Since 1991, Atmel has been the world's leading supplier of these in-system reprogrammable, nonvolatile memories that can be reprogrammed at the byte or entire page level. Atmel provides a complete selection of densities (16k bits to 4 Megabits), operating voltages, and device packages. Atmel's battery voltage (2.7), low voltage (3.0) and 5 volt Parallel EEPROMs are used extensively across a broad spectrum of products including telecommunications, avionics and military applications. Atmel offers the world's only single-chip four-megabit monolithic EEPROM, which is used in military and commercial avionics applications.