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SLE4404, SLE4406, SLE4428

Table of contents:
Info of SLE4404
Info of SLE4406
Info of SLE4428

SLE4404, SLE4406, SLE4428 Selling Leads, Datasheet

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SLE4404, SLE4406, SLE4428 Datasheet download

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Part Number: SLE4404

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SLE4404 General Description

The SLE4404 contains an EEPROM and security logic. The memory area includes a 416 memory cell matrix organized in 16-bit rows. The device is ideally suited for security applications, such as personal or transferable cards in all counting and calculating systems, in all credit and debit systems and used as electronic key.

There are some features as follows: (1)416*1 bit organization; (2)208-bit user memory which can be configured as ROM, PROM, read-protected PROM and read-protected ROM; (3)user memory protected by means of a changeable user code with non-volatile error counter (blocking state after four incorrect inputs); (4)user memory reloadable and configuration changeable up to 64 times, protected by unchangeable memory code with non-volatile counter; (5)7 additional memory areas with special characteristics; (6)minimum of 104 write/erase cycles; (7)data rentention for a minimum of 10 years; (8)PIN security logic and other special security features.

The following is about the maximum ratings: (1)supply voltage, VCC: -0.3 to 6 V; (2)input voltage, VI: -0.3 to 6 V; (3)storage temperature, Tstg: -40 to 125; (4)power dissipation, Ptot: 50 mW. Then is about the operating range: (1)supply voltage, VCC: 4.75 V min and 5.25 V max; (2)ambient temperature, TA: -35 to 80.

SLE4428 Maximum Ratings

Parameter	Symbol	min.	typ.	max.	Unit
Supply voltage	V_CC	0.3		6	V
Input voltage	V_I	0.3		6	V
Storage temperature	T_stg	40		125	°C
Power dissipation	P_tot			60	mW
Supply voltage	V_CC	4.5		5.5	V
Ambient temperature	T_A	35		100	°C

SLE4428 Features

· 1024 x 8 bit EEPROM organization
· Byte-wise addressing
· Irreversible byte-wise write protection
· 1024 x 1 bit protection memory organization
· Serial three-wire bus
· End of programming indicated on data output
· Minimum of 104 write/erase cycles
·Data retention for minimum of ten years
· Contact configuration and serial interface in accordance to
·SO standard 7816 (synchronous transmission)

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