If you are looking for a simple device that can store state information, look no further than Texas Instruments" 5962-9221802M2A flip flop device. It has a single-ended output signal. With a 3-state output, this is power management at its best. This flip flop has a minimum operating temperature of -55 °C and a maximum of 125 °C. This device comes in tube packaging. It has 8 channels per chip. This non-inverting device has a typical operating supply voltage of 5 V. Its minimum operating supply voltage of 4.5 V, while its maximum is 5.5 V.