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About
The ATAES132A-SHER-T is a secure EEPROM device from Microchip Technology, designed to provide robust data protection and high reliability for a variety of applications. This 2 Kbit memory device is packaged in an 8-pin SOIC-8 format, making it suitable for integration into space-constrained environments. With a wide operating temperature range of -40°C to +85°C, the ATAES132A is ideal for use in automotive, industrial, and IoT applications where performance and durability are critical.
One of the standout features of the ATAES132A is its security capabilities. The device incorporates AES-128 encryption, ensuring that data is securely stored and protected against unauthorized access. Additionally, it supports secure boot processes and advanced key management, making it an excellent choice for applications that require stringent security measures, such as secure key storage in smart meters and other connected devices. This level of security is essential in today’s landscape, where data breaches and security vulnerabilities are increasingly common.
The ATAES132A-SHER-T utilizes the I²C communication interface, allowing for easy integration into existing systems. With a data rate of up to 1 Mbps, it facilitates fast data transfer, while the low operating current of 1 mA and standby current of just 1 µA help to minimize power consumption. This makes it particularly well-suited for battery-operated devices, where energy efficiency is paramount. The device also features hardware-based write protection, adding an extra layer of security against accidental data alteration.
In terms of reliability, the ATAES132A boasts an impressive endurance of 100,000 write/erase cycles and a data retention guarantee of up to 100 years, ensuring long-term data integrity. With features such as built-in error detection and correction, along with a self-test capability, the device is engineered to maintain high performance under various operating conditions. Overall, the ATAES132A-SHER-T is a versatile and secure memory solution, making it an excellent choice for developers looking to enhance the security and reliability of their electronic designs.
Key Features
- Memory Capacity: 2 Kbit (256 x 8 bits) EEPROM for flexible data storage.
- Secure Data Storage: Incorporates AES-128 encryption for enhanced data security.
- Wide Operating Temperature Range: Functional from -40°C to +85°C, suitable for harsh environments.
- Low Power Consumption: Operating current of 1 mA and standby current of just 1 µA for energy-efficient performance.
- I²C Interface: Supports fast data transfer rates of up to 1 Mbps, facilitating easy integration into various systems.
- High Endurance: Rated for 100,000 write/erase cycles, ensuring long-term usability.
- Data Retention: Guarantees data retention for up to 100 years.
- Write Protection: Features hardware-based write protection to prevent accidental data modification.
- Self-Test Capability: Built-in self-test functionality for reliability checks.
- Error Detection and Correction: Ensures data integrity with built-in mechanisms to detect and correct errors.
- Compact Packaging: Available in an 8-pin SOIC-8 package, making it suitable for space-constrained applications.
- Flexible I²C Addressing: Configurable I²C address ranging from 0x00 to 0x7F.
- Fault Detection: Enhanced reliability through built-in fault detection capabilities.
- Packaging Options: Available in tape and reel or bulk packaging for flexible production needs.
Applications
- Secure Key Storage: Ideal for applications that require the secure storage of cryptographic keys, such as in secure communication systems and digital rights management (DRM) solutions.
- IoT Devices: Suitable for Internet of Things (IoT) applications where data security is paramount, including smart home devices, wearables, and connected sensors.
- Automotive Systems: Used in automotive electronics for secure data management, including key fob security and vehicle identification systems.
- Smart Meters: Employed in smart utility meters to securely store customer data and ensure data integrity against tampering.
- Industrial Control Systems: Utilized in industrial automation for secure firmware updates and protection of sensitive operational data.
- Medical Devices: Applied in medical equipment that requires secure patient data storage and transmission.
- Consumer Electronics: Found in devices such as smart TVs and gaming consoles that require secure application authentication and data protection.
- Telecommunications: Used in mobile devices and telecommunication equipment to protect sensitive information and ensure secure communications.
- Access Control Systems: Implemented in security systems for physical access control, enhancing security through encrypted data storage.
- Financial Transactions: Employed in point-of-sale (POS) terminals and payment processing systems to ensure secure transaction data handling.
Advantages
- Enhanced Security: With AES-128 encryption and secure key management features, the device provides robust protection against unauthorized data access and tampering.
- High Reliability: The EEPROM offers up to 100,000 write/erase cycles and data retention for up to 100 years, ensuring long-term data integrity and reliability in critical applications.
- Low Power Consumption: The device operates with a low current draw (1 mA during operation and 1 µA in standby), making it ideal for battery-powered and energy-sensitive applications.
- Flexible Communication: The support for I²C interface allows easy integration into various systems and efficient data transfer rates of up to 1 Mbps.
- Compact Size: The 8-pin SOIC-8 packaging provides a space-saving solution for designs with limited board space, making it suitable for compact electronic devices.
- Built-in Error Detection: Features such as error detection and correction enhance the reliability of data storage and transmission, reducing the likelihood of data corruption.
- Write Protection: Hardware-based write protection safeguards against accidental data modifications, adding an additional layer of security.
- Self-Test Capability: The built-in self-test functionality enables users to verify the health and operation of the device, ensuring consistent performance.
- Wide Temperature Range: Operating effectively from -40°C to +85°C, the device is suitable for a variety of harsh environments and applications.
- Versatile Applications: The combination of security features, reliability, and low power consumption makes it ideal for diverse applications, including IoT, automotive, and industrial sectors.
- Scalability: The device can be easily integrated into a wide range of applications, allowing for scalability in design without compromising on security or performance.
- Configurable I²C Addressing: The ability to configure the I²C address (ranging from 0x00 to 0x7F) allows for flexibility in multi-device environments, simplifying system design.
- Robust Fault Detection: Enhanced fault detection capabilities help identify issues early, reducing downtime and maintenance costs in critical systems.
- Compliance with Standards: The device meets various industry standards and certifications, such as ISO/IEC 27001 and Common Criteria, ensuring it is suitable for compliance-sensitive applications.
- Easy Integration: The straightforward I²C interface simplifies the integration process, allowing developers to implement the device with minimal effort and time.
- Durability: Designed to withstand harsh environmental conditions, the device’s robust construction ensures functionality in demanding applications, such as automotive and industrial settings.
- Cost-Effectiveness: By combining multiple security features and reliable performance in a single package, the ATAES132A-SHER-T offers a cost-effective solution for secure memory needs.
- User-Friendly Design: With features like self-test and built-in error correction, the device enhances user experience by simplifying troubleshooting and maintenance.
- Future-Proofing: The advanced security features, including encryption and secure boot, help future-proof applications against evolving cybersecurity threats.
- Support for Firmware Updates: The device can facilitate secure firmware updates in applications, ensuring that systems remain current and protected against vulnerabilities.
Specifications
| Feature | Specification |
|---|---|
| Manufacturer | Microchip Technology Inc. |
| Part Number | ATAES132A-SHER-T |
| Product Category | Secure Memory |
| Product Type | EEPROM |
| Series | ATAES132 |
| Memory Capacity | 2 Kbit |
| Security Features | AES-128 encryption, secure boot, key management, anti-tamper |
| Power Consumption | 1 mA (active), 1 µA (standby) |
| Operating Temperature | -40°C to +85°C |
| Interface | I²C (up to 1 MHz) |
| Write Cycles | 100,000 cycles |
| Data Retention | Up to 100 years |
| Applications | IoT devices, automotive applications, secure storage, identity management |
| Packaging | 8-pin SOIC-8 |
| Dimensions | 4.9 mm x 3.9 mm x 1.5 mm |
| Supply Voltage | 1.8V to 5.5V |
| Operating Frequency | Up to 1 MHz |
| Endurance | Data can be rewritten 100,000 times |
| Certifications | ISO/IEC 27001, Common Criteria, RoHS compliant |
| Key Management | Supports multiple keys with secure storage |
| Anti-Tamper Features | Integrated mechanisms to detect tampering |
| Programming Method | I²C interface for programming and reading |
Comparison with Similar Components
| Feature | ATAES132A-SHER-T | Microchip 24AAxx Series | STMicroelectronics M24SR Series | NXP NTAG Series | Atmel AT88SC Series |
|---|---|---|---|---|---|
| Memory Capacity | 2 Kbit | 1 Kbit to 1 Mbit | Up to 512 Kbit | Up to 144 Kbit | 1 Kbit to 4 Kbit |
| Security Features | AES-128 encryption, secure boot | Basic data storage | AES encryption | Basic security | Strong encryption, key storage |
| Power Consumption | 1 mA (active), 1 µA (standby) | Low power, no advanced modes | Slightly higher than ATAES132A | Low power | Similar low power characteristics |
| Operating Temp. | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -25°C to +70°C | -40°C to +85°C |
| Interface | I²C | I²C | I²C | I²C/NFC | I²C |
| Write Cycles | 100,000 cycles | 1,000,000 cycles (varies) | Varies (typically high) | Not specified | 100,000 cycles |
| Data Retention | Up to 100 years | Up to 40 years | Up to 40 years | Up to 10 years | Up to 10 years |
| Applications | IoT, automotive, secure storage | General-purpose | NFC applications | NFC/RFID applications | Secure authentication |
| Packaging | 8-pin SOIC-8 | Various packages | Various packages | Various packages | Various packages |
Summary of Comparison
The comparison of the ATAES132A-SHER-T with similar secure EEPROM components highlights several key factors:
- Memory Capacity:
- The ATAES132A offers 2 Kbit, while competitors like the Microchip 24AAxx series can provide up to 1 Mbit, and the STMicroelectronics M24SR series offers up to 512 Kbit.
- Security Features:
- The ATAES132A stands out with AES-128 encryption and secure boot capabilities, making it suitable for sensitive applications. In contrast, the Microchip 24AAxx series has basic storage without advanced security, while the STMicroelectronics M24SR series includes AES encryption but lacks some of the ATAES132A’s features.
- Power Consumption:
- The ATAES132A is designed for low power consumption (1 mA active, 1 µA standby), making it ideal for energy-sensitive applications. Other components like the STMicroelectronics M24SR may consume slightly more power.
- Operating Temperature:
- All components, including the ATAES132A, operate effectively across a wide temperature range (-40°C to +85°C), suitable for harsh environments.
- Write Cycles and Data Retention:
- The ATAES132A offers 100,000 write cycles and up to 100 years of data retention, while competitors vary in these specifications, with some (like the Microchip 24AAxx) offering higher write cycle counts but lower data retention.
- Applications:
- The ATAES132A is versatile, suitable for IoT, automotive, and secure storage applications. Other components may be more specialized, such as the NXP NTAG series for NFC/RFID applications.
- Packaging:
- The ATAES132A comes in a compact 8-pin SOIC-8 package, comparable to other components that also offer various packaging options.
Conclusion
The ATAES132A-SHER-T is particularly advantageous for applications that prioritize security and reliability, while other components may excel in higher memory capacities or specific use cases. The choice of component should be based on the specific requirements of the application, balancing factors like security, capacity, and power consumption.
Frequently Asked Questions (FAQs)
- What is the primary function of the ATAES132A-SHER-T?
- The ATAES132A-SHER-T is a secure memory device designed to store sensitive data securely using AES-128 encryption.
- What type of interface does the ATAES132A-SHER-T use?
- It uses an I²C interface, allowing for easy integration with various microcontrollers and systems.
- Can the ATAES132A-SHER-T operate in harsh environments?
- Yes, it is designed to operate within a temperature range of -40°C to +85°C, making it suitable for various applications.
- How is data protected in the ATAES132A-SHER-T?
- The device employs AES-128 encryption for data protection and features secure boot and anti-tamper mechanisms.
- What is the maximum data retention period for the ATAES132A-SHER-T?
- The data retention period is up to 100 years, ensuring long-term storage of sensitive information.
- What applications are suitable for the ATAES132A-SHER-T?
- It is suitable for IoT devices, automotive applications, secure storage solutions, and identity management systems.
- What is the power consumption of the ATAES132A-SHER-T?
- The device consumes approximately 1 mA in active mode and 1 µA in standby mode.
- How many write cycles can the ATAES132A-SHER-T endure?
- The device supports up to 100,000 write cycles, making it durable for frequent data updates.
- What is the primary function of the ATAES132A-SHER-T?
- The ATAES132A-SHER-T is a secure memory device designed to store sensitive data securely using AES-128 encryption.
- What type of interface does the ATAES132A-SHER-T use?
- It uses an I²C interface, allowing for easy integration with various microcontrollers and systems.
- Can the ATAES132A-SHER-T operate in harsh environments?
- Yes, it is designed to operate within a temperature range of -40°C to +85°C, making it suitable for various applications.
- How is data protected in the ATAES132A-SHER-T?
- The device employs AES-128 encryption for data protection and features secure boot and anti-tamper mechanisms.
- What is the maximum data retention period for the ATAES132A-SHER-T?
- The data retention period is up to 100 years, ensuring long-term storage of sensitive information.
- What applications are suitable for the ATAES132A-SHER-T?
- It is suitable for IoT devices, automotive applications, secure storage solutions, and identity management systems.
- What is the power consumption of the ATAES132A-SHER-T?
- The device consumes approximately 1 mA in active mode and 1 µA in standby mode.
- How many write cycles can the ATAES132A-SHER-T endure?
- The device supports up to 100,000 write cycles, making it durable for frequent data updates.
- What is the supply voltage range for the ATAES132A-SHER-T?
- The device operates within a supply voltage range of 1.8V to 5.5V.
- Is the ATAES132A-SHER-T RoHS compliant?
- Yes, the ATAES132A-SHER-T is RoHS compliant, ensuring it meets environmental standards.
- What security features does the ATAES132A-SHER-T offer?
- It offers AES-128 encryption, secure boot, key management, and anti-tamper features to protect sensitive data.
- How can I program the ATAES132A-SHER-T?
- The device can be programmed using the I²C interface, which allows for writing and reading data securely.
- What kind of key management does the ATAES132A-SHER-T support?
- It supports multiple keys, enabling secure storage and management of cryptographic keys.
- What are the dimensions of the ATAES132A-SHER-T?
- The device has dimensions of 4.9 mm x 3.9 mm x 1.5 mm, making it compact for various applications.
- What kind of tamper detection mechanisms are integrated?
- The ATAES132A-SHER-T includes mechanisms to detect physical tampering attempts, enhancing its security.
- Can the ATAES132A-SHER-T be used in automotive applications?
- Yes, it is designed to meet the rigorous demands of automotive applications, ensuring reliable performance.
- Is there any software support for the ATAES132A-SHER-T?
- Microchip Technology provides software libraries and tools for easy integration and management of the ATAES132A-SHER-T.
Datasheet
ATAES132A-SHER-T Microchip Technology datasheet
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