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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

  • Six LVCMOS outputs
  • Outputs able to drive 12 series terminated lines
  • Crystal oscillator interface
  • Crystal input frequency range: 10MHz to 40MHz
  • Output skew: 95ps (maximum)
  • RMS phase jitter at 25MHz, (100Hz to 1MHz): 0.17ps (typical)
    Offset Noise Power
    100Hz: -115 dBc/Hz
    1kHz: -138 dBc/Hz
    10kHz: -154 dBc/Hz
    100kHz: -160 dBc/Hz
  • Synchronous output enables
  • Power supply modes:
    Full 1.8V, 1.5V, 1.2V
    Mixed 1.8V core/1.5V output operating supply
    Mixed 1.8V core/1.2V output operating supply
    Mixed 1.5V core/1.2V output operating supply
  • 0 °C to 70 °C ambient operating temperature
  • Available in a lead-free (RoHS 6) package

Description

The 83905-01 is a low skew, 1-to-6 LVCMOS fanout buffer. The low-impedance LVCMOS outputs are designed to drive 50Ω series or parallel terminated transmission lines. The effective fanout can be increased from 6 to 12 by utilizing the ability of the outputs to drive two series terminated lines.

The 83905-01 is characterized at full 1.8V, 1.5V, and 1.2V, mixed 1.8V/1.5V, 1.8V/1.2V, and 1.5V/1.2V output operating supply mode. Guaranteed output skew characteristics along with the 1.2V output capabilities make the 83905-01 ideal for high-performance, single-ended applications that also require a limited output voltage.

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