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HD74HC85P 查看數據表(PDF) - Renesas Electronics

零件编号
产品描述 (功能)
生产厂家
HD74HC85P
Renesas
Renesas Electronics Renesas
HD74HC85P Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
HD74HC85
Function Table
Data Word Inputs
A3, B3
A3 > B3
A2, B2
X
A1, B1
X
A3 < B3
X
X
A3 = B3
A2 > B2
X
A3 = B3
A3 = B3
A2 < B2
A2 = B2
X
A1 > B1
A3 = B3
A3 = B3
A2 = B2
A2 = B2
A1 < B1
A1 = B1
A3 = B3
A3 = B3
A2 = B2
A2 = B2
A1 = B1
A1 = B1
A3 = B3
A3 = B3
A2 = B2
A2 = B2
A1 = B1
A1 = B1
A3 = B3
A3 = B3
A2 = B2
A2 = B2
A1 = B1
A1 = B1
H : High level
L : Low level
X : Irrelevant
A0, B0
X
X
X
X
X
X
A0 > B0
A0 < B0
A0 = B0
A0 = B0
A0 = B0
A0 = B0
A0 = B0
Cascading Inputs
A > Bin A = Bin A < Bin
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
L
L
L
L
L
H
H
L
L
H
L
H
X
H
X
A > Bout
H
L
H
L
H
L
H
L
H
L
H
L
L
Outputs
A = Bout
L
L
L
L
L
L
L
L
L
L
L
L
H
A < Bout
L
H
L
H
L
H
L
H
H
H
L
L
L
Pin Arrangement
B3
Data 1
Input
A<B 2
A=B 3
A>B 4
A>B 5
A=B 6
A<B 7
GND 8
B3
A<B
A3
A=B In B2
A>B
A2
A>B
A1
A=B out B1
A<B
A0
B0
(Top view)
16 VCC
15 A3
14 B2
13 A2
12 A1
11 B1
10 A0
9 B0
Rev.2.00, Oct 06, 2005 page 2 of 7

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