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PDF IDTQS32257 Data sheet ( Hoja de datos )
| Número de pieza | IDTQS32257 | |
| Descripción | QUICKSWITCH PRODUCTS HIGH-SPEED CMOS QUICKSWITCH QUAD 2:MUX/DEMUX | |
| Fabricantes | Integrated Device | |
| Logotipo |  |
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IDTQS32257
HIGH-SPEED CMOS QUICKSWITCH QUAD 2:1 MUX/DEMUX
INDUSTRIALTEMPERATURERANGE
QUICKSWITCH® PRODUCTS
HIGH-SPEED CMOS
QUICKSWITCH
QUAD 2:MUX/DEMUX
IDTQS32257
FEATURES:
• Enhanced N channel FET with no inherent diode to Vcc
• 5Ω bidirectional switches connect inputs to outputs
• Pin compatible with the 74F257, 74FCT257, and 74FCT257T
• Zero propagation delay, zero ground bounce
• Undershoot clamp diodes on all switch and control inputs
• 25Ω resistors for low noise
• TTL-compatible control inputs
• Available in QSOP and S1 packages
DESCRIPTION:
The QS32257 is a high-speed CMOS LVTTL-compatible Quad 2:1
multiplexer/demultiplexer. The QS32257 is a function and pinout compatible
QuickSwitch version of the 74F257, 74FCT257, and the 74ALS/AS/LS257
Quad 2:1 multiplexers. The QS32257 has 25Ω series resistors to reduce
ground noise.
Mux/Demux devices provide an order of magnitude faster speed than
equivalent logic devices.
The QS32257 is characterized for operation at -40°C to +85°C.
APPLICATIONS:
• Logic replacement (data processing)
• Video, audio, graphics switching, muxing
• Hot-swapping, hot-docking
• Voltage translation (5V to 3.3V)
• Bus funneling
FUNCTIONAL BLOCK DIAGRAM
S
E
YA
YB
YC
YD
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
c 2004 Integrated Device Technology, Inc.
1
I0A
I1A
I0B
I1B
I0C
I1C
I0D
I1D
JANUARY 2004
DSC-5750/4
1 page  
IDTQS32257
HIGH-SPEED CMOS QUICKSWITCH QUAD 2:1 MUX/DEMUX
ORDERING INFORMATION
IDTQS XXXXX
XX
Device Type Package
INDUSTRIALTEMPERATURERANGE
Q Quarter Size Outline Package
S1 Quarter Size Outline Package
32257 High Speed CMOS Quickswitch Quad 2:1 Mux/Demux
As per PCN L0201-02, the Output Resistance (RON) specifications have changed as of March 8, 2002. The original specifications were:
Parameter
RON
Description
VCC = Min, VIN = 0V, ION = 30mA
VCC = Min, VIN = 2.4V, ION = 15mA
Min.
Typ. Max.
Unit
20
28 40
Ω
20 35 48
CORPORATE HEADQUARTERS
2975 Stender Way
Santa Clara, CA 95054
for SALES:
800-345-7015 or 408-727-6116
fax: 408-492-8674
www.idt.com
for Tech Support:
(408) 654-6459
5
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet IDTQS32257.PDF ] | |
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