DS28E02Q-W01+4T

The IC component DS28E02Q-W01+4T is a digital identification chip designed for secure authentication and data storage applications. It is commonly used in various electronic devices where providing secure communication and data integrity is crucial. Here are some key features of the DS28E02Q-W01+4T: 1. Secure Communication: This IC component provides secure communication with a host system through a single-contact 1-Wire interface. It employs advanced cryptographic techniques to ensure data integrity and confidentiality. 2. Long-Lasting Memory: The DS28E02Q-W01+4T offers an EEPROM (Electrically Erasable Programmable Read-Only Memory) with a storage capacity of up to 4096 bits or 512 bytes. This non-volatile memory guarantees data retention for a minimum of 40 years. 3. Unique ROM Identification: Each DS28E02Q-W01+4T chip features a unique ROM ID, a globally unique 64-bit serial number, and an 8-bit family code. These identifiers enable the chip to be easily distinguished from other devices and ensure secure authentication within a network. 4. Strong Security Features: The component incorporates advanced security mechanisms such as a user-programmable write-protect feature, a 48-bit secret key for data encryption, and a SHA-1-based challenge-response authentication protocol. These features protect the integrity and confidentiality of data exchanges between devices