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IDTQS3VH251 Datasheet(PDF) 1 Page - Integrated Device Technology

Part No. IDTQS3VH251
Description  QUICKSWITCH PRODUCTS 2.5V / 3.3V 8:1 MUX/DEMUX HIGH BANDWIDTH BUS SWITCH
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Maker  IDT [Integrated Device Technology]
Homepage  http://www.idt.com
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IDTQS3VH251 Datasheet(HTML) 1 Page - Integrated Device Technology

   
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INDUSTRIALTEMPERATURERANGE
IDTQS3VH251
2.5V / 3.3V QUAD 8:1 MUX/DEMUX HIGH BANDWIDTH BUS SWITCH
AUGUST 2002
2002 Integrated Device Technology, Inc.
DSC-5944/7
c
IDTQS3VH251
INDUSTRIAL TEMPERATURE RANGE
QUICKSWITCH® PRODUCTS 2.5V
/ 3.3V 8:1 MUX/DEMUX HIGH
BANDWIDTH BUS SWITCH
FUNCTIONAL BLOCK DIAGRAM
DESCRIPTION:
The QS3VH251 HotSwitch Quad 2:1 multiplexer/demultiplexer is a high
bandwidthbusswitch. TheQS3VH251hasverylowONresistance,resulting
in under 250ps propagation delay through the switch. The Select (Sx) input
controlsthedataflow. Themultiplexers/demultiplexersareenabledwhenthe
Enable(E)inputislow. IntheONstate,theswitchescanpasssignalsupto5V.
In the OFF state, the switches offer very high impedence at the terminals.
Thecombinationofnear-zeropropagationdelay,highOFFimpedance,and
over-voltage tolerance makes the QS3VH251 ideal for high performance
comminucationapplications.
The QS3VH251 is characterized for operation from -40
°C to +85°C.
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
APPLICATIONS:
• Hot-swapping
• Multiplexing/demultiplexing
• Low distortion analog switch
• Replaces mechanical relay
• ATM 25/155 switching
FEATURES:
• N channel FET switches with no parasitic diode to VCC
– Isolationunderpower-offconditions
– No DC path to VCC or GND
– 5V tolerant in OFF and ON state
• 5V tolerant I/Os
• Low RON - 4
Ω typical
• Flat RON characteristics over operating range
• Rail-to-rail switching 0 - 5V
• Bidirectional dataflow with near-zero delay: no added ground
bounce
• Excellent RON matching between channels
•VCC operation: 2.3V to 3.6V
• High bandwidth - up to 500MHz
• LVTTL-compatible control Inputs
• Undershoot Clamp Diodes on all switch and control Inputs
• Low Demux capacitance, 4pF typical
• Available in QSOP and TSSOP packages
S0
Y
I0
I1
I2
I3
I4
I5
I6
I7
S1
E
S2


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