MCHPATECC608A
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
Key Specifications
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 Number | Difference | Stock |
|---|---|---|
| ATECC608A-MAHDA | MAHDA | 56,453 |
| ATECC608A-TFLXT | TFLXT | — |



