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ICS843004I-04

Integrated Circuit Systems
Part Number ICS843004I-04
Manufacturer Integrated Circuit Systems
Description FEMTOCLOCKS- CRYSTAL/LVCMOS-TO- 3.3V LVPECL FREQUENCY SYNTHESIZER
Published Mar 27, 2010
Detailed Description Integrated Circuit Systems, Inc. ICS843004I-04 www.DataSheet4U.com FEMTOCLOCKS™ CRYSTAL/LVCMOS-TO3.3V LVPECL FREQUENCY...
Datasheet PDF File ICS843004I-04 PDF File

ICS843004I-04
ICS843004I-04

Overview
Integrated Circuit Systems, Inc.
ICS843004I-04 www.
DataSheet4U.
com FEMTOCLOCKS™ CRYSTAL/LVCMOS-TO3.
3V LVPECL FREQUENCY SYNTHESIZER FEATURES • Four LVPECL outputs • Selectable crystal oscillator interface or LVCMOS/LVTTL single-ended input • Supports the following applications: SONET/SDH, SATA, or 10Gb Ethernet • Output frequency range: 140MHz - 170MHz, 560MHz - 680MHz • VCO range: 560MHz - 680MHz • Crystal oscillator and CLK range: 17.
5MHz - 21.
25MHz • RMS phase jitter @ 622.
08MHz output, using a 19.
44MHz crystal (12kHz - 20MHz): 0.
82ps (typical) • RMS phase jitter @ 156.
25MHz output, using a 19.
53125MHz crystal (1.
875MHz - 20MHz): 0.
57ps (typical) • RMS phase jitter @ 155.
52MHz output, using a 19.
44MHz crystal (12kHz - 20MHz): 0.
94ps (typical) • Full 3.
3V supply mode • -40°C to 85°C ambient operating temperature • Available in both standard and lead-free RoHS compliant packages GENERAL DESCRIPTION The ICS843004I-04 is a 4 output LVPECL Synthesizer optimized to generate clock HiPerClockS™ frequencies for a variety of high performance applications and is a member of the HiPerClocks TM family of high perfor mance clock solutions from ICS.
This device can select its input reference clock from either a crystal input or a singleended clock signal.
It can be configured to generate 4 outputs with individually selectable divide-by-one or divide-by-four function via the 4 frequency select pins ( F _ S E L [ 3 : 0 ] ) .
T h e I C S 8 4 3 0 0 4 I - 0 4 u s e s I C S ’ 3 rd generation low phase noise VCO technology and can achieve 1ps or lower typical r ms phase jitter.
This ensures that it will easily meet clocking requirements for SDH (STM-1/STM-4/STM-16) and SONET (OC-3/ OC12/OC-48).
This device is suitable for multi-rate and multiple port line card applications.
The ICS843004I-04 is conveniently packaged in a small 24-pin TSSOP package.
IC S BLOCK DIAGRAM XTAL_IN PIN ASSIGNMENT ÷1 Phase Detector VCO ÷4 0 1 OSC XTAL_OUT CLK Pulldown INPUT_SEL Pulldown 0 Q0 nQ0 1 M...


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