PDF ICS8530 Data sheet ( Hoja de datos )

Número de pieza	ICS8530
Descripción	LVPECL FANOUT BUFFER
Fabricantes	ICST
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Hay una vista previa y un enlace de descarga de ICS8530 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas
No Preview Available ! www.DataSheet4U.com Integrated Circuit Systems, Inc. ICS8530 LOW SKEW, 1-TO-16 DIFFERENTIAL-TO-2.5V LVPECL FANOUT BUFFER GENERAL DESCRIPTION The ICS8530 is a low skew, 1-to-16 Differential- ,&6 to-2.5V LVPECL Fanout Buffer and a member of HiPerClockS™ the HiPerClockS™ family of High Performance Clock Solutions from ICS. The CLK, nCLK pair can accept most standard differential input lev- els. The high gain differential amplifier accepts peak-to-peak input voltages as small as 150mV, as long as the common mode voltage is within the specified minimum and maximum range. Guaranteed output and part-to-part skew characteristics make the ICS8530 ideal for those clock distribution applica- tions demanding well defined performance and repeatability. FEATURES • 16 differential 2.5V LVPECL outputs • CLK, nCLK input pair • CLK, nCLK pair can accept the following differential input levels: LVDS, LVPECL, LVHSTL, SSTL, HCSL • Maximum output frequency up to 500MHz • Translates any single-ended input signal to 2.5V LVPECL levels with a resistor bias on nCLK input • Output skew: 50ps (maximum) • Part-to-part skew: 250ps (maximum) • Propagation Delay: 2ns (maximum) • 3.3V core, 2.5V output operating supply • 0°C to 70°C ambient operating temperature • Industrial temperature information available upon request BLOCK DIAGRAM CLK nCLK Q0 nQ0 Q1 nQ1 Q2 nQ2 Q3 nQ3 Q4 nQ4 Q5 nQ5 Q6 nQ6 Q7 nQ7 ICS8530DY PIN ASSIGNMENT Q15 nQ15 Q14 nQ14 Q13 nQ13 Q12 nQ12 Q11 nQ11 Q10 nQ10 Q9 nQ9 Q8 nQ8 VCCO Q11 nQ11 Q10 nQ10 VEE Q9 nQ9 Q8 nQ8 VCCO VCC 48 47 46 45 44 43 42 41 40 39 38 37 1 36 2 35 3 34 4 33 5 32 6 7 ICS8530 31 30 8 29 9 28 10 27 11 26 12 25 13 14 15 16 17 18 19 20 21 22 23 24 CLK VCCO nQ0 Q0 nQ1 Q1 VEE nQ2 Q2 nQ3 Q3 VCCO 48-Pin LQFP 7mm x 7mm x 1.4mm package body Y Package Top View www.icst.com/products/hiperclocks.html 1 REV. C AUGUST 7, 2001 1 page Integrated Circuit Systems, Inc. ICS8530 LOW SKEW, 1-TO-16 DIFFERENTIAL-TO-2.5V LVPECL FANOUT BUFFER PARAMETER MEASUREMENT INFORMATION VCC VCCO LVPECL V = 2.8V CC VCCO = 2V SCOPE Qx nQx ICS8530DY VEE = -0.5V ± 0.135V FIGURE 1 - OUTPUT LOAD TEST CIRCUIT VCC CLK nCLK V PP Cross Points V CMR VEE FIGURE 2 - DIFFERENTIAL INPUT LEVEL Qx nQx Qy nQy t sk(o) FIGURE 3 - OUTPUT SKEW www.icst.com/products/hiperclocks.html 5 REV. C AUGUST 7, 2001 5 Page Integrated Circuit Systems, Inc. PACKAGE OUTLINE - Y SUFFIX ICS8530 LOW SKEW, 1-TO-16 DIFFERENTIAL-TO-2.5V LVPECL FANOUT BUFFER ICS8530DY TABLE 8. PACKAGE DIMENSIONS SYMBOL JEDEC VARIATION ALL DIMENSIONS IN MILLIMETERS BBC MINIMUM NOMINAL N 48 A -- -- A1 0.05 -- A2 1.35 1.40 b 0.17 0.22 c 0.09 -- D 9.00 BASIC D1 7.00 BASIC D2 5.50 Ref. E 9.00 BASIC E1 7.00 BASIC E2 5.50 Ref. e 0.50 BASIC L 0.45 0.60 q 0° -- ccc -- -- Reference Document: JEDEC Publication 95, MS-026 MAXIMUM 1.60 0.15 1.45 0.27 0.20 0.75 7° 0.08 www.icst.com/products/hiperclocks.html 11 REV. C AUGUST 7, 2001 11 Page

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