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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

  • LP-HCSL outputs; saves 14 resistors and 24mm² compared to standard HCSL
  • PCIe Gen 1–5 compliance
  • 41mW typical power consumption; eliminates thermal concerns
  • Outputs can optionally be supplied from any voltage between 1.05V and 1.8V; maximum power savings
  • OE# pin for each output; support DIF power management
  • HCSL-compatible differential input; can be driven by common clock sources
  • SMBus-selectable features allow optimization to customer requirements
    • Slew rate for each output; allows tuning for various line lengths
    • Differential output amplitude; allows tuning for various application environments
  • 1MHz to 200MHz operating frequency
  • 3.3V tolerant SMBus interface works with legacy controllers
  • Selectable SMBus addresses; multiple devices can easily share an SMBus segment
  • Device contains default configuration; SMBus interface is not required for device operation
  • Space-saving 5mm x 5mm 40-pin VFQFPN; minimal board space

Description

The 9DBV0731 7-output 1.8V HCSL fanout clock buffer is a member of Renesas' full-featured PCIe family. The device has seven output enables for clock management and three selectable SMBus addresses.

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