參數(shù)資料
型號: PI74ALVCH16271
廠商: Pericom Semiconductor Corp.
英文描述: 12-Bit To 24-Bit Multiplexed Bus Exchanger with 3-State Outputs
中文描述: 12位到24位復用總線交換器與三態(tài)輸出
文件頁數(shù): 2/6頁
文件大?。?/td> 245K
代理商: PI74ALVCH16271
2
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Product Pin Description
PS8360 02/02/99
PI74ALVCH16271
Pin Name
OE
CLK
SEL
CLKEN
A,1B,2B
GND
V
CC
Description
Output Enable Input (Active LOW)
Clock
Select (Active Low)
Clock Enable (Active Low)
3-State Outputs
Ground
Power
S
T
U
P
N
I
A
s
p
O
E
L
H
H
L
L
L
E
X
X
H
H
S
B
X
X
L
H
1
B
X
X
X
X
2
A
O
A
O
)
)
L
H
L
L
X
L
L
L
L
X
H
H
S
T
U
P
N
I
S
T
U
P
T
U
O
1
A
N
E
K
L
C
2
A
N
E
K
L
C
K
L
C
A
B
1
B
2
H
H
X
X
0
B
1
)
0
B
2
)
L
X
L
L
X
L
X
H
H
X
X
L
L
X
L
X
L
H
A
O
H
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
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.
Product Pin Configuration
56-PIN
A56
V56
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
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
Truth Tables
(1)
Output Enable
A to B STORAGE (OEB = L)
B to A STORAGE (OEA = L)
S
T
U
P
N
I
S
T
U
P
T
U
O
A
E
O
B
E
O
A
B
2
B
1
H
H
Z
Z
H
L
Z
e
A
L
H
e
A
Z
L
L
e
A
e
A
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