FST33X257 Fairchild Semiconductor, FST33X257 Datasheet - Page 2
FST33X257
Manufacturer Part Number
FST33X257
Description
24:12 Multiplexer-Demultiplexer Bus Switch
Manufacturer
Fairchild Semiconductor
Datasheet
1.FST33X257.pdf
(5 pages)
www.fairchildsemi.com
Logic Diagram
2
Connection Diagram
Pin Descriptions
Truth Table
S
X
H
L
x
Pin Name
B
OE
1
S
A
–B
x
x
2
OE
H
L
L
x
Bus Switch Enable
Description
Select Input
Disconnect
Function
A
A
Bus A
Bus B
B
B
1
2
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