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SY89838U

Micrel Semiconductor
Part Number SY89838U
Manufacturer Micrel Semiconductor
Description Precision 1:8 LVDS Clock Fanout Buffer
Published May 3, 2007
Detailed Description SY89838U Precision 1:8 LVDS Clock Fanout Buffer with 2:1 Runt Pulse Eliminator Input MUX General Description The SY8983...
Datasheet PDF File SY89838U PDF File

SY89838U
SY89838U

Overview
SY89838U Precision 1:8 LVDS Clock Fanout Buffer with 2:1 Runt Pulse Eliminator Input MUX General Description The SY89838U is a low jitter, low skew, high-speed 1:8 fanout buffer with a unique, 2:1 differential input multiplexer (MUX) optimized for redundant source switchover applications.
Unlike standard multiplexers, the SY89838U 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 200mV).
The SY89838U distributes clock frequencies from 1kHz to 1.
5GHz, guaranteed, over temperature and voltage.
The differential input includes Micrel’s unique, 3-pin input termination architecture that allows customers to interface to any differential signal (AC- or DC-coupled) as small as 200mV (400MvPP) without any level shifting or termination resistor netw...


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