The structure of analog macrocells in IC card with security code is described. Operational principles of the EEPROM and charge pump are elaborated in detail. 介绍了逻辑加密卡模拟宏单元电路的结构,详细阐述了该电路中EEPROM及电荷泵的工作原理。
Danny : Do I have to write down the credit card number, the expiration date, and the security code on the back? 我必须要把信用卡号,截止日期还有卡背面的安全密码写下来吗?