參數(shù)資料
型號(hào): 74F85
廠商: NXP Semiconductors N.V.
英文描述: 4-bit magnitude comparator(4位等值比較器)
中文描述: 4位數(shù)值比較(4位等值比較器)
文件頁(yè)數(shù): 3/10頁(yè)
文件大?。?/td> 86K
代理商: 74F85
Philips Semiconductors
Product specification
74F85
4-bit magnitude comparator
September 27, 1994
3
LOGIC DIAGRAM
5
6
7
A>B
A=B
A<B
V
= Pin 16
GND = Pin 8
15
1
13
14
2
3
4
12
11
10
9
A3
B3
A2
B2
I
A<B
I
A=B
I
A>B
A1
B1
A0
B0
SF00078
FUNCTION TABLE
COMPARING INPUTS
EXPANSION INPUTS
OUTPUTS
A3,B3
A2,B2
A1,B1
A0,B0
I
A>B
X
I
A<B
X
I
A=B
X
A>B
A<B
A=B
A3>B3
X
X
X
H
L
L
A3<B3
X
X
X
X
X
X
L
H
L
A3=B3
A2>B2
X
X
X
X
X
H
L
L
A3=B3
A2<B2
X
X
X
X
X
L
H
L
A3=B3
A2=B2
A1>B1
X
X
X
X
H
L
L
A3=B3
A2=B2
A1<B1
X
X
X
X
L
H
L
A3=B3
A2=B2
A1=B1
A0>B0
X
X
X
H
L
L
A3=B3
A2=B2
A1=B1
A0<B0
X
X
X
L
H
L
A3=B3
A2=B2
A1=B1
A0=B0
H
L
L
H
L
L
A3=B3
A2=B2
A1=B1
A0=B0
L
H
L
L
H
L
A3=B3
A2=B2
A1=B1
A0=B0
L
L
H
L
L
H
A3=B3
A2=B2
A1=B1
A0=B0
X
X
H
L
L
H
A3=B3
A2=B2
A1=B1
A0=B0
H
H
L
L
L
L
A3=B3
A2=B2
A1=B1
A0=B0
L
L
L
H
H
L
H = High voltage level
L = Low voltage level
X = Don’t care
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