AT88SA102S-SH-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Security and Authentication
• Characteristics: High-security, tamper-resistant, low-power consumption
• Package: SOP-8 (Small Outline Package)
• Essence: Secure Cryptographic IC
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Operating Voltage: 2.7V to 5.5V
• Operating Temperature: -40°C to +85°C
• Memory Size: 1Kbit EEPROM
• Security Features: Hardware-based cryptographic functions, secure key storage, tamper detection
• Communication Interface: I2C (Inter-Integrated Circuit)

Pin Configuration

The AT88SA102S-SH-T has a total of 8 pins arranged as follows:

┌───┬───┐ │ 1 │ 2 │ ├───┼───┤ │ 3 │ 4 │ ├───┼───┤ │ 5 │ 6 │ ├───┼───┤ │ 7 │ 8 │ └───┴───┘

1. VCC: Power supply voltage
2. SDA: Serial Data Line for I2C communication
3. SCL: Serial Clock Line for I2C communication
4. GND: Ground
5. NC: Not Connected
6. WP: Write Protect (optional)
7. RST: Reset (active-low)
8. NC: Not Connected

Functional Features

• Secure Key Storage: The AT88SA102S-SH-T provides a secure area for storing cryptographic keys, ensuring their confidentiality and integrity.
• Hardware Cryptographic Functions: It offers various cryptographic functions such as encryption, decryption, hashing, and random number generation, all performed in hardware for enhanced security.
• Tamper Detection: The IC includes tamper detection mechanisms that trigger an alert if any physical tampering is detected, protecting against unauthorized access.
• Low Power Consumption: Designed with power efficiency in mind, the AT88SA102S-SH-T minimizes energy consumption, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages: - High level of security - Hardware-based cryptographic functions provide faster processing - Tamper detection enhances protection against physical attacks - Low power consumption extends battery life

Disadvantages: - Limited memory size (1Kbit) - Requires additional components for complete system implementation - Relatively higher cost compared to non-security ICs

Working Principles

The AT88SA102S-SH-T utilizes a combination of hardware-based cryptographic functions and secure key storage to ensure data security. It employs advanced algorithms for encryption, decryption, hashing, and random number generation, all performed within the IC's dedicated hardware. The secure key storage area protects cryptographic keys from unauthorized access or tampering. Additionally, the IC incorporates tamper detection mechanisms that monitor physical integrity and trigger an alert if tampering is detected.

Application Field Plans

The AT88SA102S-SH-T finds applications in various fields where data security and authentication are crucial. Some potential application areas include:

1. Smart Cards: Used in secure payment systems, access control, and identification cards.
2. IoT Devices: Ensures secure communication and authentication in connected devices.
3. Medical Devices: Protects sensitive patient data and ensures device authenticity.
4. Automotive: Secures vehicle communication networks and prevents unauthorized access.
5. Industrial Control Systems: Provides secure authentication and protection against tampering in critical infrastructure.

Alternative Models

1. ATSHA204A: Similar secure cryptographic IC with a larger memory size (4Kbit).
2. ATECC508A: Offers advanced security features, including Elliptic Curve Cryptography (ECC) support.
3. MAXQ1061: Microcontroller with integrated cryptographic functions suitable for more complex applications.

These alternative models provide varying levels of security and additional features depending on the specific requirements of the application.

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