SLE4442 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. Brand : Cardteck Type : SLE4442 Material : PVC Printable : YES Memory : 256Bytes Technical Features: - 256 x 8 bit EEPROM organization - Byte-wise addressing - Irreversible byte-wise write protection of lowest - 32 x1 bit organization of protection memory - Two-wire link protocol - End of processing indicated at data output - Answer-to-Reset according to ISO standard 7816-3(B type) - EEPROM programming time 2.5 ms per byte for both - Minimum of 100,000 write/erase cycles - Data retention time : gt;10 years - Contacts configuration and serial interface according to ISO 7816 standard(synchronous transmission) Reader untuk kartu SLE4442 : 1. ACR39 CONTACT SMARTCARD READER https://www.tokopedia.com/focusstore/acs-acr39u-new-contact-smartcard-readerwriter-usb 2. ACR128U COMBI SMARTCARD READER https://www.tokopedia.com/focusstore/acs-acr-128u-contact-contactless-smartcard-reader-writer