FSTU3253 Fairchild Semiconductor, FSTU3253 Datasheet - Page 2

• Manufacturer Part Number: FSTU3253
• Description: Dual 4:1 Multiplexer-Demultiplexer Bus Switch with -2V Undershoot Protection
• Manufacturer: Fairchild Semiconductor

www.fairchildsemi.com
Logic Diagram
Pin Descriptions
B
1
Pin Name
OE
, B
S
1
0
2
A
, OE
, S
, B
1
3
, B
2
4
Bus Switch Enables
Select Inputs
Description
Bus A
Bus B
2
Connection Diagram
Truth Table
S
X
X
H
H
L
L
1
S
X
X
H
H
L
L
0
OE
H
X
L
L
L
L
1
OE
H
X
L
L
L
L
2
Disconnect 1A
Disconnect 2A
Function
A
A
A
A
B
B
B
B
1
2
3
4