Description:The 8P791208 is a low additive jitter 2:8 buffer with CMOS / differential outputs. The device takes 1 or 2 reference clocks, selects between them, using a pin selection and generates up to 8 outputs that are the same as the reference frequency. The 8P791208 supports two output banks, each with its own power supply. All outputs in one bank generate the same output frequency, but each output can be individually controlled for output type or output enable. The device can operate over the -40°C to 85°C temperat
Renesas provides a recommended PCB layout guide in their application note (APL-AN-1201) for thermal optimization. It suggests using a 4-layer PCB with a solid ground plane, placing thermal vias under the device, and using a heat sink with a thermal interface material.
To ensure reliable operation in high-temperature environments, follow the recommended operating conditions, use a heat sink with a thermal interface material, and consider using a thermal monitoring IC to monitor the device temperature. Additionally, ensure good airflow and avoid thermal hotspots.
Renesas recommends using X5R or X7R ceramic capacitors with a capacitance value of 10uF to 22uF for input and output filtering. The capacitor selection should be based on the specific application requirements and operating conditions.
To troubleshoot POR issues, check the power supply voltage, ensure the input voltage is within the recommended range, and verify the POR timing is within the specified limits. Also, check for any noise or glitches on the power supply lines that might be affecting the POR circuitry.
Renesas recommends using a reflow soldering process with a peak temperature of 260°C (500°F) for a maximum of 30 seconds. For rework, use a hot air rework station with a temperature-controlled heat source and a vacuum pick-up tool to avoid damaging the device.
Trust Checks
This model has been built in collaboration with the manufacturer.
Manufacturer Collaborated
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
8P791208NLGI8 Overview
Use the download button to access the 8P791208NLGI8 schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like 8P791,
or try a keyword search, such as Clock Drivers
