DS28EL15
PRODUCTIONDeepCover Secure Authenticator with 1-Wire SHA-256 and 512-Bit User EEPROM
Protect Your Development Investment with Crypto-Strong Authentication and Advanced Physical Security
- Part Models
- 2
- 1ku List Price
- Starting From $1.20
Part Details
- Symmetric-Key-Based Bidirectional Secure Authentication Model Based on SHA-256
- Strong Authentication with a High-Bit-Count User-Programmable Secret and Input Challenge
- 512 Bits of User EEPROM Partitioned Into Two Pages of 256 Bits
- User-Programmable and Irreversible EEPROM Protection Modes Including Authentication, Write and Read Protect, and OTP/EPROM Emulation
- Unique Factory-Programmed, 64-Bit Identification Number
- Single-Contact 1-Wire Interface
- Operating Range: 1.8V ±5%, -40°C to +85°C
- ±8kV HBM ESD Protection (typ)
- 6-Pin TDFN-EP Package
DeepCover® embedded security solutions cloak sensitive data under multiple layers of advanced physical security to provide the industry's most secure key storage possible. The Deepcover Secure Authenticator (DS28EL15) combines crypto-strong bidirectional secure challenge-and-response authentication functionality with an implementation based on the FIPS 180-3-specified Secure Hash Algorithm (SHA-256). A 512-bit user-programmable EEPROM array provides nonvolatile storage of application data. Additional protected memory holds a read-protected secret for SHA-256 operations and settings for memory protection control. Each device has its own guaranteed unique 64-bit ROM identification number (ROM ID) that is factory programmed into the chip. This unique ROM ID is used as a fundamental input parameter for cryptographic operations and also serves as an electronic serial number within the application. A bidirectional security model enables two-way authentication between a host system and slave-embedded DS28EL15. Slave-to-host authentication is used by a host system to securely validate that an attached or embedded DS28EL15 is authentic. Host-to-slave authentication is used to protect DS28EL15 user memory from being modified by a nonauthentic host. The DS28EL15 communicates over the single-contact 1-Wire® bus at overdrive speed. The communication follows the 1-Wire protocol with the ROM ID acting as node address in the case of a multidevice 1-Wire network.
Our Secure Drug Delivery video shows how Maxim security products can be used to authenticate remote drug delivery.
Applications
- Identification and authentication of consumables
- Reference Design License Management
- Sensor/Accessory Authentication and Calibration
- System Intellectual Property Protection
Documentation
Data Sheet 1
Reliability Data 1
Application Note 1
Design Note 3
Technical Articles 5
Request an NDA
Complete documentation is available upon completion of a Non-Disclosure Agreement (NDA).
Request an NDAVideo 1
ADI 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 |
|---|---|---|---|
| DS28EL15Q+T | Thin Dual Flatpack No Leads, Exposed Pad | ||
| DS28EL15Q+U | Thin Dual Flatpack No Leads, Exposed Pad |
| Part Models | Product Lifecycle | PCN |
|---|---|---|
|
Jun 20, 2016 - 1612 ASSEMBLY |
||
| DS28EL15Q+T | PRODUCTION | |
| DS28EL15Q+U | PRODUCTION | |
This is the most up-to-date revision of the Data Sheet.
Tools & Simulations
Software Development 1
DeepCover® Security Lab
Open Tool
Evaluation Kits
Evaluation System for the DS28EL15 and DS24L65
USB-to-1-Wire/iButton Adapter
Reference Designs
SHA-256 Secure Authentication Design
Part Used
Design & Integration Tools
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