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85105AGILF Datasheet(PDF) 1 Page - Integrated Device Technology |
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85105AGILF Datasheet(HTML) 1 Page - Integrated Device Technology |
1 / 16 page LOW SKEW, 1-TO-5, DIFFERENTIAL/ LVCMOS-TO-0.7V HCSL FANOUT BUFFER ICS85105I IDT™ / ICS™ 0.7V HCSL FANOUT BUFFER 1 ICS85105AGI REV. A JUNE 5, 2008 GENERAL DESCRIPTION The ICS85105I is a low skew, high performance 1- to-5 Differential-to-0.7V HCSL Fanout Buffer and a member of the HiPerClockS™ family of High Pe r fo r mance Clock Solutions from IDT. The ICS85105I has two selectable clock inputs. The CLK0, nCLK0 pair can accept most standard differential input levels. The single-ended CLK1 can accept LVCMOS or LVTTL input levels. The clock enable is internally synchronized to eliminate runt clock pulses on the outputs during asynchro- nous assertion/deassertion of the clock enable pin. Guaranteed output and part-to-part skew characteristics make the ICS85105I ideal for those applications demanding well defined performance and repeatability. FEATURES • Five 0.7V differential HCSL outputs • Selectable differential CLK0, nCLK0 or LVCMOS inputs • CLK0, nCLK0 pair can accept the following differential input levels: LVPECL, LVDS, LVHSTL, HCSL, SSTL • CLK1 can accept the following input levels: LVCMOS or LVTTL • Maximum output frequency: 500MHz • Translates any single-ended input signal to 3.3V HCSL levels with resistor bias on nCLK input • Output skew: 100ps (maximum) • Part-to-part skew: 600ps (maximum) • Propagation delay: 3.2ns (maximuml) • Additive phase jitter, RMS: 0.24ps (typical) • 3.3V operating supply • -40°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 GND CLK_EN CLK_SEL CLK0 nCLK0 CLK1 Q4 nQ4 IREF VDD 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 Q0 nQ0 VDD Q1 nQ1 Q2 nQ2 VDD Q3 nQ3 ICS85105I 20-Lead TSSOP 6.5mm x 4.4mm x 0.925mm Package Body G Package Top View Q0 nQ0 Q1 nQ1 CLK_EN CLK_SEL IREF CLK1 CLK0 nCLK0 D LE Q 0 1 Q2 nQ2 Q4 nQ4 Q3 nQ3 Pulldown Pulldown Pulldown Pullup Pullup/Pulldown |
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