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Integrated Device - QUICKSWITCH PRODUCTS 2.5V / 3.3V 8-BIT HIGH BANDWIDTH BUS SWITCH

Numéro de référence IDTQS3VH244
Description QUICKSWITCH PRODUCTS 2.5V / 3.3V 8-BIT HIGH BANDWIDTH BUS SWITCH
Fabricant Integrated Device 
Logo Integrated Device 





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IDTQS3VH244 fiche technique
IDTQS3VH244
2.5V / 3.3V 8-BIT HIGH BANDWIDTH BUS SWITCH
QUICKSWITCH® PRODUCTS
2.5V / 3.3V 8-BIT HIGH
BANDWIDTH BUS SWITCH
INDUSTRIALTEMPERATURERANGE
IDTQS3VH244
FEATURES:
• N channel FET switches with no parasitic diode to VCC
– Isolation under power-off conditions
– No DC path to VCC or GND
– 5V tolerant in OFF and ON state
• 5V tolerant I/Os
• Low RON - 4typical
• 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 I/O capacitance, 4pF typical
• Available in QSOP and TSSOP packages
APPLICATIONS:
• Hot-swapping
• 10/100 Base-T, Ethernet LAN switch
• Low distortion analog switch
• Replaces mechanical relay
• ATM 25/155 switching
• Bus switching and isolation
FUNCTIONAL BLOCK DIAGRAM
DESCRIPTION:
The QS3VH244 HotSwitch is a high bandwidth, 8-bit bus switch. The
QS3VH244 hasverylowONresistance,resultinginunder250pspropagation
delay through the switch. The switches can be turned ON under the control
of the LVTTL-compatible xG signal for bidirectional data flow with no added delay
or ground bounce. In the ON state, the switches can pass signals up to 5V. In
the OFF state, the switches offer very high impedence at the terminals.
The combination of near-zero propagation delay, high OFF impedence, and
over-voltage tolerance makes the QS3VH244 ideal for high performance
communicationsapplications.
The QS3VH244 is characterized for operation from -40°C to +85°C.
1G 2G
1A1 1Y1 2A1
1A2 1Y2 2A2
1A3 1Y3 2A3
1A4 1Y4 2A4
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
c 2002 Integrated Device Technology, Inc.
1
2Y1
2Y2
2Y3
2Y4
AUGUST 2002
DSC-5894/9

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