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Renesas Electronics Corporation

Renesas’ Timing product portfolio has been acquired by SiTime.

Datasheets, documentation, and sample orders remain available on Renesas.com through late 2026. For new designs, purchasing, support, and product inquiries, visit SiTime.com or send an email to [email protected]. Full transition to SiTime is expected by late 2026.

Features

  • Eight differential 3.3V LVPECL/ECL outputs
  • Two selectable differential input pairs
  • PCLKx, nPCLKx pairs can accept the following differential input levels: LVPECL, LVDS, CML, SSTL
  • Maximum output frequency: 2GHz
  • Translates any single-ended input signal to 3.3V LVPECL levels with resistor bias on nPCLKx input
  • Output skew: 20ps (typical)
  • Propagation delay: 825ps (typical)
  • Additive phase jitter, RMS: 0.14ps (typical)
  • LVPECL mode operating voltage supply range: VCC = 3.0V to 3.8V, VEE = 0V
  • ECL mode operating voltage supply range: VCC = 0V, VEE = -3.0V to -3.8V
  • -40°C to 85°C ambient operating temperature
  • Available lead-free (RoHS 6) package

Description

The 853S310I is a low skew, high performance 1-to-8 Differential-to-3.3V LVPECL/ECL Fanout Buffer. The PCLKx, nPCLKx pairs can accept LVPECL, LVDS, CML and SSTL differential input levels. The 853S310I is characterized to operate from a 3.3V power supply. Guaranteed output and part-to-part skew characteristics make the 853S310I ideal for those clock distribution applications demanding well defined performance and repeatability.

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