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SY58011UMG Datasheet(PDF) 1 Page - Micrel Semiconductor |
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SY58011UMG Datasheet(HTML) 1 Page - Micrel Semiconductor |
1 / 10 page 1 SY58011U Micrel, Inc. M9999-110311 hbwhelp@micrel.com or (408) 955-1690 1 DESCRIPTION - Precision 1:2, 400mV CML fanout buffer - Low jitter performance: • 49fsRMS phase jitter (typ) - Guaranteed AC performance over temperature/ voltage: • > 7GHz fMAX clock • < 60ps tr /tf times • < 250ps tpd • < 15ps max. skew - Accepts an input signal as low as 100mV - Unique input termination and VT pin accepts DC- coupled and AC-coupled differential inputs: LVPECL, LVDS, and CML - 50ohms source terminated CML outputs - Power supply 2.5V ±5% and 3.3V ±10% - Industrial temperature range: –40°C to +85°C - Available in 16-pin (3mm ∗∗∗∗∗ 3mm) QFN package FEATURES 7GHz, 1:2 CML FANOUT BUFFER/TRANSLATOR WITH INTERNAL I/O TERMINATION Precision Edge® SY58011U APPLICATIONS - All SONET and GigE clock distribution - Fibre Channel clock and data distribution - Backplanes - Data distribution: OC-48, OC-48+FEC, XAUI - High-end, low skew, multiprocessor synchronous clock distribution Rev.: G Amendment: /0 Issue Date: November 2011 The SY58011U is a 2.5V/3.3V precision, high-speed, fully differential 1:2 CML fanout buffer. Optimized to provide two identical output copies with less than 15ps of skew and only 49fsRMS phase jitter, the SY58011U can process clock signals as fast as 7GHz or data patterns up to 10.7Gbps. 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 (VREF-AC) is provided to bias the VT pin. The outputs are compatible with 400mV typical swing into 50ohms loads, with extremely fast rise/fall times guaranteed to be less than 60ps. The SY58011U 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 LVPECL outputs, consider the SY58012U or SY58013U 1:2 fanout buffer with 800mV and 400mV output swing, respectively. The SY58011U is part of Micrel’s high- speed, Precision Edge® product line. Datasheets and support documentation can be found on Micrel’s web site at www.micrel.com. FUNCTIONAL BLOCK DIAGRAM TYPICAL PERFORMANCE Precision Edge is a registered trademark of Micrel, Inc. IN /IN Q1 /Q1 Q0 /Q0 VT 50 Ω 50 Ω VREF-AC 2GHz Output TIME (70ps/div.) VCC = 2.5V 2GHz with 100mV Input Precision Edge® |
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