64KBit CryptoRF EEPROM modules for RFID and secure data storage
Manufacturer： ['microchip', 'atmel']
# AT88SC6416CRF Product Series Introduction
## 1. Overview
The AT88SC6416CRF is a remarkable product series developed by Atmel (now part of Microchip Technology), designed to meet the demanding security and data storage requirements in a wide range of applications. This series combines advanced cryptographic capabilities with reliable data storage, making it an ideal choice for systems that require secure authentication, data protection, and tamper - resistant operations.
## 2. Key Features
### 2.1 Memory Configuration
- **EEPROM Capacity**: The AT88SC6416CRF features a 64 - kilobit Electrically Erasable Programmable Read - Only Memory (EEPROM). This ample storage space can be used to store various types of data, such as encryption keys, user - specific information, and configuration settings.
- **Memory Organization**: The EEPROM is organized into multiple pages, which allows for efficient data management. Each page can be individually accessed and programmed, enabling flexible data storage and retrieval operations.
### 2.2 Cryptographic Functions
- **Advanced Encryption Standard (AES)**: It incorporates AES - 128 encryption algorithm, which is widely recognized as a highly secure encryption standard. AES provides strong protection for data in transit and at rest, ensuring that sensitive information remains confidential.
- **Key Management**: The device has built - in key management capabilities. It can securely store encryption keys, and perform key generation, derivation, and storage operations. This helps in maintaining the integrity and confidentiality of the keys, which are crucial for the security of the entire system.
- **Hash Functions**: Support for hash functions, such as SHA - 256, is also available. Hash functions are used to generate a fixed - size hash value from input data, which can be used for data integrity verification and digital signatures.
### 2.3 Security Features
- **Tamper Detection**: The AT88SC6416CRF is equipped with tamper - detection mechanisms. These mechanisms can detect physical attacks, such as attempts to access the device's internal memory or disrupt its normal operation. In case of a tamper event, the device can take predefined actions, such as erasing sensitive data or disabling certain functions.
- **Secure Boot**: It supports secure boot functionality, which ensures that only trusted software is loaded during the system startup process. This helps in preventing malicious software from being executed and protects the system from boot - time attacks.
### 2.4 Communication Interfaces
- **I²C Interface**: The device uses the I²C (Inter - Integrated Circuit) communication protocol, which is a widely used serial communication interface. The I²C interface allows for easy integration with other components in the system, such as microcontrollers and sensors. It provides a simple and efficient way to transfer data between the AT88SC6416CRF and other devices.
## 3. Applications
### 3.1 Smart Cards
- In smart card applications, the AT88SC6416CRF can be used to store user authentication information, such as PIN numbers and encryption keys. The cryptographic capabilities of the device ensure that the data stored on the smart card is secure, protecting it from unauthorized access and fraud.
- It can also be used for secure transactions, such as contactless payments. The tamper - detection features make the smart card resistant to physical attacks, providing an additional layer of security for the users.
### 3.2 IoT Devices
- IoT devices often require secure communication and data storage. The AT88SC6416CRF can be used to authenticate IoT devices with the cloud or other devices in the network. The encryption and key management functions help in protecting the data transmitted between the IoT devices and the server,