Part Number: ATECC508A-MAHDA-T

Manufacturer: Microchip Technology

Description: Security ICs / Authentication ICs ECDH/ECC 10Kb 8ld UDFN I2C, T&R

Shipped from: Shenzhen/HK Warehouse

Stock Available: Check with us

Technical Specifications of ATECC508A-MAHDA-T

Datasheet  ATECC508A-MAHDA-T datasheet
Category Integrated Circuits (ICs)
Family Specialized ICs
Manufacturer Atmel
Series CryptoAuthentication?
Packaging Tape & Reel (TR)
Part Status Active
Type Authentication Chip
Applications Networking and Communications
Mounting Type Surface Mount
Package / Case 8-UFDFN Exposed Pad
Supplier Device Package 8-UDFN (2×3)

As the first crypto device to incorporate ECDH (Elliptic Curve Diffie-Hellman) key agreement, the ATECC508A crypto element makes it simple to implement end-to-end encryption on a wide variety of digital systems, such as IoT nodes used in industrial networking, accessory, home automation,  and consumable authentication, medical, mobile, and other fields. The ATECC508A is equipped with both ECDH and ECDSA sign-verify capabilities, making it an excellent choice for secure asymmetric authentication applications.

ATECC508A-MAHDA-T Additional Features

  • ECDSA and ECDH Key Agreement are widely used because they simplify encryption and decryption.
  • It is ideal for IoT node security
  • Authentication without the requirement of secure host storage No need for client devices to use high-speed computing Accelerator for cryptography with safe hardware-based key storage.
  • Carries out High-Speed Public Key (PKI) Algorithms

Product Technical Specifications

EU RoHS Compliant
ECCN (US) 5A992a.
Part Status NRND
HTS 8542.39.00.01
Automotive No
Encryption Standard SHA-256
Minimum Endurance (Cycles) 400000
Data Retention (Year) 10@55°C|30@35°C
Key Size 256bit
Number of Keys 16
Memory Size 10KB
Process Technology CMOS
Interface Type I2C
Minimum Operating Supply Voltage (V) 2
Maximum Operating Supply Voltage (V) 5.5
Minimum Operating Temperature (°C) -40
Maximum Operating Temperature (°C) 85
Supplier Temperature Grade Industrial
Packaging Tape and Reel
Mounting Surface Mount
Package Height 0.55(Max)
Package Width 3
Package Length 2
PCB changed 8
Standard Package Name DFN
Supplier Package UDFN EP
Pin Count 8
Lead Shape No Lead

 Frequently Asked Questions

What is Security IC?

A security integrated circuit is a dedicated IC with specially developed security hardware.

It has been developed specifically to provide cryptographic features and to protect your system from intrusion attempts. It serves as the base upon which the embedded software of the security IC can be installed and configured.

Circuit blocks such as a random number generator, tamper detection, arithmetic accelerator, physically unclonable function (PUF), and nonvolatile memory are included in the security integrated circuit.

A security-integrated circuit incorporating a PUF block is extremely valuable.

It has the remarkable capacity to withstand intrusive attempts to extract sensitive data, such as a cryptographic key, and attempts made by reverse engineers to decipher its code.

Despite having applications in various industries, the security integrated circuit can be used as a component in various goods, including smart cards, USB tokens, and other devices.

In most cases, after production is complete, you can keep the security IC in your possession and use it whenever and whenever you like, no matter where you are in the globe.

Which are the Components of Security IC?

Typically, security IC parts include

  • A processing unit (CPU)
  • I/O ports such as contact, contactless or corresponding interfaces like MMC and USB
  • Security Circuitry
  • Reset Logic
  • RAM
  • Clock Circuitry
  • Random Number Generator
  • Crypto Processor

A security IC may include other parts like capacitors, batteries, antennae, and other particular hardware components.

What is the Function of Security IC?

any protection The main duty of IC is to protect your system from any potential intrusion attempts.  It protects your system against nefarious individuals attempting to steal money, gain illegal access to information, and exert influence over your security system by using the Security IC.

Most of the time, confidential or integrity-sensitive data, such as the balance value of debit cards, PINs, and personal data files, are the types of information that comprise protected information. In addition, information that provides access to a right of access is considered part of the protected body of data.

These data contain any cryptographic keys or algorithms necessary to obtain access to and make use of the services made available by the secure IC system.

Why use Security ICs?

The following is a list of some of the benefits offered by systems that use Security IC:

  • Protects the data contained within the system’s memories, ensuring its authenticity and secrecy are preserved.
  • Ensure that the software installed on the security IC system runs correctly and securely.
  • Protect the keys that are necessary for authentication in the cloud.
  • It allows for the rapid development of security systems at the lowest possible cost and in the shortest amount of time.
  • Helps the battery last for longer.

Are there Disadvantages to using Security Integrated Circuits?

Yes, some of the more advanced integrated circuits for security could have a high price tag. If you mishandle such an integrated circuit and it develops a flaw; as a result, you will be required to purchase a replacement for it. Because of their small components, security ICs are typically not repairable because the process would be impractical.

Which are the main Threats to Security IC?

The following is a list of the most typical sorts of cyber threats that can be faced by persons and organizations that operate Security IC systems:

Manipulation of Data

This could refer to any data, consisting of code, that was either saved by the security integrated circuit or operated on by it. During this kind of cyberattack, the perpetrator can change a sizeable portion of the data that has been stolen. Threats such as T.Malfunction, T.Abuse-Func, and T.Phys-Manipulation are included in the category of data manipulation.

Manipulation of the Security IC

In this scenario, the attacker can purposefully change or deactivate the functionality of a certain function in a way that makes it easier for the vulnerability to be exploited. You need to watch out for the T.Malfunction,  T.Abuse-Func, and T.Phys-Manipulation threats in this kind of attack.

Disclosure of Data

In this case, an attacker has access to a significant data block. T.Abuse-Func, T.Leak-Forced, T.Leak-Inherent, and T.Phys-probing are among the dangers in this kind of security IC assault.

Cloning of the Security IC

The replication of the secure IC’s functional behavior on its command and physical interface causes the most security concern in an execution environment.

The main objective of functional behavior cloning is to; Make a working copy of the security IC’s embedded software. divulge, analyze, and make use of the private user information kept in the secure IC, and Using the inputs from the primary IC, create a functional counterfeit of the security IC.


We hope that this post was able to provide you with some knowledge that will help you out. If you have any queries, please do not be reluctant to leave them in the comment sections below, and we will do our best to respond to them as quickly as possible. Feel free to look around at your convenience on our website to get any extra information you may require; a lot of content can be used there.

ATECC508A-MAHDA-T can be purchased directly from the ICRFQ website. Electronic components from the world’s top manufacturers are available in various styles, prices, and values. ATECC508A-MAHDA-T components are hand-picked, subjected to rigorous quality control, and consistently delivered over expectations.

4.8/5 - (397 votes)
Kevin Chen