PI74ALVCH16821A Ver la hoja de datos (PDF) - Pericom Semiconductor
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PI74ALVCH16821A Datasheet PDF : 5 Pages
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PI74ALVCH16821
3.3V 20-Bit Bus Interface Flip-Flop
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Product Pin Description
Pin Name
OE
CLK
Dx
Qx
GND
VCC
Description
Output Enable Input (Active LOW)
Clock Input (Active HIGH)
Data Inputs
3-State Outputs
Ground
Power
Product Pin Configuration
1QE
1Q1
1Q2
GND
1Q3
1Q4
VCC
1Q5
1Q6
1Q7
GND
1Q8
1Q9
1Q10
2Q1
2Q2
2Q3
GND
2Q4
2Q5
2Q6
VCC
2Q7
2Q8
GND
2Q9
2Q10
2OE
1
56
2
55
3
54
4
53
5
52
6
51
7
50
8 56 Pin 49
9 V56 48
10 A56 47
11
46
12
45
13
44
14 56-PIN43
15 V56 42
16 A56 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
1CLK
1D1
1D2
GND
1D3
1D4
VCC
1D5
1D6
1D7
GND
1D8
1D9
1D10
2D1
2D2
2D3
GND
2D4
2D5
2D6
VCC
2D7
2D8
GND
2D9
2D10
2CLK
Truth Table(1)
Inputs
OE
CLK
D
L
H
L
L
L
H or L
X
H
X
X
Note:
1. H = High Signal Level
L = Low Signal Level
X = Irrelevant
Z = High Impedance
↑ = LOW-to-HIGH Transition
n = 1,2
Outputs
Q
H
L
Q0
Z
2
PS8156 11/17/97
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