The 1N6623 part is an 8-pin, low voltage and low power non-volatile memory chip made by Microchip. It has a 2Kbyte capacity which can be used to store non-volatile data such as settings, configuration information and parameter values. Data is stored at 4.5 to 5.5V with battery backup available. The part is also highly secure, as it has anti-fuse, password protection, and user-defined protected blocks. It is suitable for use in security systems, networked applications, automotive, medical, and industrial embedded systems.