Description:The 9FGL0241/51 devices are 2-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 9FGL0241/51 supports PCIe Gen1–5 Common Clocked architectures (CC), PCIe Separate Reference no-Spread (SRNS) and Separate Reference Independent Spread (SRIS) clocking architectures.
Renesas provides a recommended PCB layout guide in their application note (R01AN3801EU0100) 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 (R01AN3801EU0100) 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., 0.1uF, 1uF, and 10uF) placed close 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 (R01AN3801EU0100). This includes using a JTAG adapter, setting the correct voltage levels, and following specific testing procedures.
Renesas recommends following their thermal design guidelines (R01AN3801EU0100) for high-temperature environments, including using thermal interfaces, heat sinks, and thermal vias to ensure the device operates within its specified temperature range.
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9FGL0251CKILF Overview
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