PI74ALVCH16271 데이터 시트보기 (PDF) - Pericom Semiconductor
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PI74ALVCH16271 Datasheet PDF : 6 Pages
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PI74ALVCH16271
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Product Pin Description
Product Pin Configuration
Pin Name
OE
CLK
SEL
CLKEN
A,1B,2B
GND
VCC
Description
Output Enable Input (Active LOW)
Clock
Select (Active Low)
Clock Enable (Active Low)
3-State Outputs
Ground
Power
Truth Tables(1)
Output Enable
INPUTS
OEA
OEB
H
H
H
L
L
H
L
L
OUTPUTS
A
1B,2B
Z
Z
Z
Active
Active
Z
Active
Active
A to B STORAGE (OEB = L)
INPUTS
CLKENA1 CLKENA2 CLK A
H
H
X
X
L
X
↑
L
L
X
↑
H
X
L
↑
L
X
L
↑
H
OUTPUTS
1B
1B0(2)
2B
2B0(2)
L
X
H
X
X
L
AO
H
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
52
6
51
7
50
8
49
9
48
10
47
11 56-PIN 46
12 A56 45
V56
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
OEB
CLKENA2
2B4
GND
2B5
2B6
VCC
2B7
2B8
2B9
GND
2B10
2B11
2B12
1B12
1B11
1B10
GND
1B9
1B8
1B7
VCC
1B6
1B5
GND
1B4
CLKENA1
CLK
B to A STORAGE (OEA = L)
INPUTS
LE SEL 1B
2B
H
X
X
X
H
X
X
X
L
H
L
X
L
H
H
X
L
L
X
L
L
L
X
H
Outputs A
AO(2)
AO(2)
L
H
L
H
Notes:
1. H = High Signal Level, L = Low Signal Level
X = Irrelevant, Z = High Impedance
↑ = Transition, Low to High
2. Output level before the indicated steady state input
conditions were established.
2
PS8360 02/02/99
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