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 proper signal integrity, power supply decoupling, and thermal management.
Renesas recommends a specific power sequencing scheme to ensure proper device operation. This typically involves powering up the VCC and VDD pins in a specific order, followed by the clock and other signals. Refer to the datasheet and application notes for detailed guidance.
The 9LPR501SGLFT has a high power dissipation, so thermal management is crucial. Ensure good heat dissipation by using a heat sink, thermal interface material, and a PCB design that allows for adequate airflow. Monitor the device temperature and adjust the thermal design accordingly.
To minimize clock signal integrity issues and jitter, use a high-quality clock source, ensure proper signal routing and termination, and follow Renesas' guidelines for clock signal routing and layout. Additionally, consider using a clock jitter attenuator or a phase-locked loop (PLL) to further reduce jitter.
To minimize electromagnetic interference (EMI) and radio-frequency interference (RFI), follow Renesas' guidelines for PCB layout, component placement, and shielding. Use EMI filters, chokes, and shielding cans as necessary to reduce emissions and susceptibility.
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9LPR501SGLFT Overview
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