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SY58021U - 1:4 LVPECL Fanout Buffer/Translator

Description

The SY58021U is a 2.5V/3.3V precision, high-speed, fully differential 1:4 LVPECL fanout buffer.

Optimized to provide four identical output copies with less than 15ps output skew and only 70 fsRMS phase jitter, the SY58021U can process clock signals as fast as 4GHz.

Features

  • Precision Edge®.
  • Precision 1:4 LVPECL fanout buffer.
  • Low jitter performance:.
  • 70fsRMS phase jitter (typical).
  • Accepts an input signal as low as 100mV.
  • Unique input termination and VT pin accepts DCcoupled and AC-coupled differential inputs: LVPECL, LVDS, and CML.
  • 100k LVPECL-compatible 800mV swing output.
  • Power supply 2.5V ±5% and 3.3V ±10%.
  • 40°C to +85°C temperature range.
  • Available in 16-pin (3mm × 3mm).

📥 Download Datasheet

Datasheet Details

Part number SY58021U
Manufacturer Micrel Semiconductor
File Size 621.72 KB
Description 1:4 LVPECL Fanout Buffer/Translator
Datasheet download datasheet SY58021U Datasheet

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Full PDF Text Transcription

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SY58021U 4GHz, 1:4 LVPECL Fanout Buffer/Translator with Internal Termination Precision Edge® General Description The SY58021U is a 2.5V/3.3V precision, high-speed, fully differential 1:4 LVPECL fanout buffer. Optimized to provide four identical output copies with less than 15ps output skew and only 70 fsRMS phase jitter, the SY58021U can process clock signals as fast as 4GHz. The differential input includes Micrel’s unique, 3-pin input termination architecture interfaces to differential LVPECL, CML, and LVDS signals (AC- or DC-coupled) as small as 100mV without any level-shifting or termination resistor networks in the signal path. For AC-coupled input interface applications, an on-board output reference voltage (V ) REFAC is provided to bias the VT pin.
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