ics557-03 Integrated Device Technology, ics557-03 Datasheet
ics557-03
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ics557-03 Summary of contents
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... PCI-EXPRESS CLOCK SOURCE Description The ICS557- spread spectrum clock generator that supports PCI-Express and Ethernet requirements. The device is used for PC or embedded systems to substantially reduce electromagnetic interference (EMI). The device provides two differential (HCSL) spread spectrum outputs. The spread type and amount are configured via select pin. ...
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... Connect to voltage supply +3.3 V for output driver and analog circuits Connect to ground. Connect to voltage supply +3.3 V for crystal oscillator and digital circuit CLK(1:0), CLK(1:0) 0 25M 1 100M 0 125M 1 200M SS0 Spread Spread 1 Down -0.5 0 Down -0. Spread ICS557-03 PCIE SSCG REV L 022608 ...
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... ICS pin. Crystal A 25 MHz fundamental mode parallel resonant crystal should be used. This crystal must have less than 300 ppm of error across temperature in order for the ICS557-03 to meet PCI Express specifications. Crystal Capacitors Crystal capacitors are connected from pins X1 to ground and X2 to ground to optimize the accuracy of the output frequency ...
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... Dimension or Value Unit 0.5 max inch 0.2 max inch 0.2 max inch 33 ohm 49.9 ohm Dimension or Value Unit 2 min to 16 max inch 1.8 min to 14.4 max inch Dimension or Value Unit 0. max inch 0.225 min to 12.6 max inch L4 L4’ PCI-Express Load or Connector ICS557-03 PCIE SSCG REV L 022608 ...
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... IDT™ / ICS™ PCI-EXPRESS CLOCK SOURCE L1’ L2’ 1250 mV 1150 mV 5 Dimension or Value Unit 0.5 max inch 0.2 max inch 100 ohm 100 ohm 150 ohm L3’ LVDS Device Load ICS557-03 PCIE SSCG REV L 022608 ...
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... PCI-EXPRESS CLOCK SOURCE Absolute Maximum Ratings Stresses above the ratings listed below can cause permanent damage to the ICS557-03. These ratings are stress ratings only. Functional operation of the device at these or any other conditions above those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods can affect product reliability ...
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... PCIE SSCG Min. Typ. Max. Units 25 MHz 25 200 MHz 25 100 MHz 660 700 850 mV -150 250 350 550 mV 140 ppm 30 31.5 33 kHz 175 332 700 ps 175 344 700 ps 125 µ µs 3.0 3.5 ms 3.0 3.5 ms ICS557-03 REV L 022608 ...
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... Symbol Conditions Min. θ Still air JA θ 1 m/s air flow JA θ 3 m/s air flow JA θ JC Marking Diagram (ICS557GI-03 Marking Diagram (ICS557GI-03LF PCIE SSCG Typ. Max. Units ° C/W 78 ° C/W 70 ° C/W 68 ° C 557GI-03 ###### YYWW 557GI03L ###### YYWW 1 8 ICS557-03 REV L 022608 ...
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... TSSOP 0 to +70° C 16-pin TSSOP 0 to +70° C 16-pin TSSOP 0 to +70° C 16-pin TSSOP -40 to +85° C 16-pin TSSOP -40 to +85° C 16-pin TSSOP -40 to +85° C 16-pin TSSOP -40 to +85° C ICS557-03 PCIE SSCG Max 0.047 0.006 0.041 0.012 0.008 0.201 0.177 0.030 8° 0.004 c ...
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... ICS557-03 PCI-EXPRESS CLOCK SOURCE Innovate with IDT and accelerate your future networks. Contact: www.IDT.com For Sales 800-345-7015 408-284-8200 Fax: 408-284-2775 Corporate Headquarters Integrated Device Technology, Inc. www.idt.com © 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 ...