FM4428

1.1024 x 8 bit EEPROM organization 2.Byte-wise addressing 3.1024 x1 bit organization of protection memory

Overview:

FM4428 is compatible with SLE4428. 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 uses 0.6µm CMOS EEPROM process, has 1K*8 bit 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 every ByteSerial three-wire linkEnd of processing indicated at data outputMinimum of 100,000 write/erase cyclesContacts configuration and serial interface according to ISO 7816 standardData can only be changed after entry of the correct 2-byteProgrammable security code

PIN Assignment:

PIN Function:

PIN	Symbol	Function
C1	VCC	Operation Voltage 5V
C2	RST	Reset Control
C3	CLK	Clock
C4	NC	Not Connected
C5	NC	Ground
C6	I/O	Not Connected
C7	NC	Data Line(Pen drain)
C8	GND	Not Connected

 Absolute Maximum Ratings:

Symbol	Parameter	Limit Values			Unit
		Min	Typ	Max
Vcc	Supply voltage	-0.3	-	6	V
Vi	Input voltage	-0.3	-		V
Tsto	Storage temperature	-40	-	+125	°C
Ptot	Power dissipation	-	-	60	mW

Delivery TermsSamples: It’s free of charge and could be sent within 1-2 working days.<10K pcs: Within 3-4 working days<100K pcs: Within 6-7 working days<1KK pcs: Within 15 working days.>1KK pcs: On requestWhy buy from us ?Reply you within 12 hours at most timeUnsurpassable competitive priceLarge quantity inventory alwaysNo MAQ’s limit for FM4428 chipsStrong at customization on requestExperience and expertiseFast delivery and strong package