1.256 x 8 bit EEPROM organization 2.Byte-wise addressing 3.32 x1 bit organization of protection memory

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!

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:Irreversible byte-wise write protection of lowestTwo-wire link protocolEnd of processing indicated at data outputAnswer-to-Reset according to ISO standard 7816-3(B type)Minimum of 100,000 write/erase cyclesContacts configuration and serial interface according to ISO 7816 standard(synchronous transmission)

PIN Assignment:

PIN Function:

PIN	Symbol	Function
C1	VCC	Supply voltage 2.5V~5V
C2	RST	Reset
C3	CLK	Clock input
C4	GND	Bidirectional data line(open drain)
C5	NC	Not Connected
C6	I/O	Ground