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Embedded systems need protection from malicious attacks. Add tamper detection to your system to protect sensitive data and encryption keys. Or safeguard your IP and R&D investment from cloning and unauthorized use. With Maxim’s solutions, you can easily secure your entire system.

Security manager products work with your microcontroller to protect information. Secure Authenticator ICs provide crypto-strong authentication. Our secure microcontrollers have built-in FIPS-certified hardware cryptographic engines that support industry-standard algorithms.

Analog ICs provide complete analog circuit functions.

Security Managers
Security manager ICs keep the most critical information secured—permanently with on-chip physical tamper protection.
Secure Authentication
Secure Authenticators implement advanced physical security to achieve the ultimate in low-cost IP protection, clone prevention, and peripheral authentication.
NFC/RFID Products
Secure NFC Transponders (Tags) and RFID Transceivers (Readers) use a bidirectional security model to enable secure contactless communication.
Secure Microcontrollers
Find out more about Maxim Integrated’s secure microcontroller ICs that can provide unsurpassed levels of security for IoT and other applications.


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Featured Blog

Latest Blogs

What Makes Cryptography Easier? Secure Authenticators and Coprocessors

September 17, 2020

See how secure authenticators and coprocessors make it easier for you to integrate cryptography to protect your embedded designs.

Understand and Address Threats to Cryptographic Systems

September 10, 2020

Understand the threats that cryptographic systems face and how you can guard against these threats.

Why Hardware-Based Cryptography Offers Stronger IoT Design Protection

August 18, 2020

Learn why a hardware-based approach to cryptography provides more robust protection of IoT designs than software cryptography.

Here’s an Easier Way to Keep Your IoT Devices Safe from Hackers

August 06, 2020

Learn how a new cryptographic coprocessor makes it easy to implement end-to-end encryption and other cybersecurity features for IoT devices.

What Makes PUF Technology One of the Best Protections in Cryptography?

July 02, 2020

Learn how physically unclonable function (PUF) technology works and what makes it a robust security solution for embedded systems.

How Cryptographic Algorithms Protect Embedded Designs

June 16, 2020

Understand how cryptography algorithms, including symmetric keys and asymmetric keys, work their magic to protect designs from security threats.

The Keys to How Modern Cryptography Keeps Transactions Safe

June 09, 2020

Get a better understanding of how modern cryptography works, with special emphasis on asymmetric and symmetric keys.

What’s All the Fuss About Cryptography?

May 07, 2020

Get up to speed on the basics of cryptography, so you can protect your IoT designs from hackers and other security threats.

How Secure Authentication Protects Your Automotive Designs from Counterfeiting

April 09, 2020

Counterfeit vehicle parts are a potential safety hazard. Read this blog post to learn how secure authentication easily protects your automotive designs from security threats.

See If You Can Steal These Keys

September 03, 2019

Ben Smith narrates a 30-second video that explains how ChipDNA physically unclonable function technology secures embedded designs.

See more

Featured Products

MAX36210 Security Supervisor with SP800-90A/B TRNG, Tamper Detection, and Cryptography
As Internet connectivity and greater intelligence get integrated into more products, these produ...
  • Low-Power Security Supervisor Enables Cost Effective Security Solution
    • 1KB Battery-Backed NV SRAM with High-Speed Erase on its AES-256 Encryption Key
    • 4KB Flash Data Storage
    • Battery-Backed Tamper Circuit and RTC
    • Low-Current Battery-Backup Operation
    • Operates from Single 3.3V Supply
  • Security Features Facilitate System-Level Protection
    • Tamper Detection with Fast Wipe Key/Data Destruction
    • Hardware Accelerators for AES (128/192/256), 3DES, RSA (1024/2048/4096), ECDSA (p256/p384/p521), SHA (1/224/256/384/512)
    • True Hardware Random-Number Generator (NIST SP800-90B output and SP800-90A post process)
    • Temperature, Voltage and Die Shield Sensors to Detect Attacks
    • 2 Pairs of External Sensor Tamper Detects
    • Time Stamp for Tamper Event
    • Encrypted NV SRAM Data Transfer
    • Authentication with Connected Host
    • 104-Bit Unique Serial Number
  • Integrated Peripherals Allows for Easy Integration into Applications
    • Programmable Alarm with External Output
    • CPU Supervisor
    • SPI, I²C, UART Interfaces
    • 4 GPIO Pins
Product Image
DS28E40 Deep Cover Automotive 1-Wire Authenticator
The DS28E40 is a secure authenticator that provides a core set of cryptographic tools derived fr...
  • ECC-P256 Compute Engine
    • FIPS 186 ECDSA P256 Signature and Verification
    • ECDH Key Exchange for Session Key Establishment
    • ECDSA Authenticated R/W of Configurable Memory
  • SHA-256 Compute Engine
    • FIPS 198 HMAC for Bidirectional Authentication
  • SHA-256 One-Time Pad Encrypted R/W of Configurable Memory Through ECDH Established Key
  • One GPIO Pin with Optional Authentication Control
    • Open-Drain, 4mA/0.4V
    • Optional SHA-256 or ECDSA Authenticated On/Off and State Read
    • Optional ECDSA Certificate Verification to Set On/Off after Multiblock Hash for Secure Boot
  • TRNG with NIST SP 800-90B Compliant Entropy Source with Function to Read Out
  • Optional Chip-Generated Pr/Pu Key Pairs for ECC Operations
  • 6Kb of One-Time Programmable (OTP) for User Data, Keys, and Certificates
  • Unique and Unalterable Factory-Programmed 64-Bit Identification Number (ROM ID)
    • Optional Input Data Component to Crypto and Key Operations
  • Single-Contact, 1-Wire Interface Communication with Host at 9.09kbps and 62.5kbps
  • 3.3V ±10%, -40°C to +125°C Operating Range
  • ±8kV HBM ESD protection of 1-Wire IO Pin
  • 10-Pin, 3mm x 4mm TDFN Package
  • AEC-Q100 Grade 1
Product Image
DS2488 1-Wire Dual-Port Link
The DS2488 is a simple bridge device that with a single dedicated contact on each side of the br...
  • Two-Contact Solution Enables Advance TWS Features
    • Small Message Exchange between a Case and Earbuds
    • High-Speed 512kbps Pass-Through Mode to Transfer Files
    • Earbud Battery Charger Power Delivery
    • Three GPIO Pins for Optional Feature Control or State Detection
  • Full Range of Capabilities for Earbud and Charging Case Detection
    • Earbud 64-Bit Identification Number (ROM ID) Readable upon Insertion
    • Operating Power Parasitically Derived from the 1-Wire IOA Line
    • Detect when in or out of a Charging Case
    • Detect a Dead Charging Case Battery
  • Minimalist Dual 1-Wire Interface Reduces Cost and Complexity
    • Single Dedicated Contact for Communication and Power
    • Arbitrated Communication between Two Host Controllers at 90kbps
    • Reads and Writes over a Wide 1.71V to 3.63V Voltage Range
  • Ideal for Battery Power Consumer Applications
    • Small, 1.6mm x 0.9mm x 0.33mm WLP with 0.4mm Ball Pitch
    • 1.71V to 3.63V Operating Voltage Range
    • High ESD Immunity of IOA Pin: ±8kV HBM (typ)
    • -40°C to +85°C Operation
Product Image
DS28S60 DeepCover Cryptographic Coprocessor with ChipDNA
The DS28S60 DeepCover® cryptographic coprocessor easily integrates into embedded systems enablin...
  • Secure Coprocessor with NIST-Compliant Hardware-Based Crypto
    • FIPS-180 SHA-256 MAC and FIPS-198 HMAC Hash
    • FIPS-197 AES-128 with GCM
    • FIPS-186 ECDSA-P256 Elliptic Curve Digital Signature/Verification
    • SP800-56A ECDHE-P256 Key Exchange
    • SP800-90B Compliant TRNG
  • Robust Countermeasures Protect Against Security Attacks
    • ChipDNA Produced Key Cryptographically Protects All Stored Data
    • Actively Monitored Die Shield Detects and Reacts to Intrusion Attempts
  • Enables Fast Time-to-Market with Easy End Application Integration
    • Fixed-Function Command Set, No Device-Level Firmware
    • C-Source Demos for Examples of SW Development
    • 3.6KB Flash Array for Secure Key, Certificate, and Data Storage
  • High-Speed Interface for Host Microcontroller Communication
    • 20MHz SPI with Mode 0 or Mode 3 Operation
  • Supplemental Features Enable Easy Integration into End Applications
    • Unique and Unalterable Factory-Programmed, 64-Bit Identification Number (ROM ID)
    • Low-Power Operation
      • 100nA Power-Down Mode
      • 0.35mA Idle
    • 12-Pin 3mm x 3mm TDFN
  • -40°C to +105°C, 1.62V to 3.63V
  • Product Image
    DS28E18 1-Wire® to I2C/SPI Bridge with Command Sequencer
    The DS28E18 is a simple communications bridge that resides at a remote SPI or I2C sensor and all...
    • Operate Remote I2C or SPI Devices Using Single-Contact 1-Wire Interface
      • Extending I2C/SPI Communication Distance
      • Reduce Six Wires (for SPI) or Four Wires (for I2C) to Two Wires
      • 512-Byte Sequencer for Autonomous Operation of Attached Devices
      • Two Configurable GPIO Pins for Additional Peripheral Control
    • No External Power Required
      • DS28E18 Parasitically Powered from 1-Wire
      • I2C/SPI Peripheral Power Derived from the 1-Wire Line
    • Flexible 1-Wire and I2C/SPI Master Operational Modes
      • Supports Standard (11kbps) and Overdrive (90kbps) 1-Wire Communication
      • 100kHz, 400kHz, and 1MHz for I2C Slaves
      • Up to 2.3MHz for SPI Slaves
    • Easy to Integrate
      • Small, 2mm x 3mm x 0.75mm, 8-Pin TDFN Package
      • -40°C to +85°C Operation
      • 2.97V to 3.63V Operating Voltage Range
    Product Image
    DS28E38 DeepCover® Secure ECDSA Authenticator with ChipDNA PUF Protection
    The DS28E38 is an ECDSA public key-based secure authenticator that incorporates Maxim’s patented...
    • Robust Countermeasures Protect Against Security Attacks
      • Patented Physically Unclonable Function Secures Device Data
      • Actively Monitored Die Shield Detects and Reacts to Intrusion Attempts
      • All Stored Data Cryptographically Protected from Discovery
    • Efficient Public-Key Authentication Solution to Authenticate Peripherals
      • FIPS 186-Compliant ECDSA P256 Signature for Challenge/Response Authentication
      • Options for ECDSA Public/Private Key Pair Source Include ChipDNA Generated, Chip Computed, and User Installed
      • TRNG with NIST SP 800-90B Compliant Entropy Source
    • Supplemental Features Enable Easy Integration into End Applications
      • 17-Bit One-Time Settable, Nonvolatile Decrement-Only Counter with Authenticated Read
      • 2Kbits of EEPROM for User Data, Key, Control Registers, and Certificate
      • Unique and Unalterable Factory Programmed 64-Bit Identification Number (ROM ID)
      • Single-Contact, 1-Wire Interface Communication with Host at 11.7kbps and 62.5kbps
      • Operating Range: 3.3V ±10%, -40°C to +85°C
      • 6-Pin TDFN-EP Package (3mm x 3mm)
      • 2-Pad SFN Package (3.5mm x 6.5mm)
    Product Image
    DS28C16 I²C Low-Voltage SHA-3 Authenticator
    The DS28C16 secure authenticator combines FIPS202-compliant Secure Hash Algorithm (SHA-3) challe...
    • Robust Countermeasures Protect Against Security Attacks
      • All Stored Data Cryptographically Protected from Discovery
    • Efficient Secure Hash Algorithm Authenticates Peripherals
      • FIPS 202-Compliant SHA-3 Algorithm for Challenge/Response Authentication
      • FIPS 198-Compliant Keyed-Hash Message Authentication Code (HMAC)
    • Supplemental Features Enable Easy Integration into End Applications
      • 17-Bit One-Time Settable, Nonvolatile Decrement-Only Counter with Authenticated Read
      • Secure Storage for Secrets
      • 256 Bits of Secure EEPROM for User Data
      • Unique and Unalterable Factory Programmed 64-Bit Identification Number (ROM ID)
      • I²C Communications Up to 1MHz
      • Operating Range: 1.62V–3.63V, -40°C to +85°C
      • 8-Pin, 2mm x 2mm TDFN-EP Package
    Product Image
    DS2477 DeepCover Secure SHA-3 Coprocessor with ChipDNA PUF Protection
    The DS2477 secure I²C coprocessor with built-in 1-Wire® master combines FIPS202-compliant secure...
    • Robust Countermeasures Protect Against Security Attacks
      • Patented Physically Unclonable Function Secures Device Data
      • Actively Monitored Die Shield Detects and Reacts to Intrusion Attempts
      • All Stored Data Cryptographically Protected from Discovery
    • Efficient Secure Hash Algorithm Authenticates and Manages Peripherals
      • FIPS 202-Compliant SHA-3 Algorithm for Bidirectional Authentication
      • FIPS 198-Compliant Keyed-Hash Message Authentication Code (HMAC)
      • TRNG with NIST SP 800-90B Compliant Entropy Source
    • Supplemental Features Enable Easy Integration into End Applications
      • 2Kb of EEPROM for User Data, Key, and Control Registers
      • One Open-Drain GPIO Pin
      • Unique and Unalterable Factory Programmed 64-Bit Identification Number (ROM ID)
      • Large 1-Wire Block Buffer (126 bytes) for Efficient Data Transfer
      • 1-Wire Standard and Overdrive Timing Communication Speeds
      • I²C Communication, Up to 1MHz
      • Operating Range: 3.3V ±10%, -40°C to +85°C
      • 6-Pin TDFN-EP Package (3mm x 3mm)
    Product Image
    DS28E36 DeepCover Secure Authenticator
    The DS28E36 is a DeepCover® secure authenticator that provides a core set of cryptographic tools...
    • ECC-256 Compute Engine
      • FIPS 186 ECDSA P256 Signature and Verification
      • ECDH Key Exchange with Authentication Prevents Man-in-the-Middle Attacks
      • ECDSA Authenticated R/W of Configurable Memory
    • SHA-256 Compute Engine
      • FIPS 180 MAC for Secure Download/Boot Operations
      • FIPS 198 HMAC for Bidirectional Authentication and Optional GPIO Control
    • Two GPIO Pins with Optional Authentication Control
      • Open-Drain, 4mA/0.4V
      • Optional SHA-256 or ECDSA Authenticated On/Off and State Read
      • Optional Set On/Off after Multiblock Hash for Secure Boot/Download
    • RNG with NIST SP 800-90B Compliant Entropy Source with Function to Read Out
    • Optional Chip Generated Pr/Pu Key Pairs for ECC Operations
    • 17-Bit One-Time Settable, Nonvolatile Decrement-Only Counter with Authenticated Read
    • 8Kbits of EEPROM for User Data, Keys, and Certificates
    • Unique and Unalterable Factory Programmed 64-Bit Identification Number (ROM ID)
      • Optional Input Data Component to Crypto and Key Operations
    • Single-Contact 1-Wire Interface Communication with Host at 11.7kbps and 62.5kbps
    • Operating Range: 3.3V ±10%, -40°C to +85°C
    • 6-Pin TDFN-EP Package (3mm x 3mm)
    MAX66240 DeepCover Secure Authenticator with ISO 15693, SHA-256, and 4Kb User EEPROM
    DeepCover® embedded security solutions cloak sensitive data under multiple layers of advanced ph...
    • Dedicated Hardware-Accelerated SHA Engine
    • Strong Authentication with a High Bit Count User-Programmable Secret and Input Challenge
    • 4096 Bits of User EEPROM with User-Programmable R/W Protection Options Including OTP/EPROM Emulation Mode
    • Unique Factory-Programmed 64-Bit Identification Number
    • ISO/IEC 15693: Up to 26kbps
    • ±2kV HBM ESD Protection for All Pins
    Download Data Sheet Evaluation Kit
    DS28C39 DeepCover Secure ECDSA Bidirectional Authenticator with ChipDNA PUF Protection
    The DS28C39 is an ECDSA public-key-based bidirectional secure authenticator that incorporates Ma...
    • Robust Countermeasures Protect Against Security Attacks
      • Patented Physically Unclonable Function Secures Device Data
      • Actively Monitored Die Shield Detects and Reacts to Intrusion Attempts
      • All Stored Data Cryptographically Protected from Discovery
    • ECDSA Authenticated R/W of Stored Data and Counter
    • Efficient Public-Key Authentication Solution to Authenticate Peripherals
      • FIPS 186-Compliant ECDSA P256 Signature for Challenge/Response Authentication
      • ChipDNA Generated Public/Private Key Pair.
      • TRNG with NIST SP 800-90B Compliant Entropy Source
    • Supplemental Features Enable Easy Integration into End Applications
      • 17-Bit One-Time Settable, Nonvolatile Decrement-Only Counter with Authenticated Read
      • 2Kb of EEPROM for User Data, Key, Control Registers, and Certificate
      • Unique and Unalterable Factory Programmed 64-Bit Identification Number (ROM ID)
      • I2C Communication: Up to 200kHz
      • Operating Range: 3.3V ±10%, -40°C to +85°C
      • 6-Pin TDFN-EP Package (3mm x 3mm)
    Product Image
    DS28E16 1-Wire Secure SHA-3 Authenticator
    The DS28E16 secure authenticator combines FIPS202-compliant Secure Hash Algorithm (SHA-3) challe...
    • Robust Countermeasures Protect Against Security Attacks
      • All Stored Data Cryptographically Protected from Discovery
    • Efficient Secure Hash Algorithm Authenticates Peripherals
      • FIPS 202-Compliant SHA-3 Algorithm for Challenge/Response Authentication
      • FIPS 198-Compliant Keyed-Hash Message Authentication Code (HMAC)
    • Supplemental Features Enable Easy Integration into End Applications
      • 17-Bit One-Time Settable, Nonvolatile Decrement-Only Counter with Authenticated Read
      • Secure Storage for Secrets
      • 256 Bits of Secure EEPROM for User Data
      • Unique and Unalterable Factory Programmed 64-Bit Identification Number (ROM ID)
      • Advanced 1-Wire Protocol Minimizes Interface to Single Contact
      • Full-Time Overdrive Communication Speed
      • Internal Parasite Power Capacitor
      • Operating Range: 1.71V–3.63V, -40°C to +85&degC
      • WLP, TDFN-EP, and SFN Packages
      • ±8kV HBM ESD Protection (typ)
      • 3.5&microA (typ) Input Load Current
    MAX32592 DeepCover Secure Microcontroller with ARM926EJ-S Processor Core
    DeepCover® embedded security solutions cloak sensitive data under multiple layers of advanced ph...
    • High Performance CPU platform Enables Feature Rich OS
      • Arm926EJ-S™ Processor Core with 16KB Data Cache and 32KB Instruction Cache
      • 4KB Instruction TCM, 4KB Data TCM
      • Up to 400MHz Core Operating Frequency
      • Up to 200MHz Multilayer AHB Bus Matrix
      • Up to 100MHz APB Bus Matrix
      • 384KB System SRAM
      • Flexible Clock Prescalers
      • Configurable Low-Power Modes
    • Security Features Facilitates System-Level Protection
      • Secure Bootloader with Public Key Authentication
      • 256-Bit Flip-Flop-Based Nonvolatile AES Key Storage
      • 24KB AES User-Encryptable NV SRAM
      • 2KB User-Programmable OTP
      • AES, DES, and SHA Hardware Accelerators
      • Modulo Arithmetic Hardware Accelerator (MAA) Supporting RSA, DSA, and ECDSA
      • Secure Keypad Controller
      • Hardware True Random Number Generator
      • Die Shield with Dynamic Fault Detection
      • Six External Tamper Sensors with Independent Random Dynamic Patterns
      • Temperature and Voltage Tamper Monitor
      • Real-Time External Memory Encryption and Integrity Check
    • Optimal Peripheral Mix Provides Platform Scalability
      • External Memory Controller (LPDDR400, SDRAM, SRAM, NOR Flash, NAND Flash)
      • NAND Flash Controller with Hardware ECC
      • USB 2.0 Host/Device with Internal Transceivers
      • Three UART Ports/One I2C Port
      • Three SPI Ports with I2S Functionality
      • Two ISO 7816 Smart Card Interfaces
      • SD/SDHC/SDIO Interface
      • 10/100Mbps Ethernet MAC Controller
      • Three Timers with PWM Capability
      • Up to 126 General-Purpose I/O Pins
      • 2-Channel, 10-Bit ADC
      • LCD Controller Supporting STN and TFT Displays
      • Monochrome LCD Controller
      • 16-Channel DMA Controller
      • Real-Time Clock
      • Advanced Interrupt Controller
    MAX32561 DeepCover Secure Arm Cortex-M3 Flash Microcontroller
    DeepCover® embedded security solutions cloak sensitive data under multiple layers of advanced ph...
    • Arm Cortex M3 Processor Core Allows for Easy Integration into Applications
      • 108MHz Core Operating Frequency Through PLL
      • 1MB Dual-Bank Flash Memory with Cache
      • 384KB System SRAM
      • 8KB AES Self-Encrypted NVSRAM
    • Security Features Facilitate System-Level Protection
      • ISO 14443 type A/B EMV Compliant Contactless Reader with Internal Transceiver
      • Secure Boot Loader with Public Key Authentication
      • AES, DES and SHA Hardware Accelerators
      • Modulo Arithmetic Hardware Accelerator (MAA) Supporting RSA, DSA, and ECDSA
      • 9-Line Secure Keypad Controller
      • Hardware True Random-Number Generator
      • Die Shield with Dynamic Fault Detection
      • 6 External Tamper Sensors with Independent Random Dynamic Patterns
      • 256-Bit Flip-Flop-Based Battery-Backup AES Key Storage
      • Temperature and Voltage Tamper Monitor
      • Real-Time Clock
    • Integrated Peripherals Reduce External Component Count
      • Triple-Track Magnetic Stripe Head Interface
      • One ISO 7816 Smart Card Interface with Integrated Transceiver (1.8V, 3V, and 5V) and One Smart Card Interface Only
      • USB 2.0 Device with Internal Transceiver and Dedicated PLL
      • 2 SPI Ports, 2 UART Ports, and I²C Controller
      • 6 Timers, 2 with PWM Capability
      • Up to 39 General-Purpose I/O Pins
      • 1-Channel, 10-Bit ADC
      • 4-Channel DMA Controller
      • 1 SPI Execute in Place (XiP) Master
    • Power Management Optimizes Battery Life and Reduces Active Power Consumption
      • Single 3.3V Supply Operation*
      • Integrated Battery-Backup Switch
      • Clock Gating Function
      • Low-Current Battery-Backup Operation
    DS28c50 DeepCover I2C Secure SHA-3 Authenticator with ChipDNA PUF Protection
    The DS28C50 secure authenticator combines FIPS202-compliant secure hash algorithm (SHA-3) challe...
    • Robust Countermeasures Protect Against Security Attacks
      • Patented Physically Unclonable Function Secures Device Data
      • Actively Monitored Die Shield Detects and Reacts to Intrusion Attempts
      • All Stored Data Cryptographically Protected from Discovery
    • Efficient Secure Hash Algorithm Authenticates Peripherals
      • FIPS 202-Compliant SHA-3 Algorithm for Challenge/Response Authentication
      • FIPS 198-Compliant Keyed-Hash Message Authentication Code (HMAC)
      • TRNG with NIST SP 800-90B Compliant Entropy Source
    • Supplemental Features Enable Easy Integration into End Applications
      • 17-Bit One-Time Settable, Nonvolatile Decrement Only Counter with Authenticated Read
      • One GPIO Pin with Optional Authentication Control
      • 2Kb of EEPROM for User Data, Key, and Control Registers
      • Unique and Unalterable Factory Programmed 64-Bit Identification Number (ROM ID)
      • Operating Range: 3.3V ±10%, -40°C to +85°C
      • 6-Pin TDFN-EP Package (3mm x 3mm)
      • I2C Communication, up to 1MHz
    Product Image
    DS28C50 DeepCover I2C Secure SHA-3 Authenticator with ChipDNA PUF Protection
    The DS28C50 secure authenticator combines FIPS202-compliant secure hash algorithm (SHA-3) challe...
    • Robust Countermeasures Protect Against Security Attacks
      • Patented Physically Unclonable Function Secures Device Data
      • Actively Monitored Die Shield Detects and Reacts to Intrusion Attempts
      • All Stored Data Cryptographically Protected from Discovery
    • Efficient Secure Hash Algorithm Authenticates Peripherals
      • FIPS 202-Compliant SHA-3 Algorithm for Challenge/Response Authentication
      • FIPS 198-Compliant Keyed-Hash Message Authentication Code (HMAC)
      • TRNG with NIST SP 800-90B Compliant Entropy Source
    • Supplemental Features Enable Easy Integration into End Applications
      • 17-Bit One-Time Settable, Nonvolatile Decrement Only Counter with Authenticated Read
      • One GPIO Pin with Optional Authentication Control
      • 2Kb of EEPROM for User Data, Key, and Control Registers
      • Unique and Unalterable Factory Programmed 64-Bit Identification Number (ROM ID)
      • Operating Range: 3.3V ±10%, -40°C to +85°C
      • 6-Pin TDFN-EP Package (3mm x 3mm)
      • I2C Communication, up to 1MHz
    Product Image
    DS28C40 Deep Cover Automotive I²C Authenticator
    The DS28C40 is a secure authenticator that provides a core set of cryptographic tools derived fr...
    • ECC-P256 Compute Engine
      • FIPS 186 ECDSA P256 Signature Generation and Verification
      • ECDH Key Exchange for Session Key Establishment
      • ECDSA Authenticated R/W of Configurable Memory
    • SHA-256 Compute Engine
      • FIPS 198 HMAC for Bidirectional Authentication
    • SHA-256 One-Time Pad Encrypted R/W of Configurable Memory Using an ECDH Established Key
    • One GPIO Pin with Optional Authentication Control
      • Open-Drain, 4mA/0.4V
      • Optional SHA-256 or ECDSA Authenticated On/Off and State Read
      • Optional ECDSA Certificate Verification to Set On/Off after Multiblock Hash for Secure Boot
    • TRNG with NIST SP 800-90B Compliant Entropy Source with Function to Read Out
    • Optional Chip Generated Private/Public (Pr/Pu) Key Pairs for ECC Operations
    • 6Kb of One-Time Programmable (OTP) for User Data, Keys, and Certificates
    • Unique and Unalterable Factory Programmed 64-BitIdentification Number (ROM ID)
      • Optional Input Data Component to Crypto and Key Operations
    • I²C Communication Up to 1MHz
    • 3.3V ±10%, -40°C to +125°C Operating Range
    • 10-Pin, 3mm x 4mm TDFN Package
    • AEC-Q100 Grade 1
    Product Image
    DS28E84 DeepCover Radiation Resistant, High-Capacity 1-Wire Secure Authenticator
    The DS28E84 is a radiation-resistant secure authenticator that provides a core set of cryptograp...
    • High Radiation Resistance Allows User-Programmable Manufacturing or Calibration Data Before Medical Sterilization
      • Resistant Up to 50kGy (kiloGray) of Radiation
      • 10kb of One Time Programmable (OTP) for User Data, Keys, and Certificates
      • 15Kb of Secure FRAM for User Data and Certificates
    • ECC-P256 Compute Engine
      • FIPS 186 ECDSA P256 Signature and Verification
      • ECDH Key Exchange for Session Key Establishment
      • ECDSA Authenticated R/W of Configurable Memory
    • SHA-256 Compute Engine
      • FIPS 180 MAC for Secure Download/Boot
      • FIPS 198 HMAC for Bidirectional Authentication and Optional GPIO Control
    • SHA-256 OTP (One-Time Pad) Encrypted R/W of Configurable Memory Through ECDH Established Key
    • One GPIO Pin with Optional Authentication Control
      • Open-Drain, 4mA/0.4V
      • Optional SHA-256 or ECDSA Authenticated On/Off and State Read
      • Optional ECDSA Certificate to Set On/Off After Multiblock Hash for Secure Download
    • TRNG with NIST SP 800-90B Compliant Entropy Source with Function to Read Out
    • Optional Chip Generated Pr/Pu Key Pairs for ECC Operations or Secrets for SHA256 Functions
    • 17-Bit One-Time Settable, Nonvolatile Decrement-Only Counter with Authenticated Read
    • Unique and Unalterable Factory Programmed 64-Bit Identification Number (ROM ID)
      • Optional Input Data Component to Crypto and Key Operations
    • Advanced 1-Wire Protocol Minimizes Interface to Just Single Contact
    • Operating Range: 3.3V ±10%, 0°C to +50°C
    • ±8kV HBM ESD Protection of 1-Wire IO Pin
    • 6-Pin, 3mm x 3mm TDFN
    See More

    Reference Designs

    Product Image
    MAXREFDES143
    Demonstrates an authenticated data chain from a protected sensor node to a web server.
    Product Image
    MAXREFDES44
    Protects IP and authenticates peripherals to Xilinx Zynq™ FPGAs.
    Product Image
    MAXREFDES34 (Alcatraz)
    This design implements SHA-256 authentication function using the 1-Wire protocol.
    Product Image
    DS28C40EVKIT
    Provides the hardware and software necessary to exercise the features of the DS28C40.
    Product Image
    MAX66242EVKIT
    Includes ISO 15693, I2C, SHA-256 tag/transponder with 4Kb user EEPROM, RF/I2C interface and ener...
    Product Image
    DS28E38EVKIT
    ECDSA asymmetric authentication with ChipDNA PUF protection and 2Kb user EEPROM.