Dump the microprocessor and build your circuit using fundamental logical operations using Texas Instruments" CD54HC08F3A logic gates. This gate has a minimum operating temperature of -55 °C and a maximum of 125 °C. This device comes in tube packaging. This device has a typical operating supply voltage of 2.5|3.3|5 V. Its minimum operating supply voltage of 2 V, while its maximum is 6 V.