8523BGILFT
8523BGILFT Datasheet
The ICS8523I is a low skew, high performance 1-to-4 Differential-to-HSTL fanout buffer
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8523BGILFT |
8523BGILFT (pdf) |
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8523BGILF |
8523BGILF |
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| DATA SHEET LOW SKEW, BUFFER The ICS8523I is a low skew, high performance 1-to-4 Differential-to-HSTL fanout buffer HiPerClockS and a member of the HiPerClockS family of High Performance Clock Solutions from ICS. The ICS8523I has two selectable clock inputs. The CLK, nCLK pair can accept most standard differential input levels. The PCLK, nPCLK pair can accept LVPECL, CML, or SSTL input levels. The clock enable is internally synchronized to eliminate runt pulses on the outputs during asynchronous assertion/deassertion of the clock enable pin. Guaranteed output and part-to-part skew characteristics make the ICS8523I ideal for those applications demanding well defined performance and repeatability. • 4 differential HSTL compatible outputs • Selectable diffferential CLK, nCLK or LVPECL clock inputs • CLK, nCLK pair can accept the following differential input levels LVDS, LVPECL, HSTL, SSTL, HCSL • PCLK, nPCLK supports the following input types: LVPECL, CML, SSTL • Maximum output frequency 650MHz • Translates any single-ended input signal to HSTL levels with resistor bias on nCLK input • Output skew 50ps maximum • Part-to-part skew 250ps maximum • Propagation delay 1.6ns maximum • 3.3V core, 1.8V output operating supply • Lead-Free package available • -40°C to 85°C ambient operating temperature BLOCK DIAGRAM CLK_EN CLK nCLK PCLK nPCLK CLK_SEL PIN ASSIGNMENT GND 1 20 Q0 CLK_EN 2 19 nQ0 CLK_SEL 3 1 8 VDDO CLK 4 17 Q1 Q0 nQ0 nCLK 5 PCLK 6 16 nQ1 15 Q2 Q1 nQ1 nPCLK 7 nc 8 nc 9 14 nQ2 1 3 VDDO 12 Q3 VDD 10 11 nQ3 ICS8523I 20-Lead TSSOP 6.5mm x 4.4mm x 0.92mm body package G Package Top View TABLE ORDERING INFORMATION Part/Order Number Marking ICS8523BGI ICS8523BGI ICS8523BGIT ICS8523BGI ICS8523BGILF ICS8523BGILF ICS8523BGILFT ICS8523BGILF Package 20 lead TSSOP 20 lead TSSOP on Tape and Reel 20 lead "Lead-Free" TSSOP 20 lead "Lead-Free" TSSOP on Tape and Reel Count 72 per tube 2500 72 per tube 2500 Temperature -40°C to 85°C -40°C to 85°C -40°C to 85°C -40°C to 85°C 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. 8523BGI 15 IDT / ICS LOW SKEW, 1-TO-4 DIFFERENTIAL-TO-HSTL FANOUT BUFFER ICS8523I ICS8523I Integrated Circuit LOW SKEW, 1-TOS-4yDstIeFmFEsR, IEnNcT.IAL-TO-HSTL FANOUT BUFFER ICS8523I LOW SKEW, 1-TO-T4SD DIFFERENTIAL-TO-HSTL FANOUT BUFFER Page 5 1 8 - 10 2 4 5 11 - 12 1 9 15 Description of Change AC Characteristics table. tPD row, changed Min. from 1.2ns to 1.0ns. In the Application Information section, added Schematic Examples Pin Characteristics Table - changed CIN 4pF max. to 4pF typical. Absolute Maximum Ratings - changed Output rating. HSTL DC Characteristics Table - changed VOH 1V min. to 0.9V min. Power Considerations - changed Total Power Dissipation to reflect VOH change. Calculations changed due to new Total Power Dissipation. Changed LVHSTL to HSTL throughout data sheet. Added Lead-Free bullet to Features section. Updated LVPECL Clock Input Interface section. Added Lead-Free Part Number to Ordering Information TAble. Date 1/11/02 5/6/02 10/28/02 6/23/03 9/16/04 8523BGI 16 IDT / ICS LOW SKEW, 1-TO-4 DIFFERENTIAL-TO-HSTL FANOUT BUFFER ICS8523I IICCSS88915517823420915823-BI08F12 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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