Thanks to STMicroelectronics and their M74HCU04B1R inverting Schmitt trigger, most noisy analog signals can be converted into a clean digital signal. This inverting Schmitt trigger has an operating temperature range of -55 °C to 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.