Renesas Electronics 9SQ440 CK440Q PCIe Gen5 Server Clock Generator

Renesas Electronics 9SQ440 CK440Q PCIe Gen5 Server Clock Generator is an Intel® CK440 main clock synthesizer for Intel cloud and HPC platforms as well as newer Intel-based server platforms. The 9SQ440 series is single-chip, PCIe Gen5 compliant and provides a complete clock solution or works in combination with DB2000Q-compliant clock buffers to offer point-to-point clocks to multiple receiving agents. The 9SQ440 module serves as a centralized clock generator for server CPU and PCIe clocks. It has a total of 20 differential outputs and jitter performance of <40fs RMS of PCIe Gen5 common clock phase jitter to meet the timing requirements for topologies that range from simple, single-board two-socket to complex, modular multi-socket systems.

Features

  • Intel CK440 main clock synthesizer for Intel cloud and HPC platforms, and newer Intel-based server platforms
  • Single-chip, PCIe Gen5 compliant
  • Complete clock solution or works in combination with DB2000Q-compliant clock buffers
  • Serves as centralized clock generator for server CPU and PCIe clocks
  • Supports 0%, -0.3%, and -0.5% spread-spectrum amounts
  • Side-band interface allows real-time hardware control of all output enables
  • OE# pin control of 100M[6:0] supports PCIe slot CLKREQ#
  • Dedicated platform time input and output clocks (PFT_IN and PFT_OUT)

Specifications

  • PCIe Gen5 phase jitter <40fs RMS
  • 3x 25MHz dedicated output pairs
  • 7x 100MHz dedicated output pairs with individual OE# pins
  • 9 MXCLK output pairs multiplexable between 100MHz and 25MHz
  • 3.3V operation
  • 85Ω differential low-power HCSL (LP-HCSL) outputs eliminate 80 resistors, saving 130mm2 of area
  • 9 selectable SMBus addresses
  • 8mm x 8mm dual-row 100-VFQFPN package
  • -40°C to +85°C operating temperature range

Videos

Publicerad: 2021-02-05 | Uppdaterad: 2023-10-06