ชิปสมาร์ทการ์ด (SLE4428)

SLE4428 is one of the most common chip that used in security area. The striking advantages are stable function and the most cost-efficient price! Of course, RealSmart is the main player for such chips! We have millions of exportation in the past year 2008!

BL7448 is compatible with SLE4428. The function is absolutely same! The great advantage is the rather competitive price! Moreover, we are the main distributor of Belling! So we nearly have ten million sale volume every year!

Technical 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.
ISO standard 7816 (synchronous transmission).
Data can only be changed after entry of the correct.
2-byte programmable security code (PSC).