AT88SC018-SU-CN

Product Overview

• Category: Integrated Circuit (IC)
• Use: Secure Memory Chip
• Characteristics:
  • High-security features
  • Non-volatile memory
  • Contact interface
• Package: Surface Mount Technology (SMT)
• Essence: Secure storage of sensitive data
• Packaging/Quantity: Tray packaging, quantity varies

Specifications

• Memory Size: 18 kilobits (Kb)
• Operating Voltage: 2.7V to 5.5V
• Operating Temperature: -40°C to +85°C
• Communication Interface: Serial Peripheral Interface (SPI)
• Data Retention: Minimum 10 years
• Endurance: Minimum 100,000 write cycles

Pin Configuration

The AT88SC018-SU-CN has a total of 8 pins:

1. VCC: Power supply voltage
2. GND: Ground reference
3. SDA: Serial Data Input/Output
4. SCL: Serial Clock Input
5. WP: Write Protect
6. RST: Reset
7. NC: No Connection
8. NC: No Connection

Functional Features

• Secure Memory Storage: Provides secure storage for sensitive data such as encryption keys, authentication codes, and personal identification information.
• Access Control: Implements various security mechanisms like password protection and access control lists to ensure authorized access only.
• Tamper Detection: Incorporates tamper detection features to prevent unauthorized physical access or tampering with the chip.
• Encryption Support: Supports hardware-based encryption algorithms for enhanced data security.

Advantages

• High Security: The AT88SC018-SU-CN offers robust security features to protect sensitive data from unauthorized access.
• Compact Design: Its small form factor and surface mount package make it suitable for space-constrained applications.
• Low Power Consumption: Consumes minimal power, making it suitable for battery-powered devices.
• Easy Integration: Compatible with standard serial communication protocols and can be easily integrated into existing systems.

Disadvantages

• Limited Memory Size: The 18 Kb memory size may not be sufficient for applications requiring large data storage.
• Contact Interface: Requires physical contact for data transfer, which may limit its use in certain applications that require contactless communication.

Working Principles

The AT88SC018-SU-CN utilizes non-volatile memory technology to store and retrieve data. It communicates with the host system through the Serial Peripheral Interface (SPI) protocol. The chip incorporates security features such as encryption and access control mechanisms to ensure the confidentiality and integrity of stored data.

Application Field Plans

The AT88SC018-SU-CN finds applications in various fields, including:

1. Smart Cards: Used in secure identification cards, access control cards, and payment cards.
2. Authentication Systems: Integrated into authentication tokens and devices for secure user authentication.
3. IoT Devices: Embedded in Internet of Things (IoT) devices to provide secure storage for device credentials and encryption keys.
4. Medical Devices: Utilized in medical devices to store sensitive patient information securely.

Alternative Models

1. AT88SC25616C-SU-CN: Offers higher memory capacity of 256 kilobits (Kb).
2. AT88SC0104CA-SU-CN: Provides a lower memory capacity of 1 kilobit (Kb) but at a lower cost.
3. AT88SC0404CA-SU-CN: Offers a larger memory capacity of 4 kilobits (Kb) for applications requiring more storage.

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