Operating ambient temperature

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Levels of logical zero and one signals . Determined by the power supply ratings.
CPU case type . Developed for specific operating conditions. This characteristic can also be used to determine the compatibility of the circuit when replacing the integrated circuit.

There are commercial and extended temperature ranges. In the first case, values ​​from chinese overseas british database0 to +70 degrees Celsius are accepted, in the second - from -40 to +85 degrees Celsius.

Noise immunity . Characterizes the ability of the CPU to function properly in conditions of generated interference. The intensity of interference that leads to a violation of functions within acceptable limits is used as an evaluation parameter. Thus, the higher the noise immunity indicator, the stronger the interference under which the circuit will continue to operate.