557G-06LF Integrated Device Technology (Idt), 557G-06LF Datasheet
![no-image](/images/manufacturer_photos/0/3/333/integrated_device_technology__idt__sml.jpg)
557G-06LF
Specifications of 557G-06LF
Related parts for 557G-06LF
557G-06LF Summary of contents
Page 1
TO 4 DIFFERENTIAL CLOCK MUX Description The ICS557- two to four differential clock mux designed for use in PCI-Express applications. The device selects one of the two differential HCSL or LVDS input pairs and fans out to ...
Page 2
ICS557- DIFFERENTIAL CLOCK MUX Pin Assignment SEL 1 VDDIN 2 IN1 3 IN1 IN2 6 7 IN2 GND 10 IREF 20-pin (173 mil) TSSOP Pin Descriptions Pin Pin Pin Name Type ...
Page 3
ICS557- DIFFERENTIAL CLOCK MUX Application Information Decoupling Capacitors As with any high-performance mixed-signal IC, the ICS557-06 must be isolated from system power supply noise to perform optimally. Decoupling capacitors of 0.01µF must be connected between each VDD ...
Page 4
ICS557- DIFFERENTIAL CLOCK MUX Output Structures IREF =2.3 mA See Output Termination Sections - Pages Ω R 475 R General PCB Layout Recommendations For optimum device performance and lowest output phase noise, the following ...
Page 5
ICS557- DIFFERENTIAL CLOCK MUX PCI-Express Layout Guidelines Common Recommendations for Differential Routing L1 length, Route as non-coupled 50 ohm trace. L2 length, Route as non-coupled 50 ohm trace. L3 length, Route as non-coupled 50 ohm trace. R ...
Page 6
ICS557- DIFFERENTIAL CLOCK MUX LVDS Compatible Layout Guidelines Alternative T ermination for LVDS and other Common Differential Signals Vdiff Vp-p Vcm 0.45v 0.22v 1.08 0.58 0.28 0.6 0.80 0.40 0.6 0.60 0.3 1.2 R1a = R1b = ...
Page 7
ICS557- DIFFERENTIAL CLOCK MUX Absolute Maximum Ratings Stresses above the ratings listed below can cause permanent damage to the ICS557-06. These ratings are stress ratings only. Functional operation of the device at these or any other conditions ...
Page 8
ICS557- DIFFERENTIAL CLOCK MUX AC Electrical Characteristics - CLKOUTA/CLKOUTB Unless stated otherwise, VDD=3.3 V ±5%, Ambient Temperature -40 to +85° C Parameter Symbol Input Frequency Output Frequency 1,2 Input High Voltage V IH 1,2 Input Low Voltage ...
Page 9
... ICS557- DIFFERENTIAL CLOCK MUX Thermal Characteristics Parameter Thermal Resistance Junction to Ambient Thermal Resistance Junction to Case Marking Diagrams (ICS557G-06LF) 20 ###### IC S YYWW 557G06LF 1 Notes: 1. ###### is the lot code. 2. YYWW is the last two digits of the year, and the week number that the part was assembled. ...
Page 10
... Part / Order Number Marking 557G-06LF See Page 9 557G-06LFT 557GI-06LF 557GI-06LFT "LF" suffix to the part number are the Pb-Free configuration and are RoHS compliant. While the information presented herein has been checked for both accuracy and reliability, Integrated Device Technology (IDT) assumes no responsibility for either its use or for the infringement of any patents or other rights of third parties, which would result from its use ...
Page 11
ICS557- DIFFERENTIAL CLOCK MUX 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 © 2010 Integrated Device Technology, Inc. All rights reserved. Product ...