FST33X257 Просмотр технического описания (PDF) - Fairchild Semiconductor
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FST33X257 Datasheet PDF : 5 Pages
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May 2002
Revised July 2002
FST33X257
24:12 Multiplexer/Demultiplexer Bus Switch
General Description
The Fairchild Switch FST33X257 is a 24:12 high-speed
CMOS TTL-compatible multiplexer/demultiplexer bus
switch. The low On Resistance of the switch allows inputs
to be connected to outputs without adding propagation
delay or generating additional ground bounce noise.
When OEx is LOW, the select pin connects the A Port to
the selected B Port output. When OEx is HIGH, the switch
is OPEN and a high-impedance state exists between the
two ports.
Features
s 4Ω switch connection between two ports
s Minimal propagation delay through the switch
s Low lCC
s Zero bounce in flow-through mode
s Control inputs compatible with TTL level
Ordering Code:
Order Number
Package
Number
Package Description
FST33X257QSP MQA48A 48-Lead Quarter Size Very Small Outline Package (QVSOP), JEDEC MO-154, 0.150" Wide
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
© 2002 Fairchild Semiconductor Corporation DS500724
www.fairchildsemi.com
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