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SY89842U - Precision CML Runt Pulse Eliminator 2:1 Multiplexer

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.

Features

  • Precision Edge®.
  • Selects between two sources, and provides a glitchfree, stable CML output.
  • Guaranteed AC performance over temperature and supply voltage:.
  • Wide operating frequency: 1kHz to >1.5GHz.
  • < 840ps In-to-Out tpd.
  • < 80ps tr/tf.
  • Unique, patent-pending input isolation design minimizes crosstalk.
  • Fail-safe input prevents oscillations.
  • Ultra-low jitter design:.

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Datasheet Details

Part number SY89842U
Manufacturer Micrel Semiconductor
File Size 613.18 KB
Description Precision CML Runt Pulse Eliminator 2:1 Multiplexer
Datasheet download datasheet SY89842U Datasheet
Additional preview pages of the SY89842U datasheet.

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Full PDF Text Transcription

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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).
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