DS28C22
PRODUCTIONDeepCover Secure Memory with I2C SHA-256 and 3Kb User EEPROM
Protect Your Development Investment with SHA-256 Crypto-Strong Authentication and Encryption
- Part Models
- 2
- 1ku List Price
- Starting From $1.29
Part Details
- Symmetric Key-Based Bidirectional Secure Authentication and Encryption Model Based on SHA-256
- Dedicated Hardware-Accelerated SHA Engine for Generating SHA-256 MACs
- Strong Authentication with a 256-Bit, User-Programmable Secret, and Input Challenge
- 3072 Bits of User EEPROM Partitioned Into 12 Pages of 256 Bits
- User-Programmable and Irreversible EEPROM Protection Modes Including Authentication, Write and Read Protect, Encryptions, and OTP/EPROM Emulation
- Supports 100kHz and 400kHz I2C Communication Speeds
- Supports Power-Saving Sleep Mode at 0.5µA (typ)
- Operating Range: 3.3V ±10%, -40°C to +85°C
- 8-Pin TDFN Package
Applications
- Authentication of Network-Attached Appliances
- Key Generation and Secure Exchange for Cryptographic Systems
- Secure Feature Setting for Configurable Systems
- System Intellectual Property Protection
Documentation
Data Sheet 1
Reliability Data 1
User Guide 1
Application Note 2
Design Note 1
Request an NDA
Complete documentation is available upon completion of a Non-Disclosure Agreement (NDA).
Request an NDAADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
---|---|---|---|
DS28C22Q+T | 8-LFCSP-2X3X0.75 | ||
DS28C22Q+U | 8-LFCSP-2X3X0.75 |
This is the most up-to-date revision of the Data Sheet.
Hardware Ecosystem
Parts | Product Life Cycle | Description |
---|---|---|
1-Wire Secure Authenticators 4 | ||
DS28E15 | RECOMMENDED FOR NEW DESIGNS | DeepCover Secure Authenticator with 1-Wire SHA-256 and 512-Bit User EEPROM |
DS28E22 | PRODUCTION | DeepCover Secure Authenticator with 1-Wire SHA-256 and 2Kb User EEPROM |
DS28E25 | PRODUCTION | DeepCover Secure Authenticator with 1-Wire SHA-256 and 4Kb User EEPROM |
DS2465 | RECOMMENDED FOR NEW DESIGNS | DeepCover Secure Authenticator with SHA-256 Coprocessor and 1-Wire Master Function |
Tools & Simulations
DeepCover® Security Lab
Open Tool