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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

  • 12 - 0.7V low-power HCSL output pairs
  • Save power and board space - no Rp
  • Pin-compatible to 9ZX21200 provides easy path to >50% power savings
  • Space-saving 56-pin QFN package
  • Fixed feedback path for 0ps input-to-output delay
  • 9 Selectable SMBus Addresses
  • 4 OE# pins allow for a smaller form factor
  • PLL or bypass mode
  • PLL can de-jitter incoming clock
  • 100MHz or 133MHz PLL mode operation for PCIe and QPI applications
  • Selectable PLL bandwidth minimizes jitter peaking in downstream PLLs
  • Spread spectrum compatible

Description

The 9ZXL1230 is a small-footprint, low-power, 12-output differential buffer that meets all the performance requirements of the Intel DB1200ZL specification. It is pin-compatible to the 9ZX21200 while consuming over 50% less power. The 9ZXL1230 is backward compatible with PCIe Gen 1, Gen 2, and QPI 6.4GT/s specifications. A fixed, internal feedback path maintains low drift for critical QPI applications.

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