PI74ALVCH162260V Просмотр технического описания (PDF) - Pericom Semiconductor
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производитель
PI74ALVCH162260V Datasheet PDF : 5 Pages
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PI74ALVCH162260
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Product Pin Description
Pin Name
OE
SEL
LE
A,1B,2B
A,1B,2B
GND
VCC
Description
Output Enable Input (Active LOW)
Select
Latch Enable
Data Inputs
3-State Outputs
Ground
Power
Product Pin Configuration
OEA
LE1B
2B3
GND
2B2
2B1
VCC
A1
A2
A3
GND
A4
A5
A6
A7
A8
A9
GND
A10
A11
A12
VCC
1B1
1B2
GND
1B3
LE2B
SEL
1
56
2
55
3
54
4
53
5 56-PIN 52
V56
6 A56 51
7
50
8
49
9
48
10
47
11
46
12
45
13
44
14
43
15
42
16
41
17
40
18
39
19
38
20
37
21
36
22
35
23
34
24
33
25
32
26
31
27
30
28
29
OE2B
LEA2B
2B4
GND
2B5
2B6
VCC
2B7
2B8
2B9
GND
2B10
2B11
2B12
1B12
1B11
1B10
GND
1B9
1B8
1B7
VCC
1B6
1B5
GND
1B4
LEA1B
OE1B
Truth Tables(1)
B to A (OEB = H)
Inputs
Output
1B 2B SEL LE1B LE2B OEA
A
HX H
H
X
L
H
LX H
H
X
L
L
XX H
L
X
L
A0
XH L
X
H
L
H
XL
L
X
H
L
L
XX L
X
L
L
A0
XX X
X
X
H
Z
A to B (OEA = H)
INPUTS
OUTPUTS
A LEA1B LEA2B OE1B OE2B 1B
2B
H
H
H
L
L
H
H
L
H
H
L
L
L
L
H
H
L
L
L
H
2B0
L
H
L
L
L
L
2B0
H
L
H
L
L 1B0 H
L
L
H
L
L
1B0
L
X
L
L
L
L 1B0 2B0
X
X
X
H
H
Z
Z
X
X
X
L
H Active Z
X
X
X
H
L
Z Active
X
X
X
L
L Active Active
Note:
1. H = High Signal Level
L = Low Signal Level
X = Irrelevant
Z = High Impedance
2
PS8127 03/17/98
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