Product Summary
The SY58012UMG 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 SY58012UMG 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. The applications of the SY58012UMG include All SONET and GigE clock distribution, Fibre Channel clock and data distribution, Backplane distribution, High-end, low skew, multiprocessor synchronous clock distribution.
Parametrics
SY58012UMG absolute maximum ratings: (1)Power Supply Voltage (VCC): -0.5V to +4.0V; (2)Input Voltage (VIN): -0.5V to VCC; (3)LVPECL Output Current (IOUT), Continuous: 50mA; Surge: 100mA; (4)Source or sink current on VT pin VT Current: ±100mA; (5)Source or sink current on IN, /IN Input Current: ±50mA; (6)Source or sink current on VREF-AC, Note 4, VREF Current: ±1.5mA; (7)Soldering, (20 seconds): 260℃; (8)Storage Temperature Range (TSTORE): -65℃ to +150℃.
Features
SY58012UMG features: (1)Precision 1:2, 800mV LVPECL fanout buffer; (2)Guaranteed AC performance over temperature/ voltage: > 5GHz fMAX (clock); < 110ps tr /tf times; < 260ps tpd; < 15ps max skew; (3)Low jitter performance, < 10psPP total jitter (clock); < 1psRMS random jitter (data); < 10psPP deterministic jitter (data); (4)Accepts an input signal as low as 100mV; (5)Unique input termination and VT pin accepts DC- and AC-coupled differential inputs: LVPECL, LVDS, and CML; (6)Outputs are 100k LVPECL compatible, 800mV swing; (7)Power supply 2.5V ±5% and 3.3V ±10%; (8)-40℃ to +85℃ temperature range; (9)Available in 16-pin (3mm × 3mm) MLF package.
Diagrams
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![]() IC CLK BUFFER TRANSLA 1:2 16-MLF |
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![]() SY58012UMG TR |
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![]() IC CLK BUFFER TRANSLA 1:2 16-MLF |
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