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Micrel, Inc.
PRECISION 1:8 LVPECL FANOUT BUFFER WITH 2:1 RUNT PULSE ELIMINATOR INPUT MUX
Precision Edge®
Precision ESdY8g9e8®37U SY89837U
FEATURES
■ Selects between two clocks, and provides 8 precision, low skew LVPECL output copies
■ Guaranteed AC performance over temperature and supply voltage:
■ Wide operating frequency: 1kHz to >1.5GHz • <975ps in-to-out tpd • <180ps tr/tf • <40ps output-to-output skew
■ Unique input isolation design minimizes crosstalk ■ Ultra-low jitter design:
• 150fs RMS phase jitter • <0.7psrms MUX crosstalk induced jitter ■ Unique input termination and VT pin accepts DC- or AC-coupled inputs (CML, PECL, LVDS) ■ 800mV LVPECL output swing ■ Power supply +2.5V ±5% or +3.
SY89837U Datasheet
