PDF ICS855011 Data sheet ( Hoja de datos )

Número de pieza	ICS855011
Descripción	1-to-2 Differential-to-2.5V/3.3V CML Fanout Buffer
Fabricantes	Integrated Circuit System
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No Preview Available ! Integrated Circuit Systems, Inc. PRELIMINARY ICS855011 L S , 1- -2OW KwEwWw.DataTShOeet4U.com DIFFERENTIAL-TO-2.5V/3.3V CML FANOUT BUFFER GENERAL DESCRIPTION The ICS855011 is a low skew, high perfor- ICS mance 1-to-2 Differential-to-2.5V/3.3V CML HiPerClockS™ F a n o u t B u f f e r a n d a m e m b e r o f t h e HiPerClockS ™ family of High Performance Clock Solutions from ICS. The ICS855011 is characterized to operate from either a 2.5V or a 3.3V power supply. Guaranteed output and par t-to-par t skew characteristics make the ICS855011 ideal for those clock distribution applications demanding well defined perfor mance and repeatability. FEATURES • 2 differential 2.5V/3.3V CML outputs • 1 differential PCLK, nPCLK input pair • PCLK, nPCLK pair can accept the following differential input levels: LVPECL, LVDS, CML, SSTL • Output frequency: >3GHz • Translates any single ended input signal to 3.3V LVPECL levels with resistor bias on nPCLK input • Output skew: 5ps (typical) • Part-to-part skew: TBD • Propagation delay: 242ps (typical) • Operating voltage supply range: VCC = 2.375V to 3.8V, VEE = 0V • -40°C to 85°C ambient operating temperature BLOCK DIAGRAM PCLK nPCLK Q0 nQ0 Q1 nQ1 PIN ASSIGNMENT Q0 nQ0 Q1 nQ1 1 2 3 4 8 Vcc 7 PCLK 6 nPCLK 5 VEE ICS855011 8-Lead SOIC 3.90mm x 4.90mm x 1.37mm package body M Package Top View The Preliminary Information presented herein represents a product in prototyping or pre-production. The noted characteristics are based on initial product characterization. Integrated Circuit Systems, Incorporated (ICS) reserves the right to change any circuitry or specifications without notice. 855011AM www.icst.com/products/hiperclocks.html REV. A AUGUST 18, 2004 1 1 page Integrated Circuit Systems, Inc. PRELIMINARY ICS855011 L S , 1- -2OW KwEwWw.DataTShOeet4U.com DIFFERENTIAL-TO-2.5V/3.3V CML FANOUT BUFFER PARAMETER MEASUREMENT INFORMATION + 3.3V ± 5% or 2.5V ± 5% CML with Internal Pullup VCC GND Power Float GND Supply - VEE SCOPE Qx nQx VCC nPCLK PCLK V PP VEE Cross Points V CMR OUTPUT LOAD AC TEST CIRCUIT nQx PART 1 Qx nQy PART 2 Qy t sk(pp) PART-TO-PART SKEW DIFFERENTIAL INPUT LEVEL nQx Qx nQy Qy t sk(o) OUTPUT SKEW Clock 20% Outputs 80% tR OUTPUT RISE/FALL TIME 80% tF nPCLK VSW I N G 20% PCLK nQ0, nQ1 Q0, Q1 tPD PROPAGATION DELAY nQ0, nQ1 Q0, Q1 Pulse Width t PERIOD odc = t PW t PERIOD OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD 855011AM www.icst.com/products/hiperclocks.html 5 REV. A AUGUST 18, 2004 5 Page

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Número de pieza	Descripción	Fabricantes
ICS855011	1-to-2 Differential-to-2.5V/3.3V CML Fanout Buffer	Integrated Circuit System

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