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SY89837U

Part Number	SY89837U
Manufacturer	Micrel Semiconductor
Description	PRECISION 1:8 LVPECL FANOUT BUFFER
Published	May 3, 2007
Detailed Description	Micrel, Inc. PRECISION 1:8 LVPECL FANOUT BUFFER WITH 2:1 RUNT PULSE ELIMINATOR INPUT MUX Precision Edge® Precision ESd...
Datasheet	SY89837U PDF File

Overview

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.
3V ±10% ■ –40°C to +85°C industrial temperature range ■ Available in 32-pin (5mm x 5mm) QFN package APPLICATIONS ■ Redundant clock distribution ■ Fail-safe clock protection Precision Edge® DESCRIPTION The SY89837U is a low jitter, low skew, high-speed 1:8 fanout buffer with a unique, 2:1 diff...

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