This particular series of IC card chip is manufactured by Shanghai FM Co., Ltd. It uses 0.6μm CMOS EEPROM process with 256X8 Bits EEPROM plus programmable security code and write protect function. Having met the ISO standard 7816 (synchronous transmission), this IC card chip is used in different types of IC memory cards.

FM4442 is the memory card chip developed by Shanghai FM Co., Ltd. This chip has 256×8 Bits EEPROM with write protect function and programmable security code. With its contact configuration in accordance to ISO standard 7816 (synchronous transmission), FM4442 can be widely used in different types of IC memory cards.