參數(shù)資料
型號: 74VCX32500G
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 通用總線功能
英文描述: Low Voltage 36-Bit Universal Bus Transceivers with 3.6V Tolerant Inputs and Outputs
中文描述: ALVC/VCX/A SERIES, 36-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PBGA114
封裝: 5.50 MM, PLASTIC, MO-205, FBGA-114
文件頁數(shù): 2/9頁
文件大?。?/td> 148K
代理商: 74VCX32500G
www.fairchildsemi.com
2
7
Connection Diagram
(Top Thru View)
Pin Descriptions
FBGA Pin Assignments
Function Table
(Note 4)
H
=
HIGH Voltage Level
L
=
LOW Voltage Level
X
=
Immaterial (HIGH or LOW, inputs may not float)
Z
=
High Impedance
Note 4:
A-to-B data flow is shown; B-to-A flow is similar but uses OEBA,
LEBA and CLKBA. OEBA is active LOW.
Note 5:
Output level before the indicated steady-state input conditions
were established.
Note 6:
Output level before the indicated steady-state input conditions
were established, provided that CLKAB was LOW before LEAB went LOW.
Pin Names
Description
OEAB
n
Output Enable Input for A to B Direction
(Active HIGH)
OEBA
n
Output Enable Input for B to A Direction
(Active LOW)
LEAB
n
, LEBA
n
Latch Enable Inputs
CLKAB
n
,
CLKBA
n
Clock Inputs
1A
1
1A
18
2A
1
2A
18
Side A Inputs or 3-STATE Outputs
1B
1
1B
18
2B
1
2B
18
Side B Inputs or 3-STATE Outputs
1
2
3
4
5
6
A
B
C
D
E
F
G
H
1A
2
1A
4
1A
6
1A
8
1A
10
1A
12
1A
14
1A
15
1A
17
NC
2A
2
2A
4
2A
6
2A
8
2A
10
2A
12
2A
14
2A
15
2A
17
1A
1
1A
3
1A
5
1A
7
1A
9
1A
11
1A
13
1A
16
1A
18
LEAB
2
LEBA
1
2A
1
2A
3
2A
5
2A
7
2A
9
2A
11
2A
13
2A
16
2A
18
LEAB
1
CLKAB
1
OEAB
1
GND
V
CC
GND
GND
V
CC
GND
1B
1
1B
3
1B
5
1B
7
1B
9
1B
11
1B
13
1B
16
1B
18
CLKAB
2
2B
1
2B
3
2B
5
2B
7
2B
9
2B
11
2B
13
2B
16
2B
18
1B
2
1B
4
1B
6
1B
8
1B
10
1B
12
1B
14
1B
15
1B
17
NC
2B
2
2B
4
2B
6
2B
8
2B
10
2B
12
2B
14
2B
15
2B
17
GND
GND
V
CC
GND
GND
V
CC
GND
J
OEBA
1
CLKBA
1
K
L
M
N
P
R
T
U
GND
GND
GND
V
CC
GND
GND
V
CC
GND
OEAB
2
GND
V
CC
GND
GND
V
CC
GND
V
W
OEBA
2
CLKBA
2
LEBA
2
GND
Inputs
Outputs
OEAB
n
LEAB
n
CLKAB
n
A
n
B
n
L
X
X
X
Z
H
H
X
L
L
H
H
X
H
H
H
L
L
L
H
L
H
H
H
L
H
X
B
0
(Note 5)
H
L
L
X
B
0
(Note 6)
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