ICS844246AM データシートの表示（PDF） - Integrated Circuit Systems

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ICS844246AM

FEMTOCLOCKS™ CRYSTAL-TO-LVDS FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER

Integrated Circuit Systems 

Integrated

Circuit

Systems, Inc.

PRELIMINARY

ICS844246

FEMTOCLOCKS™ CRYSTAL-TO-LVDS

FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER

PARAMETER MEASUREMENT INFORMATION

3.3V

2.5V

3.3V±5%

POWER SUPPLY

+ Float GND -

LVDS

Qx SCOPE

nQx

LVDS

SCOPE

Qx

nQx

++ –

POWER

SUPPLY

Float GND

3.3V OUTPUT LOAD AC TEST CIRCUIT

3.3V/2.5V OUTPUT LOAD AC TEST CIRCUIT

nQx

Qx

nQy

Qy

t sk(o)

OUTPUT SKEW

Clock

20%

Outputs

80%

tR

80%

tF

nQ0:nQ5

Q0:Q5

t PW

t

PERIOD

odc = t PW x 100%

t PERIOD

OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD

VDD

out

VSWING DC Input LVDS

20%

out

➤

VOS/Δ VOS

OUTPUT RISE/FALL TIME

OFFSET VOLTAGE SETUP

VDD

DC Input LVDS

out

➤

100

VOD/Δ VOD

out

DIFFERENTIAL OUTPUT VOLTAGE SETUP

844246AM

www.icst.com/products/hiperclocks.html

7

REV. A SEPTEMBER 29, 2005

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