Description:The 9DBL0841 8-output zero-delay/fan-out buffer is a 3.3V member of Renesas' Full-Featured PCIe family. The 9DBL0841 supports PCIe Gen1 through Gen5 and both Common and Independent Reference Clock architectures. For information regarding evaluation boards and material, please contact your local sales representative.
A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Decoupling capacitors should be placed close to the device, and signal traces should be kept short and away from noise sources.
Ensure proper heat sinking, use a thermal interface material, and follow the recommended thermal design guidelines. Also, consider using a thermal sensor to monitor the device temperature and implement thermal throttling or shutdown if necessary.
The input clock signal should be a stable, low-jitter signal with a frequency range of 10 MHz to 100 MHz. The signal should be AC-coupled, and the amplitude should be between 0.5 V to 1.5 V peak-to-peak.
Use a logic analyzer or oscilloscope to capture and analyze the device's signals, including the clock, reset, and data signals. Check for signal integrity issues, power supply noise, and electromagnetic interference (EMI).
The power supply should be a low-noise, regulated voltage source with a tolerance of ±5%. The voltage should be within the recommended range of 1.7 V to 3.6 V, and the current should be limited to the recommended maximum of 100 mA.
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9DBL0841BKILF Overview
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