SLE5542 Smartcard 1.Chip:sle5542/fudan4442/issi4442 2.Size:85.5 ... manufacturer code to identification of application.- Programmable Security Code- EEPROM Endurance minimum 100,000 erase / write cycles- Minimum ... , like the Mifare S50 and S70 chip card, ID card etc.Specifications:1.Chip: Philips Mifare 1K S50, S70, ... , fast delivery, good service. SLE5542 compatible Fudan4442 Chip Smart IC Cards