8714004DKILFT
8714004DKILFT Datasheet
ICS8714004I
| Part | Datasheet |
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8714004DKILFT |
8714004DKILFT (pdf) |
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| Zero Delay Buffer/ Clock Generator for PCI Express and Ethernet ICS8714004I DATA SHEET The ICS8714004I is Zero-Delay Buffer/Frequency Multiplier with four differential HCSL output pairs, and uses external feedback differential feedback input and output pairs for “zero delay” clock regeneration. In PCI Express and Ethernet applications, 100MHz and 125MHz are the most commonly used reference clock frequencies and each of the four output pairs can be independently set for either 100MHz or 125MHz. With an output frequency range of 98MHz to 165MHz, the device is also suitable for use in a variety of other applications such as Fibre Channel 106.25MHz and XAUI 156.25MHz . The M-LVDS Input/Output pair is useful in backplane applications when the reference clock can either be local on the same board as the ICS8714004I or remote via a backplane connector. In output mode, an input from a local reference clock applied to the CLK, nCLK input pins is translated to M-LVDS and driven out to the MLVDS, nMLVDS pins. In input mode, the internal M-LVDS driver is placed in a High-Impedance state using the OE_MLVDS pin and MLVDS, nMLVDS pin then becomes an input e.g. from a backplane . The ICS8714004I uses low phase noise FemtoClock technology, thus making it ideal for such applications as PCI Express Generation 1, 2 and 3 as well as for Gigabit Ethernet, Fibre Channel, and 10 Gigabit Ethernet. It is packaged in a 40-VFQFN package 6mm x 6mm . • Four 0.7V differential HCSL output pairs, individually selectable for 100MHz or 125MHz for PCIe and Ethernet applications • One differential clock input pair CLK, nCLK can accept the following differential input levels LVPECL, LVDS, M-LVDS, LVHSTL, HCSL • One M-LVDS I/O pair MLVDS, nMLVDS • Output frequency range 98MHz - 165MHz • Input frequency range 19.6MHz - 165MHz • VCO range 490MHz - 660MHz • PCI Express Gb/s , Gen 2 5 Gb/s , and Gen 3 8 Gb/s jitter compliant • External feedback for “zero delay” clock regeneration • RMS phase jitter 125MHz 1.875MHz 20MHz : 0.558ps typical • Full 3.3V supply mode • -40°C to 85°C ambient operating temperature • Lead-free RoHs 6 packaging Pin Assignment PDIV1 PDIV0 nCLK CLK VDDA VDD Q0 nQ0 Q1 nQ1 VDD OE_MLVDS MLVDS nMLVDS PLL_SEL FBO_DIV MR OE0 OE1 GND 40 39 38 37 36 35 34 33 32 31 11 12 13 14 15 16 17 18 19 20 VDD Q2 nQ2 GND Q3 nQ3 FBOUT nFBOUT VDD IREF VDD FBI_DIV0 FBI_DIV1 nFBIN FBIN GND QDIV0 QDIV1 QDIV2 QDIV3 ICS8714004I 40-Lead VFQFN 6mm x 6mm x 0.925mm package body 4.65mm x 4.65mm Epad Size K Package Top View 2014 Integrated Device Technology, Inc. ICS8714004I Data Sheet Block Diagram Zero Delay Buffer/Clock Generator for PCI Express and Ethernet PDIV1 Pulldown PDIV0 Pulldown CLK nCLK Pulldown Pullup/Pulldown PDIV1:0 00 ÷4 default 01 ÷5 10 ÷8 11 ÷1 OE_MLVDS Pullup MLVDS nMLVDS Pullup FBI_DIV1 Pullup FBI_DIV0 FBIN Pulldown nFBIN Pullup/Pulldown IREF Ordering Information Table Ordering Information Part/Order Number Marking 8714004DKILF ICS714004DIL 8714004DKILFT ICS714004DIL Zero Delay Buffer/Clock Generator for PCI Express and Ethernet Package “Lead-Free” 40 Lead VFQFN “Lead-Free” 40 Lead VFQFN Shipping Packaging Tray Tape & Reel Temperature -40qC to 85qC -40qC to 85qC 2014 Integrated Device Technology, Inc. ICS8714004I Data Sheet Zero Delay Buffer/Clock Generator for PCI Express and Ethernet We’ve Got Your Timing Solution 6024 Silver Creek Valley Road San Jose, California 95138 Sales 800-345-7015 inside USA +408-284-8200 outside USA Fax 408-284-2775 Technical Support +480-763-2056 DISCLAIMER Integrated Device Technology, Inc. IDT and its subsidiaries reserve the right to modify the products and/or specifications described herein at any time and at IDT’s sole discretion. All information in this document, including descriptions of product features and performance, is subject to change without notice. Performance specifications and the operating parameters of the described products are determined in the independent state and are not guaranteed to perform the same way when installed in customer products. The information contained herein is provided without representation or warranty of any kind, whether express or implied, including, but not limited to, the suitability of IDT’s products for any particular purpose, an implied warranty of merchantability, or non-infringement of the intellectual property rights of others. This document is presented only as a guide and does not convey any license under intellectual property rights of IDT or any third parties. IDT’s products are not intended for use in applications involving extreme environmental conditions or in life support systems or similar devices where the failure or malfunction of an IDT product can be reasonably expected to significantly affect the health or safety of users. Anyone using an IDT product in such a manner does so at their own risk, absent an express, written agreement by IDT. Integrated Device Technology, IDT and the IDT logo are registered trademarks of IDT. Other trademarks and service marks used herein, including protected names, logos and designs, are the property of IDT or their respective third party owners. Copyright All rights reserved. |
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