Description:The 85310I-11 is a low skew, high performance 1-to-10 Differential-to-2.5V/3.3V ECL/LVPECL Fanout Buffer. The CLKx, nCLKx pairs can accept most standard differential input levels. The 85310I-11 is characterized to operate from either a 2.5V or a 3.3V power supply. Guaranteed output and part-to-part skew characteristics make the 85310I-11 ideal for those clock distribution applications demanding well defined performance and repeatability.
Renesas provides a recommended PCB layout guide in their application note (R01AN0265EJ0100) which includes thermal design considerations, such as thermal vias, copper pours, and component placement.
Renesas recommends following the thermal design guidelines, using a heat sink if necessary, and ensuring proper airflow around the device. Additionally, the device's thermal shutdown feature can be enabled to prevent damage from overheating.
Renesas recommends using a low-ESR capacitor (e.g., ceramic or film capacitor) for CIN and COUT, with values between 10uF to 22uF for CIN and 10uF to 47uF for COUT, depending on the specific application and output current requirements.
Renesas recommends using the device's power-saving modes (e.g., low-power mode, shutdown mode), reducing the switching frequency, and optimizing the output voltage and current to minimize power consumption.
Renesas recommends ensuring that VIN is within the specified range (2.7V to 5.5V) and that VOUT is set to a value within the device's output voltage range (0.8V to 3.3V) to ensure reliable operation and prevent damage.
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85310AYI-11LF Overview
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