Do you have multiple logical states? Implement this CD74AC164E counter shift register by Texas Instruments in order to switch and maintain states. This counter shift register 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 1.8|2.5|3.3|5 V. Its minimum operating supply voltage of 1.5 V, while its maximum is 5.5 V.