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SY89842U

Micrel Semiconductor
Part Number SY89842U
Manufacturer Micrel Semiconductor
Description Precision CML Runt Pulse Eliminator 2:1 Multiplexer
Published Sep 24, 2005
Detailed Description SY89842U Precision CML Runt Pulse Eliminator 2:1 Multiplexer General Description The SY89842U is a low jitter CML, 2:1 ...
Datasheet PDF File SY89842U PDF File

SY89842U
SY89842U

Overview
SY89842U Precision CML Runt Pulse Eliminator 2:1 Multiplexer General Description The SY89842U is a low jitter CML, 2:1 differential input multiplexer (MUX) optimized for redundant source switchover applications.
Unlike standard multiplexers, the SY89842U 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 differe...


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