Texas Instruments provides a recommended PCB layout in the datasheet, but it's essential to follow good layout practices, such as keeping the input and output traces separate, using a solid ground plane, and minimizing parasitic inductance.
The SN75976A1DL is rated for operation from -40°C to 125°C. Ensure proper thermal management by providing adequate heat sinking, using thermal interface materials, and avoiding hot spots on the PCB.
The SN75976A1DL has a limited output current of 1A. Ensure your design takes this into account, and consider adding external current limiting or buffering if necessary to prevent overloading the device.
The POR and BOR features ensure the device resets properly during power-up and brown-out conditions. Ensure your design takes these features into account, and consider adding external reset circuitry if necessary to ensure proper system initialization.
The SN75976A1DL is a high-frequency device, and proper EMI and RFI mitigation techniques should be employed, such as using shielding, filtering, and good PCB layout practices to minimize radiation and susceptibility.