ICS8442AYLF
ICS8442AYLF Datasheet
ICS
| Part | Datasheet |
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ICS8442AYLF |
ICS8442AYLF (pdf) |
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ICS8442AYLFT |
ICS8442AYLFT |
| PDF Datasheet Preview |
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| DATA SHEET 7L0V0DMSHFZR, CNITLHLEASTIOZERR-T7O00-DMIHFZF, 8442 HiPerClockS The ICS8442 is a general purpose, dual output Crystal-to-Differential LVDS High Frequency Synthesizer and a member of the HiPerClockS family of High Performance Clock Solutions from • Dual differential LVDS outputs • Selectable crystal oscillator interface or LVCMOS/LVTTL TEST_CLK ICS. The ICS8442 has a selectable TEST_CLK • Output frequency range 31.25MHz to 700MHz or crystal input. The TEST_CLK input accepts LVCMOS or LVTTL input levels and translates them to LVDS levels. The • Crystal input frequency range 10MHz to 25MHz VCO operates at a frequency range of 250MHz to 700MHz. • VCO range 250MHz to 700MHz The VCO frequency is programmed in steps equal to the value of the input reference or crystal frequency. The VCO and output frequency can be programmed using the serial or parallel • Parallel or serial interface for programming counter and output dividers interface to the configuration logic. The low phase noise characteristics of the ICS8442 makes it an ideal clock source for Gigabit Ethernet and Sonet applications. • RMS period jitter 2.7ps typical • Cycle-to-cycle jitter 18ps typical • 3.3V supply voltage • 0°C to 85°C ambient operating temperature • Lead-Free package fully RoHS compliant BLOCK DIAGRAM VCO_SEL XTAL_SEL TEST_CLK XTAL_IN XTAL_OUT 0 OSC 1 S_LOAD S_DATA S_CLOCK nP_LOAD M0:M8 N0:N1 PHASE DETECTOR CONFIGURATION INTERFACE LOGIC PIN ASSIGNMENT XTAL_IN nP_LOAD VCO_SEL M0 M1 M2 M3 M4 FOUT0 nFOUT0 FOUT1 nFOUT1 M5 M6 M7 M8 N0 N1 nc GND 32 31 30 29 28 27 26 25 ICS8442 9 10 11 12 13 14 15 16 XTAL_OUT TEST_CLK XTAL_SEL VDDA S_LOAD S_DATA S_CLOCK MR GND nFOUT0 FOUT0 VDD nFOUT1 FOUT1 VDD TEST TEST 32-Lead LQFP 7mm x 7mm x 1.4mm package body Y Package Top View 8442AY TABLE ORDERING INFORMATION Part/Order Number Marking Package Shipping Packaging Temperature 8442AY ICS8442AY 32 Lead LQFP tray 0°C to 85°C 8442AYT ICS8442AY 32 Lead LQFP 1000 tape & reel 0°C to 85°C 8442AYLF ICS8442AYLF 32 Lead "Lead-Free" LQFP tray 0°C to 85°C 8442AYLFT ICS8442AYLF 32 Lead "Lead-Free" LQFP 1000 tape & reel 0°C to 85°C NOTE Parts that are ordered with an "LF" suffix to the part number are the Pb-Free configuration and are RoHS compliant. The aforementioned trademark, HiPerClockS is a trademark of Integrated Circuit Systems, Inc. or its subsidiaries in the United States and/or other countries. While the information presented herein has been checked for both accuracy and reliability, Integrated Circuit Systems, Incorporated ICS assumes no responsibility for either its use or for infringement of any patents or other rights of third parties, which would result from its use. No other circuits, patents, or licenses are implied. This product is intended for use in normal commercial applications. Any other applications such as those requiring extended temperature range, high reliability, or other extraordinary environmental requirements are not recommended without additional processing by ICS. ICS reserves the right to change any circuitry or specifications without notice. ICS does not authorize or warrant any ICS product for use in life support devices or critical medical instruments. 8442AY 14 IDT / ICS 700MHZ, CRYSTAL OSCILLATOR-TO-DIFFERENTIAL LVDS FREQUENCY SYNTHESIZER ICS8442 ICS8442 700MH , C O - -D 700MHZ, Integrated Circuit CRYSTASLyOstSeCmILsL, AInTcO.R-TO-DIFFERENTIAL LVDS FREQUZENCYRSYYSNTTAHLESIZSECRILLATOR LVDS F S REQUENCY IFFERENTIATLSD YNTHESIZER Table T1 T4A Page 2 3 5 6 2 6 9 5 14 6 9 1 AC Characteristics Table - added Note Added Applications Note, "Differential Duty Cycle Improvement". Changed XTAL1/2 naming convention to XTAL_IN/_OUT throughout the datasheet. Pin Assignment, corrected pin 24 to read XTAL_OUT from XTAL1 and pin 25 to XTAL_IN from XTAL2. Updated Figure 1, Parallel & Serial Load Operations diagram. Crystal Characteristics Table - added Drive Level AC Characteristics Table - changed test conditions for Cycle-to-Cycle Jitter from = 350MHz to N = 1, 2 and < 350MHz to N = Corrected Crystal Input Interface diagram. Updated Schematic Layout diagram. Add Lead-Free note to Ordering Information Table. Date 12/18/02 2/13/03 3/12/03 5/9/03 8/12/03 7/8/04 12/15/04 5/10/05 8442AY 15 IDT / ICS 700MHZ, CRYSTAL OSCILLATOR-TO-DIFFERENTIAL LVDS FREQUENCY SYNTHESIZER ICS8442 IMICCKSS12184885349092041072--1041 TTSSDD Innovate with IDT and accelerate your future networks. Contact: For Sales 800-345-7015 408-284-8200 Fax 408-284-2775 For Tech Support 408-284-8200 Corporate Headquarters Integrated Device Technology, Inc. 6024 Silver Creek Valley Road San Jose, CA 95138 United States 800 345 7015 +408 284 8200 outside U.S. Asia Pacific and Japan Integrated Device Technology Singapore 1997 Pte. Ltd. Reg. No. 199707558G 435 Orchard Road #20-03 Wisma Atria Singapore 238877 +65 6 887 5505 Europe IDT Europe, Limited Prime House Barnett Wood Lane Leatherhead, Surrey United Kingdom KT22 7DE +44 1372 363 339 2006 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice. IDT and the IDT logo are trademarks of Integrated Device Technology, Inc. Accelerated Thinking is a service mark of Integrated Device Technology, Inc. All other brands, product names and marks are or may be trademarks or registered trademarks used to identify products or services of their respective owners. Printed in USA |
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