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SLE4428 chip belongs to contact ic chip card is also a common smart card in our market

Update time:2022-12-07 09:48:00 / Views:58

SLE4428 chip belongs to contact ic chip card is also a common smart card in our market.SLE4428 chip is mainly used for identification and site search control, such as access control, security, attendance and other fields, also can be extended to exhibition, park, hotel, restaurant and other public places tickets and discount cards.

SLE4428 chip belongs to contact ic chip card is also a common smart card in our market


SLE4428 chip technical indexes.


● 1024 bytes of EEPROM


●Write protection area (cured data) 1024 bytes


●2-byte password, error count 8 times


●Temperature range -35℃~80℃


●Erasure cycle at least 10000 times


●Data retention period at least 10 years


SLE4428 chip notes.


1.SLE4428 has three security mechanisms: user password, unique code and cured write. If the password check is incorrect, no data can be written. Once the write is protected (cured), the written data cannot be changed. The system uses a unique code IC the card's identification can prevent counterfeit cards of the same model from breaking into the system.


2. SLE4428 card can read the whole card data without password, so the design should pay attention to the content encryption to prevent damage to identify the data format.


3. The whole card is not partitioned. Once the password is checked correctly, data can be written or modified to any address. Therefore, during the design process, care should be taken to properly solidify the data encryption data content to prevent the data from being inadvertently damaged or illegally changed.


4. After the password check is correct, it can be read. Therefore, during the design process, the program should be able to prevent the corruptor from stealing the password using illegal interruption procedures. Related product links: inductive ic card contact ic card cpu card


Card Cube is a professional smart card manufacturer in China, our main products are contact IC card, inductive IC card, visual card, CPU card, ID card, NFC all kinds of smart cards with a daily output of more than 400,000 pieces, such as business cards and smart card readers. Now we customize and develop JHIC-U inductive IC card reader according to customers' requirements. Its plug-and-play, development-free and driver-free features have been welcomed by many customers.


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