Texas Instruments provides a recommended PCB layout in the datasheet, but it's also recommended to follow general high-speed PCB design guidelines, such as using a solid ground plane, minimizing trace lengths, and using impedance-controlled traces.
To ensure reliable operation in high-temperature environments, it's essential to follow the recommended operating conditions, use a suitable thermal management system, and consider derating the device's performance according to the temperature derating curves provided in the datasheet.
The DS32EL0421SQX/NOPB is a high-speed device, and as such, it can be prone to EMI/EMC issues. To mitigate these issues, it's recommended to use proper shielding, filtering, and grounding techniques, as well as following the recommended PCB layout and routing guidelines.
The DS32EL0421SQX/NOPB is not a radiation-hardened device, and it's not recommended for use in radiation-hardened applications. If radiation hardness is required, a different device should be selected.
The recommended power-up sequence for the DS32EL0421SQX/NOPB is to power up the VCC supply before the VCCIO supply. This ensures that the internal voltage regulators are properly initialized.
DS32EL0421SQX/NOPB datasheet
by Texas Instruments
