AT97SC3205T-X3A1C20B

Product Overview

• Category: Integrated Circuit (IC)
• Use: Security and Authentication
• Characteristics: High-security cryptographic processor
• Package: 20-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Secure authentication and protection of sensitive data
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on customer requirements

Specifications

• Manufacturer: Atmel Corporation
• Operating Voltage: 2.7V to 5.5V
• Operating Temperature: -40°C to +85°C
• Memory: 32KB EEPROM
• Security Features: Hardware-based encryption, secure key storage, tamper detection
• Communication Interface: I2C (Inter-Integrated Circuit) bus
• Certifications: Common Criteria EAL4+ certified, FIPS 140-2 Level 3 compliant

Detailed Pin Configuration

The AT97SC3205T-X3A1C20B has a total of 20 pins. The pin configuration is as follows:

1. VCC: Power supply voltage
2. GND: Ground
3. SDA: Serial Data Line for I2C communication
4. SCL: Serial Clock Line for I2C communication
5. RESET: Reset input
6. IRQ: Interrupt request output
7. NC: No connection
8. NC: No connection
9. NC: No connection
10. NC: No connection
11. NC: No connection
12. NC: No connection
13. NC: No connection
14. NC: No connection
15. NC: No connection
16. NC: No connection
17. NC: No connection
18. NC: No connection
19. NC: No connection
20. NC: No connection

Functional Features

• Secure storage and management of cryptographic keys
• Hardware-based encryption and decryption operations
• Tamper detection and response mechanisms
• Secure boot process for system integrity verification
• Random number generation for secure authentication protocols
• Support for various cryptographic algorithms (AES, RSA, SHA)

Advantages and Disadvantages

Advantages

• High level of security with hardware-based encryption
• Tamper detection ensures protection against physical attacks
• Common Criteria EAL4+ certified for stringent security requirements
• FIPS 140-2 Level 3 compliant for government and industry standards

Disadvantages

• Limited memory capacity (32KB EEPROM)
• Relatively higher cost compared to non-security ICs
• Requires additional development effort for integration into systems

Working Principles

The AT97SC3205T-X3A1C20B is designed to provide secure authentication and protection of sensitive data. It utilizes hardware-based encryption algorithms to ensure the confidentiality and integrity of information. The IC securely stores cryptographic keys and performs encryption and decryption operations using these keys. It also incorporates tamper detection mechanisms to detect any physical attacks on the device.

During the boot process, the IC verifies the integrity of the system by checking the digital signatures of firmware or software components. This ensures that only trusted code is executed, preventing unauthorized access or tampering.

The IC communicates with the host system through the I2C bus, enabling seamless integration into various applications requiring secure authentication and protection.

Detailed Application Field Plans

The AT97SC3205T-X3A1C20B finds applications in a wide range of industries where secure authentication and protection of sensitive data are crucial. Some of the key application fields include:

1. Smart Cards: Used in contact and contactless smart cards for secure identification and payment systems.
2. Embedded Systems: Integrated into embedded systems for secure boot, firmware updates, and secure communication.
3. IoT Devices: Incorporated into IoT devices to ensure secure connectivity and data protection.
4. Industrial Control Systems: Utilized in industrial control systems to safeguard critical infrastructure and prevent unauthorized access.
5. Medical Devices: Integrated into medical devices to protect patient data and ensure secure communication between devices.

Detailed and Complete Alternative Models

1. AT97SC3204T-X3A1C20B: Similar to AT97SC3205T-X3A1C20B with 4KB EEPROM memory.
2. AT97SC3210T-X3A1C20B: Enhanced version with 10KB EEPROM memory and additional security features.
3. AT97SC3250T-X3A1C20B: Higher capacity variant with 50KB EEPROM memory and extended cryptographic capabilities.

These alternative models provide varying memory capacities and additional features to cater to different application requirements.

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