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IDTQS3125

QUICKSWITCH® PRODUCTS HIGH-SPEED CMOS QUADRUPLE BUS SWITCH WITH INDIVIDUAL ACTIVE LOW ENABLES

Integrated Device Technology 

IDTQS3125

HIGH-SPEED CMOS QUADRUPLE BUS SWITCH WITH INDIVIDUAL ENABLES

INDUSTRIAL TEMPERATURE RANGE

QUICKSWITCH® PRODUCTS

HIGH-SPEED CMOS

QUADRUPLE BUS SWITCH WITH

INDIVIDUAL ACTIVE LOW ENABLES

IDTQS3125

FEATURES:

• Enhanced N channel FET with no inherent diode to Vcc

• Pin compatible with the 74’125 function

• Zero propagation delay, zero added ground bounce

• Undershoot clamp diodes on all switch and control inputs

• Available in QSOP and SOIC packages

APPLICATIONS:

• Hot-swapping, hot-docking

• Voltage translation (5V to 3.3V)

• Power conservation

• Capacitance reduction and isolation (mass storage, work

stations)

• Logic replacement (data processing)

• Clock gating

• Bus isolation

DESCRIPTION:

The QS3125 provides a set of four high-speed low resistance CMOS

switches connecting inputs to outputs without propagation delay and without

generating additional ground bounce noise. Individual enables (OE) are

used to turn on the switches. The QS3125 is ideal for signal and control

switching since the device adds no noise, ground bounce, propagation

delay, or significant power consumption to the system. The QS3125 can also

be used for analog switching applications such as video.

QuickSwitch devices provide an order of magnitude faster speed than

conventional logic devices.

The QS3125 is characterized for operation at -40°C to +85°C.

FUNCTIONAL BLOCK DIAGRAM

1O E

2O E

3O E

4O E

1A 2A 3A 4A

1Y 2Y 3Y 4Y

The IDT logo is a registered trademark of Integrated Device Technology, Inc.

INDUSTRIAL TEMPERATURE RANGE

1

c

1999 Integrated Device Technology, Inc.

DECEMBER 1999

DSC-5598/1

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