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SY89841U
Precision LVDS Runt Pulse Eliminator 2:1 Multiplexer
General Description
The SY89841U is a low jitter LVDS, 2:1 input multiplexer (MUX) optimized for redundant source switchover applications. Unlike standard multiplexers, the SY89841U unique 2:1 Runt Pulse Eliminator (RPE) MUX prevents any short cycles or “runt” pulses during switchover. In addition, a unique Fail-safe Input protection prevents metastable conditions when the selected input clock fails to a DC voltage (voltage between the pins of the differential input drops below 100mV).
Precision Edge®
Features
• Selects between two sources, and provides a glitch-free, stable LVDS output • Guaranteed AC performance over temperature and supply voltage: – wide operating frequency: 1kHz to >1.