FM4428 card

The FM4428 chip is completely compatible with SLE5528 / SLE4428. The performance and usage of the two chips are the same. As the price of FM4428 chip is very competitive, so FM4428 chip is used in many system instead of SLE4428 chip.

FM4428 is the memory card chip developed by Shanghai FM Co.,Ltd.. This chip uses 0.6µm CMOS EEPROM process,has 1K×8Bit EEPROM with write protect fuction and programmable security code, its contact configuration is in accordance to ISO standard 7816 (Sychronous Transmission), FM4428 can be widely used in different types of IC menory cards