FST32211 Fairchild Semiconductor, FST32211 Datasheet - Page 2

• Manufacturer Part Number: FST32211
• Description: 40-48-Bit Bus Switch
• Manufacturer: Fairchild Semiconductor

www.fairchildsemi.com
Connection Diagram
Pin Descriptions
OE
1A, 2A, 3A, 4A
1B, 2B, 3B, 4B
1
, OE
Pin Name
2
, OE
3
, OE
(Top Thru View)
4
Bus Switch Enables
Description
Bus A
Bus B
2
FBGA Pin Assignments
Truth Tables
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
T
U
V
W
OE
OE
H
H
H
H
L
L
L
L
1
3
1
1A
1A
1A
1A
1A
2A
2A
2A
2A
2A
3A
3A
3A
3A
3A
4A
4A
4A
4A
Inputs
Inputs
2
4
6
8
10
2
4
6
8
10
9
7
5
3
1
9
7
5
3
2
1A
1A
1A
1A
1A
2A
2A
2A
2A
3A
3A
3A
3A
3A
4A
4A
4A
4A
4A
1
3
5
7
9
1
3
5
7
10
8
6
4
2
10
8
6
4
2
(40-Bit Routing)
OE
OE
H
H
H
H
L
L
L
L
2
4
3
NC
GND
GND
GND
V
V
V
GND
2A
GND
GND
GND
V
V
GND
GND
GND
4A
OE
CC
CC
CC
CC
CC
9
1
3
1A = 1B
1A = 1B
3A = 3B
3A = 3B
1A, 1B
3A, 3B
4
OE
OE
GND
GND
V
V
GND
GND
2B
GND
GND
V
V
V
GND
GND
4B
OE
NC
CC
CC
CC
CC
CC
Inputs/Outputs
Z
Z
Inputs/Outputs
Z
Z
9
1
2
1
4
5
1B
1B
1B
1B
1B
2B
2B
2B
2B
3B
3B
3B
3B
3B
4B
4B
4B
4B
4B
1
3
5
7
9
1
3
5
7
10
8
6
4
2
10
8
6
4
2
2A = 2B
2A = 2B
4A = 4B
4A = 4B
2A, 2B
4A, 4B
Z
Z
Z
Z
6
1B
1B
1B
1B
1B
2B
2B
2B
2B
2B
3B
3B
3B
3B
3B
4B
4B
4B
4B
2
4
6
8
10
2
4
6
8
10
9
7
5
3
1
9
7
5
3