AT88SC0204CA-MJTG

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Secure Memory Chip
• Characteristics:
  • High-security features
  • Non-volatile memory
  • Contact-based interface
• Package: MJTG (Miniature Thin J-Lead Grid Array)
• Essence: Secure storage of sensitive data
• Packaging/Quantity: Typically sold in reels or trays, quantity varies based on customer requirements

Specifications

• Memory Capacity: 2 kilobits (256 bytes)
• Operating Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Minimum 10 years
• Endurance: Minimum 100,000 write cycles

Detailed Pin Configuration

The AT88SC0204CA-MJTG has a total of 8 pins arranged as follows:

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

1. VCC: Power supply voltage
2. GND: Ground
3. RST: Reset pin for initializing the chip
4. CLK: Clock input for synchronous communication
5. I/O: Bidirectional data input/output pin
6. NC: No connection (reserved for future use)
7. NC: No connection (reserved for future use)
8. NC: No connection (reserved for future use)

Functional Features

• Secure Memory: Provides secure storage for sensitive data such as encryption keys, authentication codes, and digital certificates.
• Access Control: Implements various security features like password protection and access control lists to ensure authorized access only.
• Data Integrity: Utilizes error detection and correction mechanisms to maintain data integrity during read and write operations.
• Tamper Detection: Incorporates tamper detection circuits to detect physical attacks or unauthorized attempts to access the chip.

Advantages

• High Security: The AT88SC0204CA-MJTG offers robust security features, making it suitable for applications requiring secure data storage.
• Compact Size: The MJTG package allows for a compact footprint, making it suitable for space-constrained designs.
• Low Power Consumption: The chip operates at low power, making it suitable for battery-powered devices.
• Wide Operating Voltage Range: The chip can operate within a wide voltage range, providing flexibility in different applications.

Disadvantages

• Contact-Based Interface: The chip requires physical contact with a reader device, limiting its use in contactless applications.
• Limited Memory Capacity: With a capacity of 2 kilobits, the chip may not be suitable for applications requiring larger storage capabilities.

Working Principles

The AT88SC0204CA-MJTG utilizes non-volatile memory technology to store data securely. It employs encryption algorithms and access control mechanisms to protect sensitive information. The chip communicates with an external device through a contact-based interface, exchanging data using synchronous communication protocols.

Detailed Application Field Plans

The AT88SC0204CA-MJTG 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 devices that require secure user authentication, such as biometric systems and secure login tokens. 3. IoT Devices: Embedded in IoT devices to provide secure storage for encryption keys and device credentials. 4. Medical Devices: Utilized in medical devices to store patient data securely and ensure data integrity.

Detailed and Complete Alternative Models

1. AT88SC0204CA-SU: Similar specifications but comes in a different package (SOIC).
2. AT88SC0204CA-SSHD-T: Offers additional tamper detection features.
3. AT88SC0204CA-MJTH: Same specifications but with a different package (Miniature Thin J-Lead Chip Carrier).

(Note: The above alternative models are provided for reference and may have slight variations in features and packaging.)

This encyclopedia entry provides an overview of the AT88SC0204CA-MJTG secure memory chip, including its basic information, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.