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Integrated Device Technology


The 5L35023 is a VersaClock programmable clock generator and is designed for low power and high performance PCI Express applications. The device is a three PLL architecture design, and each PLL is individually programmable, allowing for up to five unique frequency outputs. The 5L35023 has built-in unique features such as Proactive Power Saving (PPS), Performance-Power Balancing (PPB), Overshot Reduction Technology (ORT) and extreme low power DCO. An internal OTP memory allows the user to store the configuration in the device without programming after power up, then program the 5L35023 again through the I2C interface.


  • PCIe Gen1/2/3 compliant
  • 1MHz to 125MHz output frequency
  • 1.5ps rms jitter integer range: 12kHz - 20MHz
  • 2 DIFF outputs with configurable LPHSCL, LVCMOS output pairs
  • 3 LVCMOS out
  • <65μA ultra-power-down
  • Spread spectrum clock support to lower system EMI
  • <2μA RTC clock in suspend mode operation
  • Configurable OE pin function
  • Maximum of 8 LVCMOS outputs