Memory chip (EEPROM) generally refers to FALSH,EPROM and EEPROM, which can still maintain the stored data information in the case of power failure, and can be read and written by MCU. Common models: AT24C02C-PUM,AT24C02C-SSHM-T,CAT24C08WI-GT3,M24C16-RBN6P,GT24C08A-2GLI-TR,M24C08-RMN6TP,CAT24C04LI,BR24G08,M93C46-WMN6TP ,M24C02-WMN6TP