SLE 4428 M2.2

Product Overview

Category

SLE 4428 M2.2 belongs to the category of smart card chips.

Use

This product is primarily used for secure data storage and authentication purposes.

Characteristics

• Secure memory chip with a capacity of 1K bytes
• Contact-based interface
• ISO 7816 compliant
• Supports various security features such as password protection and write protection

Package

The SLE 4428 M2.2 chip is typically packaged in a standard smart card format, which is a credit card-sized plastic card.

Essence

The essence of SLE 4428 M2.2 lies in its ability to securely store and retrieve sensitive information while ensuring data integrity.

Packaging/Quantity

The chip is commonly available in reels or trays, with quantities varying depending on customer requirements.

Specifications

• Memory Capacity: 1K bytes
• Interface: Contact-based (ISO 7816)
• Operating Voltage: 5V
• Data Retention: Minimum 10 years
• Write Cycles: Minimum 100,000 cycles

Detailed Pin Configuration

The SLE 4428 M2.2 chip has the following pin configuration:

1. VCC - Power supply voltage
2. RST - Reset signal
3. CLK - Clock signal
4. GND - Ground
5. I/O - Bi-directional data input/output

Functional Features

• Secure data storage and retrieval
• Password protection for enhanced security
• Write protection to prevent unauthorized modification
• Error detection and correction mechanisms
• Support for cryptographic algorithms

Advantages and Disadvantages

Advantages

• High-security level for data protection
• Reliable and durable design
• Compatible with ISO standards
• Wide range of applications

Disadvantages

• Limited memory capacity compared to some other smart card chips
• Contact-based interface may require physical contact for data transfer

Working Principles

The SLE 4428 M2.2 chip operates based on the ISO 7816 standard, which defines the electrical and communication protocols for smart cards. It uses a contact-based interface to establish communication with external devices. The chip's memory is organized into blocks, allowing secure storage and retrieval of data.

Detailed Application Field Plans

The SLE 4428 M2.2 chip finds applications in various fields, including:

1. Access control systems
2. Identification cards
3. Loyalty programs
4. Payment cards
5. Health insurance cards
6. Public transportation cards

Detailed and Complete Alternative Models

Some alternative models to the SLE 4428 M2.2 chip include:

1. SLE 5542 - Similar features but with a larger memory capacity
2. AT24C01 - EEPROM-based chip with contactless interface
3. MIFARE Classic 1K - Contactless smart card chip with cryptographic capabilities

These alternative models offer different specifications and features, catering to diverse application requirements.

In conclusion, the SLE 4428 M2.2 chip is a secure memory chip used for data storage and authentication purposes. With its reliable design, compatibility with ISO standards, and various security features, it finds applications in access control systems, identification cards, loyalty programs, and more. While it has limitations in terms of memory capacity and contact-based interface, alternative models provide options with different capabilities.