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ICS8534AY-01 Datasheet(PDF) 1 Page - Integrated Device Technology |
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ICS8534AY-01 Datasheet(HTML) 1 Page - Integrated Device Technology |
1 / 20 page LOW SKEW, 1-TO-22 DIFFERENTIAL-TO-3.3V LVPECL FANOUT BUFFER ICS8534-01 IDT™ / ICS™ 3.3V LVPECL FANOUT BUFFER 1 ICS8534AY-01 REV. A DECEMBER 6, 2007 General Description The ICS8534-01 is a low skew, 1-to-22 Differential-to-3.3V LVPECL Fanout Buffer and a member of the HiPerClockS™ Family of High Performance Clock Solutions from IDT. The ICS8534-01 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 device is internally synchronized to eliminate runt pulses on the outputs during asynchronous assertion/deassertion of the OE pin. The ICS8534-01’s low output and part-to-part skew characteristics make it ideal for workstation, server, and other high performance clock distribution applications. Features • Twenty-two differential LVPECL outputs • Selectable differential CLK/nCLK or LVPECL clock inputs can accept the following differential input levels: LVDS, LVPECL, LVHSTL • CLK/nCLK pair can accept the following differential input levels: LVPECL, LVDS, LVHSTL, HCSL, SSTL • PCLK/nPCLK supports the following input levels: LVPECL, CML, SSTL • Maximum output frequency: 500MHz • Output skew: 100ps (maximum) • Translates any single-ended input signal (LVCMOS, LVTTL, GTL) to LVPECL levels with resistor bias on nCLK input • Additive phase jitter, RMS): 0.04ps (typical) • Full 3.3V supply mode • 0°C to 85°C ambient operating temperature • Available in both standard (RoHS 5) and lead-free (RoHS 6) packages. HiPerClockS™ ICS Block Diagram Pin Assignment Q0:Q21 nQ0:nQ21 CLK_SEL OE CLK nCLK PCLK nPCLK D LE Q 0 1 22 22 Pullup Pullup Pulldown Pulldown Pullup/Pulldown Pullup/Pulldown 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 VCCO nQ6 Q6 Q5 nQ4 Q4 nQ3 nQ5 VCCO nQ2 Q3 Q2 nQ1 Q1 nQ0 Q0 nQ14 Q15 nQ15 Q14 Q16 VCCO nQ16 Q17 VCCO nQ17 Q18 nQ18 Q19 nQ19 Q20 nQ20 ICS8534-01 64-Lead TQFP E-Pad 10mm x 10mm x 1.0mm package body Y package Top View |
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