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SY89840U

Micrel Semiconductor
Part Number SY89840U
Manufacturer Micrel Semiconductor
Description Precision LVPECL Runt Pulse Eliminator 2:1 Multiplexer
Published Sep 24, 2005
Detailed Description SY89840U Precision LVPECL Runt Pulse Eliminator 2:1 Multiplexer General Description The SY89840U is a low jitter PECL, ...
Datasheet PDF File SY89840U PDF File

SY89840U
SY89840U

Overview
SY89840U Precision LVPECL Runt Pulse Eliminator 2:1 Multiplexer General Description The SY89840U is a low jitter PECL, 2:1 differential input multiplexer (MUX) optimized for redundant source switchover applications.
Unlike standard multiplexers, the SY89840U 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).
The differential input includes Micrel’s unique, 3-pin input termination architecture that allows customers to interface to any dif...


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