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ICS843001I-23

Integrated Circuit Systems
Part Number ICS843001I-23
Manufacturer Integrated Circuit Systems
Description FEMTOCLOCKS CRYSTAL-TO-3.3V LVPECL/LVCMOS FREQUENCY SYNTHESIZER
Published May 14, 2010
Detailed Description PRELIMINARY Integrated Circuit Systems, Inc. ICS843001I-23 FEMTOCLOCKS™ CRYSTAL-TO-3.3V LVPECL/LVCMOS FREQUENCY SYNTHE...
Datasheet PDF File ICS843001I-23 PDF File

ICS843001I-23
ICS843001I-23

Overview
PRELIMINARY Integrated Circuit Systems, Inc.
ICS843001I-23 FEMTOCLOCKS™ CRYSTAL-TO-3.
3V LVPECL/LVCMOS FREQUENCY SYNTHESIZER FEATURES • One 3.
3V LVPECL output pair and one LVCMOS/LVTTL REF_OUT output • Selectable crystal oscillator interfaces or LVCMOS/LVTTL single-ended input • Crystal and CLK range: 17.
5MHz - 29.
54MHz • Able to generate GbE/10GbE/12GbE, Fibre Channel (1Gb/4Gb/10Gb), PCI-E and SATA from a 25MHz crystal • VCO range: 1.
12GHz - 1.
3GHz • Supports the following applications: SONET, Ethernet, Fibre Channel, Serial ATA, and HDTV • RMS phase jitter @ 622.
08MHz (12kHz - 20MHz): <1ps (typical) design target • Supply modes: VCC/VCCO 3.
3V/3.
3V 3.
3V/2.
5V 2.
5V/2.
5V • -40°C to 85°C ambient operating temperature • Available in both standard and lead-free RoHS-compliant packages GENERAL DESCRIPTION The ICS843001I-23 is a highly versatile, low IC S phase noise LVPECL/LVCMOS Synthesizer HiPerClockS™ which can generate low jitter reference clocks for a variety of communication applications and is a member of the HiPerClocksTM family of high performance clock solutions from ICS.
The dual crystal interface allows the synthesizer to support up to three communication standards in a given application (i.
e.
SONET with a 19.
44MHz crystal, 1Gb/10Gb Ethernet and Fibre Channel using a 25MHz crystal).
The rms phase jitter performance is typically less than 1ps, thus www.
DataSheet4U.
com making the device acceptable for use in demanding applications such as OC48 SONET, GbE/10Gb Ethernet and SAN applications.
The ICS843001I-23 is packaged in a small 24-pin TSSOP package.
BLOCK DIAGRAM 3 N2:N0 SEL0 Pulldown PIN ASSIGNMENT SEL1 Pulldown N XTAL_IN0 000 001 010 011 100 101 110 111 ÷2 ÷4 ÷5 ÷6 ÷8 (default) ÷10 ÷12 ÷16 OSC XTAL_OUT0 XTAL_IN1 00 11 OSC XTAL_OUT1 CLK Pulldown 01 Phase Detector VCO 10 01 00 VCCO_LVCMOS N0 N1 N2 VCCO_LVPECL Q nQ Q VEE VCCA nQ VCC XTAL_OUT1 XTAL_IN1 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 REF_OUT VEE OE_REF M2 M1 M0 MR ...


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