DESCRIPTION
The SY58021U is a 2.5V/3.3V precision, high-speed, fully differential 1:4 LVPECL fanout buffer. Optimized to provide four identical output copies with less than 15ps of skew and less than 10pspp total jitter, the SY58021U can process clock signals as fast as 4GHz.

FEATURES
■ Precision 1:4, LVPECL fanout buffer
■ Guaranteed AC performance over temperature/ voltage:
    • >4GHz fMAX (clock)
    • <100ps tr / tf Times
    • <300ps 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-coupled and AC-coupled differential inputs: LVPECL, LVDS, and CML
■ 100k LVPECL compatible 800mV swing output
■ Power supply 2.5V ±5% and 3.3V ±10%
■ –40°C to +85°C temperature range
■ Available in 16-pin (3mm × 3mm) MLF™ package