Description:The 9FGL0641/51 devices are 6-output 3.3V PCIe Gen1–5 clock generators. Each output has a dedicated OE# pin supporting PCIe CLKREQ# functionality. Two different spread spectrum levels, in addition to spread off, are supported. The 9FGL0641/51 supports PCIe Gen1–5 Common Clocked architectures (CC), PCIe Separate Reference no-Spread (SRNS) and Separate Reference Independent Spread (SRIS) clocking architectures. For information regarding evaluation boards and material, please contact your local sales represent
Renesas provides a recommended PCB layout guide in their application note (R01AN3804EU0100) which includes thermal design considerations, such as thermal vias, heat sinks, and copper pours, to ensure optimal thermal performance.
Renesas recommends a specific power sequencing scheme in their application note (R01AN3804EU0100) to ensure proper device operation. The sequence involves powering up the VCC, then the VDD, and finally the VPP, with a specific delay between each power-up stage.
Renesas recommends using high-frequency, low-ESR decoupling capacitors (e.g., 100nF, 1uF, and 10uF) with a voltage rating of 2.5V or higher, placed as close as possible to the device's power pins to minimize noise and ensure stable operation.
Renesas provides guidelines for JTAG interface handling during production testing in their application note (R01AN3804EU0100). This includes using a JTAG adapter, setting the JTAG clock frequency, and using specific JTAG commands to access the device's internal registers.
Renesas recommends following their thermal design guidelines (R01AN3804EU0100) for high-temperature environments, including using thermal interface materials, heat sinks, and thermal vias to ensure the device operates within its specified temperature range.
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9FGL0651DKILF Overview
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