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SY89464U - Precision LVPECL 1:10 Fanout

Datasheet Summary

Description

The SY89464U is a low jitter 1:10 LVPECL fanout buffer with a 2:1 differential input multiplexer (MUX) optimized for redundant source switchover applications.

Features

  • Precision Edge®.
  • Selects between two sources, and provides 10 precision LVPECL copies.
  • Guaranteed AC performance over temperature and supply voltage:.
  • Wide operating frequency: 1kHz to >1.5GHz.
  • < 1100ps In-to-Out tpd.
  • < 220ps tr/tf.
  • Unique, patent-pending MUX input isolation design minimizes adjacent channel crosstalk.
  • Fail-Safe Input prevents oscillations.
  • Ultra-low jitter design:.

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Datasheet preview – SY89464U

Datasheet Details

Part number SY89464U
Manufacturer Micrel Semiconductor
File Size 700.27 KB
Description Precision LVPECL 1:10 Fanout
Datasheet download datasheet SY89464U Datasheet
Additional preview pages of the SY89464U datasheet.

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Full PDF Text Transcription

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SY89464U Precision LVPECL 1:10 Fanout with 2:1 Runt Pulse Eliminator MUX and Internal Termination General Description The SY89464U is a low jitter 1:10 LVPECL fanout buffer with a 2:1 differential input multiplexer (MUX) optimized for redundant source switchover applications. Unlike standard multiplexers, the SY89464U’s unique 2:1 Runt Pulse Eliminator (RPE) MUX prevents any short cycles or “runt” pulses during switchover. In addition, a unique FailSafe Input (FSI) protection prevents metastable output 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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