IDTQS3R245Q IDT, Integrated Device Technology Inc, IDTQS3R245Q Datasheet

IDTQS3R245Q

Manufacturer Part Number

IDTQS3R245Q

Description

Manufacturer

IDT, Integrated Device Technology Inc

Datasheet

1.IDTQS3R245Q.pdf (5 pages)

Specifications of IDTQS3R245Q

Number Of Bits

Number Of Elements

Technology

CMOS

High Level Output Current

-120mA

Low Level Output Current

120mA

On Resistance

4Ohm

Propagation Delay Time

5.6ns

Package Type

SSOP

Operating Temp Range

-40C to 85C

Operating Temperature Classification

Industrial

Operating Supply Voltage (min)

4.5V

Operating Supply Voltage (typ)

Operating Supply Voltage (max)

5.5V

Quiescent Current

3uA

Pin Count

Mounting

Surface Mount

Lead Free Status / Rohs Status

Not Compliant

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FEATURES:

• Enhanced N channel FET with no inherent diode to Vcc

• 5Ω Ω Ω Ω Ω bidirectional switches connect inputs to outputs

• Pin compatible with the 74F245, 74FCT245, and 74FCT245T

• Zero propagation delay, zero ground bounce

• Undershoot clamp diodes on all switch and control inputs

• TTL-compatible control inputs

• Available in SOIC and QSOP packages

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

INDUSTRIAL TEMPERATURE RANGE

APPLICATIONS:

• Hot-swapping and hot-docking (low resistance for PCI and

• Bus switching and isolation

• Voltage translation (5V to 3.3V)

• Capacitance reduction and isolation

• Power conservation

• Logic replacement (data processing)

• Clock gating

IDTQS3R245

HIGH-SPEED CMOS QUICKSWITCH 8-BIT LOW RESISTANCE BUS SWITCH

Compact PCI applications)

FUNCTIONAL BLOCK DIAGRAM

1999 Integrated Device Technology, Inc.

O E

QUICKSWITCH

HIGH-SPEED CMOS

QUICKSWITCH 8-BIT LOW

RESISTANCE BUS SWITCH

DESCRIPTION:

bus switches in a pinout compatible with 74FCT245, 74F245, 74ALS/AS/

LS245 8-bit transceivers. The low ON resistance of the QS3R245 allows

inputs to be connected to outputs without adding propagation delay and

without generating additional ground bounce noise. The Output Enable (OE)

signal turns the switches on similar to the OE signal of the 74’245. The low

ON resistance of QS3R245 makes it ideal for PCI hot docking applications.

conventional logic devices.

The QS3R245 provides a set of eight high-speed CMOS TTL-compatible

QuickSwitch devices provide an order of magnitude faster speed than

PRODUCTS

The QS3R245 is characterized for operation at -40°C to +85°C.

INDUSTRIAL TEMPERATURE RANGE

NOVEMBER 1999

IDTQS3R245

DSC-5546/1

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IDTQS3R245Q Summary of contents

Page 1

IDTQS3R245 HIGH-SPEED CMOS QUICKSWITCH 8-BIT LOW RESISTANCE BUS SWITCH FEATURES: • Enhanced N channel FET with no inherent diode to Vcc • 5Ω Ω Ω Ω Ω bidirectional switches connect inputs to outputs • Pin compatible with the 74F245, 74FCT245, ...

Page 2

IDTQS3R245 HIGH-SPEED CMOS QUICKSWITCH 8-BIT LOW RESISTANCE BUS SWITCH PIN CONFIGURATION GND SOIC/ ...

Page 3

IDTQS3R245 HIGH-SPEED CMOS QUICKSWITCH 8-BIT LOW RESISTANCE BUS SWITCH DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE Following Conditions Apply Unless Otherwise Specified: Industrial –40°C to +85° 5.0V ±10 Symbol Parameter V Input HIGH Level IH ...

Page 4

IDTQS3R245 HIGH-SPEED CMOS QUICKSWITCH 8-BIT LOW RESISTANCE BUS SWITCH POWER SUPPLY CHARACTERISTICS Symbol Parameter I Quiescent Power Supply Current CCQ ∆I Power Supply Current per Control Input HIGH CC I Dynamic Power Supply Current per MHz CCD NOTES: 1. For ...

Page 5

IDTQS3R245 HIGH-SPEED CMOS QUICKSWITCH 8-BIT LOW RESISTANCE BUS SWITCH ORDERING INFORMATION IDTQS XX XXXXX Package Process Device Type CORPORATE HEADQUARTERS 2975 Stender Way Santa Clara, CA 95054 X Industrial (-40°C to +85°C) Blank SO Small Outline IC Q Quarter Size ...

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