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74F85 Datasheet(PDF) 3 Page - NXP Semiconductors

Part # 74F85
Description  4-bit magnitude comparator
PDF  10 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74F85 Datasheet(HTML) 3 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
74F85
4-bit magnitude comparator
September 27, 1994
3
LOGIC DIAGRAM
5
6
7
A>B
A=B
A<B
VCC = Pin 16
GND = Pin 8
15
1
13
14
2
3
4
12
11
10
9
A3
B3
A2
B2
IA<B
IA=B
IA>B
A1
B1
A0
B0
SF00078
FUNCTION TABLE
COMPARING INPUTS
EXPANSION INPUTS
OUTPUTS
A3,B3
A2,B2
A1,B1
A0,B0
IA>B
IA<B
IA=B
A>B
A<B
A=B
A3>B3
X
X
X
X
X
X
H
L
L
A3<B3
XXX
X
XX
L
HL
A3=B3
A2>B2
X
X
X
XX
H
LL
A3=B3
A2<B2
X
X
X
XX
L
HL
A3=B3
A2=B2
A1>B1
X
X
X
X
H
L
L
A3=B3
A2=B2
A1<B1
X
X
XX
L
HL
A3=B3
A2=B2
A1=B1
A0>B0
X
XX
H
LL
A3=B3
A2=B2
A1=B1
A0<B0
X
XX
L
HL
A3=B3
A2=B2
A1=B1
A0=B0
H
L
L
H
L
L
A3=B3
A2=B2
A1=B1
A0=B0
L
HL
L
HL
A3=B3
A2=B2
A1=B1
A0=B0
L
LHL
LH
A3=B3
A2=B2
A1=B1
A0=B0
X
X
H
L
L
H
A3=B3
A2=B2
A1=B1
A0=B0
H
HL
L
LL
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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