參數(shù)資料
型號: PI74ALVCH162260
廠商: Pericom Semiconductor Corp.
英文描述: 12-Bit To 24-Bit Multiplexed D-Type Latch with 3-STATE Outputs
中文描述: 12位到24位復(fù)用D類鎖存器與三態(tài)輸出
文件頁數(shù): 2/5頁
文件大?。?/td> 253K
代理商: PI74ALVCH162260
2
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PS8127 03/17/98
PI74ALVCH162260
12-Bit To 24-Bit Multiplexed D-Type Latch with 3-State Outputs
Pin Name
OE
SEL
LE
A,1B,2B
A,1B,2B
GND
V
CC
Description
Output Enable Input (Active LOW)
Select
Latch Enable
Data Inputs
3-State Outputs
Ground
Power
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
Product Pin Description
Note:
1. H = High Signal Level
L = Low Signal Level
X = Irrelevant
Z = High Impedance
Product Pin Configuration
56-PIN
V56
A56
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
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
S
T
U
P
N
I
S
T
U
P
T
U
O
A
B
1
A
E
L
B
2
A
E
L
B
1
E
O
B
2
E
O
B
1
B
2
H
H
H
L
L
H
H
L
H
H
L
L
L
L
H
H
L
L
L
H
0
B
2
L
H
L
L
L
L
0
B
2
H
L
H
L
L
0
B
1
H
L
L
H
L
L
0
B
1
L
X
L
L
L
L
0
B
1
0
B
2
X
X
X
H
H
Z
Z
X
X
X
L
H
e
A
Z
X
X
X
H
L
Z
e
A
X
X
X
L
L
e
A
e
A
Truth Tables
(1)
B to A (OEB = H)
A to B (OEA = H)
Inputs
Output
A
1B
2B
SEL
LE1B
LE2B
OEA
H
X
H
H
X
L
H
L
X
H
H
X
L
L
X
X
H
L
X
L
A
0
X
H
L
X
H
L
H
X
L
L
X
H
L
L
X
X
L
X
L
L
A
0
X
X
X
X
X
H
Z
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