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ATECC608A

MCHPATECC608A

Microchip Technology
More feature-rich secure element from Microchip with enhanced certificate and key management capabilities.
NRND210,417 in stock

Overview

The ATECC608A is a secure element from Microchip's CryptoAuthentication family designed to provide hardware-based key storage and cryptographic acceleration. It supports asymmetric algorithms like ECDSA and ECDH, alongside symmetric functions such as AES-128 and SHA-256, to protect IoT devices from cloning and unauthorized access. The device features a high-quality random number generator and monotonic counters to prevent replay attacks.

Why Choose This Part

It offloads computationally intensive cryptographic tasks from the host MCU while providing physical protection against side-channel attacks. The wide operating voltage of 2V to 5.5V and extremely low 150nA sleep current make it ideal for battery-powered edge devices.

Applications

Cloud Authentication
Securely storing private keys for mutual TLS authentication with cloud providers like AWS, Azure, and Google Cloud.
Secure Boot
Verifying the signature of host microcontroller firmware to ensure only authorized code is executed during startup.
Ecosystem Control
Validating the authenticity of peripherals or accessories to prevent the use of counterfeit components.
Key Agreement
Facilitating secure key exchange for encrypted communication in smart home or industrial networks.

Key Specifications

Type Authentication Chip
Applications Networking and Communications
Mounting Type Surface Mount
Package / Case 8-UFDFN Exposed Pad
Supplier Device Package 8-UDFN (2x3)

Getting Started

Start development using the Microchip Trust Platform and the CryptoAuthLib library, which provides C-based drivers for various MCUs. The DM320118 (CryptoAuthentication Trust Platform Development Kit) is the recommended hardware tool for prototyping and provisioning workflows.

ATECC608A Family

Part NumberDifferenceStock
ATECC608A-MAHDA MAHDA 56,453
ATECC608A-TFLXT TFLXT

Also Consider

ATECC608B MCHPMicrochip Technology - The direct successor offering improved resistance to physical attacks and refined security features over the A version.