FM4442

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Overview

FM4442 is compatible with SLE4442. The function is absolutely same! The great advantage is the rather competitive price! Moreover, we are the main distributor of Fudan! So we nearly have millions of sale volume every year!

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General Description:

FM4442 is the memory card chip which 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.

Technical Features:

256 x 8 bit EEPROM organization
Byte-wise addressing
Irreversible byte-wise write protection of lowest
32 x1 bit organization of protection memory
Two-wire link protocol
End of processing indicated at data output
Answer-to-Reset according to ISO standard 7816-3(B type)
EEPROM programming time 2.5 ms per byte for both
Minimum of 100,000 write/erase cycles
Data retention time :>10 years
Contacts configuration and serial interface according to ISO 7816 standard(synchronous transmission)