’
A
#
B
A
#
B
A
A
#
B
A
#
B
Zero
A plus (A
a
B) plus 1
A
#
B plus (A
a
B) plus 1
A plus B plus 1
A
a
B plus 1
A plus (A
a
B) plus 1
A minus B
A
#
B plus (A
a
B) plus 1
A
a
B plus 1
A plus A (2
c
A) plus 1
A plus A
#
B plus 1
A plus A
#
B plus 1
A plus 1
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
L
L
H
H
H
H
L
L
L
L
H
H
H
H
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
A
A
A plus 1
A
a
B plus 1
A
a
B plus 1
Zero
A plus A
#
B plus 1
A
#
B plus (A
a
B) plus 1
A plus B plus 1
A
#
B
A plus A
#
B plus 1
A minus B
A
#
B plus (A
a
B) plus 1
A
#
B
A plus A (2
c
A) plus 1
A plus (A
a
B) plus 1
A plus (A
a
B) plus 1
A
A
#
B
A
a
B
Logic ‘‘0’’
A
a
B
B
A
Z
B
A
#
B
A
#
B
A
Z
B
B
A
#
B
Logic ‘‘1’’
A
a
B
A
a
B
A
A
a
B
A
a
B
minus 1 (2s comp.)
A plus A
#
B
A
#
B plus (A
a
B)
A plus B
A
#
B minus 1
A plus A
#
B
A minus B minus 1
A
#
B plus (A
a
B)
A
#
B minus 1
A plus A (2
c
A)
A plus (A
a
B)
A plus (A
a
B)
A minus 1
a. All Input Data Inverted
b. All Input Data True
c. A Input Data Inverted;
B Input Data True
d. A Input Data True;
B Input Date Inverted
3
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相關代理商/技術(shù)參數(shù)
參數(shù)描述
74F181DC 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Fixed Point ALU
74F181FC 制造商:Texas Instruments 功能描述:
74F181N 制造商:NXP Semiconductors 功能描述:
74F181PC 功能描述:算數(shù)邏輯單元 - ALU 4-Bit Arith Log Unit RoHS:否 制造商:ON Semiconductor 高電平輸出電流: 低電平輸出電流: 傳播延遲時間: 電源電壓-最大:18 V 電源電壓-最小:3 V 封裝 / 箱體:SOIC-16 Wide 最大工作溫度:+ 125 C 封裝:Reel
74F181SC 功能描述:算數(shù)邏輯單元 - ALU 4-Bit Arith Log Unit RoHS:否 制造商:ON Semiconductor 高電平輸出電流: 低電平輸出電流: 傳播延遲時間: 電源電壓-最大:18 V 電源電壓-最小:3 V 封裝 / 箱體:SOIC-16 Wide 最大工作溫度:+ 125 C 封裝:Reel
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