SN74HC04PW inverting Schmitt triggers from Texas Instruments are designed specifically to clean up noisy analog signals and convert them into more manageable digital signals. This inverting Schmitt trigger has a minimum operating temperature of -40 °C and a maximum of 85 °C. This device comes in tube packaging. This device has a typical operating supply voltage of 5 V. Its minimum operating supply voltage of 2 V, while its maximum is 6 V.