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 notes (e.g., AN9834) and design guides (e.g., DG0094). It's essential to follow these guidelines to ensure optimal performance, minimize noise, and reduce EMI.
The 9FGL0641DKILF has a built-in POR and BOD circuit. To implement POR, connect the VCC pin to a power source, and the device will automatically reset when the voltage reaches the POR threshold. For BOD, connect the VCC pin to a power source, and the device will reset when the voltage drops below the BOD threshold. You can also use external resistors and capacitors to adjust the POR and BOD thresholds.
The maximum operating frequency for the 9FGL0641DKILF is 64 MHz. However, the actual operating frequency may vary depending on the system clock configuration, voltage, and temperature. It's essential to consult the datasheet and application notes for specific frequency limitations and recommendations.
The 9FGL0641DKILF has a flexible clock system that can be configured using the Clock Control Unit (CCU). You can use the internal oscillator, external crystal oscillator, or external clock source. Consult the datasheet and application notes (e.g., AN9834) for detailed configuration and setup instructions.
The 9FGL0641DKILF has a maximum junction temperature (TJ) of 150°C. To ensure reliable operation, it's essential to implement proper thermal management, such as using a heat sink, thermal interface material, and ensuring good airflow. Consult the datasheet and thermal design guides (e.g., DG0095) for specific thermal management recommendations.
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9FGL0641DKILF Overview
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