● Symmetric-mutual authentication
● AES256 bits encryption and decryption engine
● I2C protocol with random stream encryption and decryption function
● Unique key set for authentication, encryption and decryption
● EEPROM 2KBytes 15 User Blocks
● Support OTP/MTP user area
● Support 5 Bytes serial number
● Support multiple host-client interfaces I2C & 1-wire communication
● Support increment only counting function for printer
● Wide input power range : 1.8V ~ 3.6V (optional)
KEY FEATURES
High security features
· Symmetric-mutual authentication
· I2C or one-wire protocol with random stream encryption and decryption function
· Unique key set for authentication, encryption and decryption
2K Bytes secure EEPROM user memory
· 8 user zones
· Password for each memory block
· Support OTP/MTP user area
Embedded application features
· Support 5 Bytes serial number
· Support multiple host-client interfaces I2C and Single-Wire Communication
· Support increment only counting function for inkjet printer and cartridge
· Wide input power range : 1.8V ~ 3.6V
· SOT23-6, 8SOP and TDFN-8 packages
APPLICATION CIRCUIT
The following figures describes pin location, reference circuit around IDKT and how to configure the connection with Host MCU.
