IDKT-AS (T) Security chip

● 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

  ● 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.