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SY58012UMI Datasheet(PDF) 1 Page - Micrel Semiconductor |
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SY58012UMI Datasheet(HTML) 1 Page - Micrel Semiconductor |
1 / 9 page 1 Precision Edge® SY58012U Micrel, Inc. M9999-051408 hbwhelp@micrel.com or (408) 955-1690 DESCRIPTION Precision 1:2, 800mV LVPECL fanout buffer Guaranteed AC performance over temperature/ voltage: • > 5GHz fMAX (clock) • < 110ps tr /tf times • < 260ps tpd • < 15ps max skew Low jitter performance • < 10psPP total jitter (clock) • < 1psRMS random jitter (data) • < 10psPP deterministic jitter (data) Accepts an input signal as low as 100mV Unique input termination and VT pin accepts DC- and AC-coupled differential inputs: LVPECL, LVDS, and CML Outputs are 100k LVPECL compatible, 800mV swing Power supply 2.5V ±5% and 3.3V ±10% –40 °C to +85°C temperature range Available in 16-pin (3mm ××××× 3mm) MLF® package FEATURES 5GHz, 1:2 LVPECL FANOUT BUFFER/TRANSLATOR WITH INTERNAL INPUT TERMINATION Precision Edge® SY58012U APPLICATIONS s All SONET and GigE clock distribution s Fibre Channel clock and data distribution s Backplane distribution s High-end, low skew, multiprocessor synchronous clock distribution Rev.: F Amendment: /0 Issue Date: May 2008 The SY58012U is a 2.5V/3.3V precision, high-speed, fully differential 1:2 LVPECL fanout buffer. Optimized to provide two identical output copies with less than 15ps of skew and less than 10ps (pk-pk) total jitter, the SY58012U can process clock signals as fast as 5GHz or 5Gbps data. The differential input includes Micrel’s unique, 3-pin input termination architecture that interfaces to LVPECL, LVDS or CML differential signals, (AC-coupled or DC-coupled) as small as 100mV without any level-shifting or termination resistor networks in the signal path. For AC-coupled input interface applications, an on-board output reference voltage (V REF-AC) is provided to bias the VT pin. The outputs are 100k LVPECL compatible, with extremely fast rise/fall times guaranteed to be less than 110ps. The SY58012U operates from a 2.5V ±5% supply or 3.3V ±10% supply and is guaranteed over the full industrial temperature range (–40 °C to +85°C). For applications that require faster rise/fall times, or greater bandwidth, consider the SY58013U 1:2 fanout buffer with 400mV output swing, or the SY58011 1:2 CML (400mV) fanout buffer. The SY58012U is part of Micrel’s high-speed, Precision Edge® product line. Data sheets and support documentation can be found on Micrel’s web site at www.micrel.com. FUNCTIONAL BLOCK DIAGRAM TYPICAL PERFORMANCE IN /IN Q1 /Q1 Q0 /Q0 VT 50 Ω 50 Ω VREF-AC 2.5GHz Output TIME (50ps/div.) VCC = 3.3V 2GHz with 100mV Input Precision Edge® Precision Edge is registered trademark of Micrel, Inc. MicroLeadFrame and MLF are registered trademarks of Amkor Technology, Inc. |
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