IDQS34X245 datasheet(1/5 Pages) IDT | QUICKSWITCH-R PRODUCTS HIGH-SPEED CMOS QUICKSWITCH 32-BIT MULTIWIDTH-TM BUS SWITCHES

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IDTQS34X245

HIGH-SPEED CMOS QUICKSWITCH 32-BIT MULTIWIDTH BUS SWITCHES

INDUSTRIALTEMPERATURERANGE

APRIL 2000

2000 Integrated Device Technology, Inc.

DSC-5481/3

INDUSTRIAL TEMPERATURE RANGE

FUNCTIONAL BLOCK DIAGRAM

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

FEATURES:

• Enhanced N channel FET with no inherent diode to Vcc

• Bidirectional switches connect inputs to outputs

• Zero propagation delay, zero ground bounce

• QS34X245 is 32-bit version of QS3245

• Flow-through pinout for easy layout

• Undershoot clamp diodes on all switch and control inputs

• TTL-compatible control inputs

• Available in 80-pin MilliPaQ™ package

APPLICATIONS:

• Hot-swapping, hot-docking

• Voltage translation (5V to 3.3V)

• Bus switching and isolation

• Power conservation

• Logic replacement (data processing)

• Capacitance isolation

• Clock gating

IDTQS34X245

QUICKSWITCH® PRODUCTS

HIGH-SPEED CMOS

QUICKSWITCH 32-BIT

MULTIWIDTH™ BUS SWITCHES

DESCRIPTION:

The QS34X245 is a member of the MultiWidthTM family of QuickSwitch

devicesandprovidesasetof32high-speedCMOScompatiblebusswitches

in a flow-through pinout. This device is available in the MilliPaQ package,

the world's first small outline 32-bit solution. The low ON-resistance of the

QS34X245 allows inputs to be connected to outputs without adding propa-

gation delay and without generating additional ground bounce noise. When

Output Enable (OEn) is low, the switches are turned on, connecting bus A

tobusB. WhenOEnishigh,theswitchesareturnedoff.Thisdeviceisideally

suited for 32/64 bit applications where board space is at a premium.

QuickSwitch devices provide speeds an order of magnitude faster than

conventional logic devices.

The QS34X245 is characterized for operation at -40°C to +85°C.

B 0

OE 1

A 0

B 1

A 1

B 2

A 2

B 3

A 3

B 4

A 4

B 5

A 5

B 6

A 6

B 7

B 8

OE 2

A 8

B 9

A 9

B10

A10

B11

A11

B12

A12

B13

A13

B14

A 14

B15

A15

B16

OE 3

A16

B17

A17

B18

A18

B19

A19

B20

A20

B21

A21

B22

A22

B23

A 23

B24

OE 4

A 24

B25

A 25

B26

A 26

B27

A 27

B28

A 28

B29

A 29

B30

A 30

B31

A 31

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