If you are looking for a simple device that can store state information, look no further than Texas Instruments" SN74LVC374APW 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 an operating temperature range of -40 °C to 85 °C. This device comes in tube packaging. This non-inverting device has a typical operating supply voltage of 1.8|2.5|3.3 V. Its minimum operating supply voltage of 1.65 V, while its maximum is 3.6 V. It has 8 channels per chip.