IC card | Electricity meter card | Electricity purchase card

Product Introduction
☆. ATMEL standard size: 85.5mm * 54mm * 0.84mm;
☆. AT24C is the series number, with a K-bit capacity in the digital part, including 1K, 2K, 4K, 8k, 16K, 32K, 64K, 128K, 256K, 512K, etc;
☆. Its usage method is exactly the same as EPROM, with a simple storage structure and only two operation functions of read and write;
☆. Mainly used to store data with low confidentiality requirements;
☆. The operating frequencies of the AT24C series are lMHz (5V), lMHz (2.7V), and 400KHz (1.8V);
☆. The working voltage is 5V ± 10%, and according to requirements, it can be as low as 1.8V;
☆. The maximum read current of ICC is 1mA, and the maximum write current is 3mA;
☆. The number of write/erase operations is 1 million times; 3-byte user password, password error count: 3 times
☆. Data retention for 100 years;
☆. The working temperature is between O-70 ℃, and can exceed the specified working temperature according to requirements;
☆. The communication protocol complies with ISO/IEC 7816-3 synchronization protocol and has a bidirectional serial interface;
☆. Mainly used for storing data with low confidentiality requirements, such as data storage, telephone cards, campus cards, and other fields;