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PDF FST33X257QSP Data sheet ( Hoja de datos )
| Número de pieza | FST33X257QSP | |
| Descripción | 24:12 Multiplexer/Demultiplexer Bus Switch | |
| Fabricantes | Fairchild Semiconductor | |
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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
1 page  
48-Lead Quarter Size Very Small Outline Package (QVSOP), JEDEC MO-154, 0.150" Wide
Package Number MQA48A
Technology Description
The Fairchild Switch family derives from and embodies Fairchild’s proven switch technology used for several years in its
74LVX3L384 (FST3384) bus switch product.
Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and
Fairchild reserves the right at any time without notice to change said circuitry and specifications.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD
SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the
body, or (b) support or sustain life, and (c) whose failure
to perform when properly used in accordance with
instructions for use provided in the labeling, can be rea-
sonably expected to result in a significant injury to the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be rea-
sonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
www.fairchildsemi.com
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| PDF Descargar | [ Datasheet FST33X257QSP.PDF ] | |
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