IDTQS3VH251 Integrated Device Technology, IDTQS3VH251 Datasheet

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IDTQS3VH251

Manufacturer Part Number
IDTQS3VH251
Description
Quickswitch Products 2.5v / 3.3v 8 1 Mux/demux High Bandwidth Bus Switch
Manufacturer
Integrated Device Technology
Datasheet

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Part Number:
IDTQS3VH251Q
Manufacturer:
IDT
Quantity:
6 235
FEATURES:
• N channel FET switches with no parasitic diode to V
• 5V tolerant I/Os
• Low R
• Flat R
• Rail-to-rail switching 0 - 5V
• Bidirectional dataflow with near-zero delay: no added ground
• Excellent R
• V
• 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
APPLICATIONS:
• Hot-swapping
• Multiplexing/demultiplexing
• Low distortion analog switch
• Replaces mechanical relay
• ATM 25/155 switching
FUNCTIONAL BLOCK DIAGRAM
INDUSTRIAL TEMPERATURE RANGE
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
IDTQS3VH251
2.5V / 3.3V QUAD 8:1 MUX/DEMUX HIGH BANDWIDTH BUS SWITCH
c
– Isolation under power-off conditions
– No DC path to V
– 5V tolerant in OFF and ON state
bounce
CC
2002 Integrated Device Technology, Inc.
operation: 2.3V to 3.6V
ON
ON
characteristics over operating range
- 4Ω Ω Ω Ω Ω typical
ON
matching between channels
CC
or GND
S0
S1
S2
E
Y
QUICKSWITCH
/ 3.3V 8:1 MUX/DEMUX HIGH
BANDWIDTH BUS SWITCH
CC
®
1
DESCRIPTION:
bandwidth bus switch. The QS3VH251 has very low ON resistance, resulting
in under 250ps propagation delay through the switch. The Select (Sx) input
controls the data flow. The multiplexers/demultiplexers are enabled when the
Enable (E) input is low. 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.
over-voltage tolerance makes the QS3VH251 ideal for high performance
comminucation applications.
PRODUCTS 2.5V
The QS3VH251 HotSwitch Quad 2:1 multiplexer/demultiplexer is a high
The combination of near-zero propagation delay, high OFF impedance, and
The QS3VH251 is characterized for operation from -40°C to +85°C.
INDUSTRIAL TEMPERATURE RANGE
I0
I1
I2
I3
I4
I5
I6
I7
IDTQS3VH251
AUGUST 2002
DSC-5944/9

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IDTQS3VH251 Summary of contents

Page 1

... In the OFF state, the switches offer very high impedence at the terminals. The combination of near-zero propagation delay, high OFF impedance, and over-voltage tolerance makes the QS3VH251 ideal for high performance comminucation applications. The QS3VH251 is characterized for operation from -40°C to +85°C. 1 INDUSTRIAL TEMPERATURE RANGE IDTQS3VH251 ...

Page 2

... IDTQS3VH251 2.5V / 3.3V QUAD 8:1 MUX/DEMUX HIGH BANDWIDTH BUS SWITCH PIN CONFIGURATION GND 8 QSOP/ TSSOP TOP VIEW FUNCTION TABLE (1) Select ...

Page 3

... IDTQS3VH251 2.5V / 3.3V QUAD 8:1 MUX/DEMUX HIGH BANDWIDTH BUS SWITCH DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE Following Conditions Apply Unless Otherwise Specified: Industrial –40°C to +85° 3.3V ±0. Symbol Parameter V Input HIGH Voltage IH V Input LOW Voltage IL I Input Leakage Current (Control Inputs Off-State Current (Hi-Z) ...

Page 4

... IDTQS3VH251 2.5V / 3.3V QUAD 8:1 MUX/DEMUX HIGH BANDWIDTH BUS SWITCH POWER SUPPLY CHARACTERISTICS Symbol Parameter I Quiescent Power Supply Current CCQ ΔI Power Supply Current (2,3) per Input HIGH CC I Dynamic Power Supply Current (4) CCD NOTES: 1. For conditions shown as Min. or Max., use the appropriate values specified under DC Electrical Characteristics. ...

Page 5

... IDTQS3VH251 2.5V / 3.3V QUAD 8:1 MUX/DEMUX HIGH BANDWIDTH BUS SWITCH SWITCHING CHARACTERISTICS OVER OPERATING RANGE T = -40°C to +85°C A Symbol Parameter (2,3) t Data Propagation Delay PLH PHL t Select Time SEL Enable Time PZH PZL t Disable Time PHZ ...

Page 6

... IDTQS3VH251 2.5V / 3.3V QUAD 8:1 MUX/DEMUX HIGH BANDWIDTH BUS SWITCH SOME APPLICATIONS FOR HOTSWITCH PRODUCTS 0 to +5V Vcc = 3.3V OE CPU PLUG GABLE CAR D/ LIVE SYSTEM CARD I/O CARD I/O NFET +6.5V CHARGE PUM P DRIVER SINGLE HOT SW ITCH Rail-to-Rail Switching M ULTIPLEXING CONTROL CIRCUITRY Multiplexing/Demultiplexing ZERO DOW N TIM E SYSTEM ON CARD ...

Page 7

... IDTQS3VH251 2.5V / 3.3V QUAD 8:1 MUX/DEMUX HIGH BANDWIDTH BUS SWITCH TEST CIRCUITS AND WAVEFORMS TEST CONDITIONS Symbol V (1) = 3.3V ± 0. LOAD 1 300 LZ V 300 OUT (1, 2) Pulse D.U.T. Generator R T Test Circuits for All Outputs DEFINITIONS Load capacitance: includes jig and probe capacitance. ...

Page 8

... IDTQS3VH251 2.5V / 3.3V QUAD 8:1 MUX/DEMUX HIGH BANDWIDTH BUS SWITCH ORDERING INFORMATION XXXXX XX IDTQS Package Device Type CORPORATE HEADQUARTERS 6024 Silver Creek Valley Road San Jose, CA 95138 INDUSTRIAL TEMPERATURE RANGE Q Quarter Size Outline Package QG QSOP - Green PA Thin Shrink Small Outline Package PAG TSSOP - Green 2 ...

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