AT21CS01-MSHMHU-T

Product Overview

Category

AT21CS01-MSHMHU-T belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for non-volatile memory applications.

Characteristics

• Non-volatile memory: The AT21CS01-MSHMHU-T is designed to retain data even when power is removed.
• High storage capacity: This IC has a storage capacity of 1 kilobit (128 bytes).
• Low power consumption: It operates at low power, making it suitable for battery-powered devices.
• High reliability: The AT21CS01-MSHMHU-T offers robust data retention and endurance characteristics.
• Secure memory: It provides security features such as a unique serial number and password protection.

Package

The AT21CS01-MSHMHU-T is available in a compact SOT23-3 package.

Essence

The essence of this product lies in its ability to provide reliable and secure non-volatile memory storage in a small form factor.

Packaging/Quantity

The AT21CS01-MSHMHU-T is typically packaged in reels, with 3000 units per reel.

Specifications

• Memory Type: Non-volatile
• Capacity: 1 kilobit (128 bytes)
• Interface: Serial I2C
• Operating Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 100 years
• Endurance: 1 million write cycles

Detailed Pin Configuration

The AT21CS01-MSHMHU-T has three pins:

1. VCC: Power supply pin (+1.7V to +5.5V)
2. SDA: Serial data input/output pin
3. SCL: Serial clock input pin

Functional Features

• Unique Serial Number: Each AT21CS01-MSHMHU-T has a factory-programmed unique 64-bit serial number.
• Password Protection: The IC supports password protection to prevent unauthorized access to stored data.
• Write Protection: It offers write protection for specific memory areas, ensuring data integrity.
• Sequential Read Operation: The AT21CS01-MSHMHU-T allows sequential read operations, enhancing data retrieval efficiency.

Advantages and Disadvantages

Advantages

• Compact size and low power consumption make it suitable for portable devices.
• High reliability ensures data integrity over an extended period.
• Secure memory features provide protection against unauthorized access.

Disadvantages

• Limited storage capacity may not be sufficient for certain applications requiring larger memory sizes.
• Higher cost compared to some other non-volatile memory options.

Working Principles

The AT21CS01-MSHMHU-T utilizes the I2C interface to communicate with the host microcontroller. It stores data in non-volatile memory cells, which retain information even when power is removed. The IC can be accessed using the unique serial number or password, providing secure data storage.

Detailed Application Field Plans

The AT21CS01-MSHMHU-T finds applications in various fields, including:

1. IoT Devices: It can store device configuration data, encryption keys, and firmware updates securely.
2. Smart Cards: The IC can be used in smart cards for secure authentication and data storage.
3. Industrial Control Systems: It provides reliable and secure storage for critical system parameters and calibration data.
4. Medical Devices: The AT21CS01-MSHMHU-T can store patient-specific information securely in medical devices.

Detailed and Complete Alternative Models

1. AT24C01A: This IC offers similar functionality with a higher storage capacity of 1 kilobyte (1024 bytes).
2. AT25SF041: It provides a larger storage capacity of 4 megabits (512 kilobytes) and supports higher operating voltages.
3. AT93C46A: This alternative model offers a lower storage capacity of 128 bits (16 bytes) but is available at a lower cost.

In conclusion, the AT21CS01-MSHMHU-T is a compact and reliable non-volatile memory IC with secure features. Its small form factor and low power consumption make it suitable for various applications in IoT, smart cards, industrial control systems, and medical devices. While it has limitations in terms of storage capacity and cost, alternative models with different specifications are available to meet specific requirements.