ICS840002 datasheet(8/12 Pages) ICST

부품명	ICS840002

상세설명	FEMTOCLOCKS??CRYSTAL-TO LVCMOS/

PDF	12 Pages

Scroll/Zoom	100%

제조업체	ICST [Integrated Circuit Systems]

홈페이지	http://www.icst.com

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8 / 12 page

Integrated

Circuit

Systems, Inc.

840002AGI

www.icst.com/products/hiperclocks.html

REV. A MARCH 10, 2005

ICS840002I

FEMTOCLOCKS™CRYSTAL-TO-

LVCMOS/LVTTL FREQUENCY SYNTHESIZER

PARAMETER MEASUREMENT INFORMATION

Pulse Width

PERIOD

odc =

DDO

Q0, Q1

RMS PHASE JITTER

OUTPUT SKEW

3.3V CORE/3.3V OUTPUT LOAD AC TEST CIRCUIT

SCOPE

LVCMOS

1.65V±5%

-1.65V±5%

OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD

Clock

Outputs

20%

80%

20%

t F

DD,

DDA, VDDO

GND

Phase Noise Mask

Offset Frequency

Phase Noise Plot

RMS Jitter = Area Under the Masked Phase Noise Plot

tsk(o)

DDO

OUTPUT RISE/FALL TIME

SCOPE

LVCMOS

2.05V±5%

-1.25V±5%

DD,

DDA

GND

1.25V±5%

DDO

3.3V CORE/2.5V OUTPUT LOAD AC TEST CIRCUIT

2.5V CORE/2.5V OUTPUT LOAD AC TEST CIRCUIT

SCOPE

LVCMOS

1.25V±5%

-1.25V±5%

DD,

DDA, VDDO

GND

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