Description:IDT9LPR501 follows Intel CK505 Yellow Cover specification. This clock synthesizer provides a single chip solution for next generation P4 Intel processors and Intel chipsets. IDT9LPR501 is driven with a 14.318MHz crystal. It also provides a tight ppm accuracy output for Serial ATA and PCI-Express support.
Renesas provides a recommended PCB layout guide in their application notes (e.g., AN1841) and evaluation board documentation. It's essential to follow these guidelines to ensure optimal performance, especially for high-frequency signals.
The 9LPR501SGLF has a thermal pad on the bottom, which should be connected to a solid ground plane on the PCB to dissipate heat. Additionally, consider using thermal vias, heat sinks, or thermal interface materials to further reduce thermal resistance.
The input clock signal should be a stable, low-jitter signal with a frequency range of 10 MHz to 40 MHz. The clock signal should also meet the specified amplitude and rise/fall time requirements outlined in the datasheet.
To configure the 9LPR501SGLF for low-power operation, refer to the datasheet's power management section. This typically involves setting the appropriate registers, using the power-down mode, and optimizing the clock frequency and voltage supply.
The recommended settings for the internal PLL depend on the specific application and clock frequency requirements. Refer to the datasheet's PLL configuration section and application notes for guidance on setting the PLL multiplication factor, loop filter, and other parameters.
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9LPR501SGLF Overview
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