The recommended power-up sequence is to apply the power supply voltage (VCC) before applying the input signals. This ensures proper initialization of the internal circuitry.
To ensure EMC, use a shielded cable for the input signals, keep the device away from high-frequency sources, and use a common-mode choke or ferrite bead on the power supply lines.
The maximum allowed voltage on the input pins is VCC + 0.5V to prevent damage to the internal circuitry.
The 83123018 is rated for operation up to 85°C. For higher temperatures, derate the device according to the datasheet's thermal derating curve.
Use a logic analyzer or oscilloscope to monitor the input and output signals. Check the power supply voltage, input signal levels, and output loads to identify the source of the issue.
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