24VL025/ST

Product Overview

• Category: Integrated Circuit
• Use: Non-volatile Memory
• Characteristics: Low-power, Serial EEPROM
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Data storage and retrieval
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Memory Size: 256 Kbits (32 Kbytes)
• Interface: I2C (Inter-Integrated Circuit)
• Operating Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 Million cycles
• Data Retention: 200 Years

Pin Configuration

The 24VL025/ST has a total of 8 pins arranged as follows:

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| | | 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. WP: Write Protect pin for hardware protection
5. VSS: Ground
6. NC: No Connection
7. NC: No Connection
8. NC: No Connection

Functional Features

• Non-volatile memory: Retains data even when power is disconnected
• Low-power consumption: Suitable for battery-powered devices
• I2C interface: Allows easy integration with microcontrollers
• Hardware write protection: Prevents accidental modification of stored data
• High endurance and long data retention: Reliable data storage solution

Advantages and Disadvantages

Advantages: - Non-volatile memory ensures data persistence - Low-power consumption extends battery life - I2C interface simplifies communication with microcontrollers - Hardware write protection enhances data security

Disadvantages: - Limited memory size compared to other storage options - Slower write and read speeds compared to volatile memory

Working Principles

The 24VL025/ST is based on Electrically Erasable Programmable Read-Only Memory (EEPROM) technology. It utilizes a floating gate transistor structure to store and retrieve data. The I2C interface allows for easy communication between the device and a microcontroller. Data can be written or read by sending appropriate commands and addresses through the SDA and SCL lines.

Detailed Application Field Plans

The 24VL025/ST is commonly used in various applications, including but not limited to:

1. Consumer Electronics: Used for storing configuration settings, user preferences, and firmware updates in devices such as TVs, set-top boxes, and audio systems.
2. Industrial Automation: Employed for data logging, parameter storage, and device identification in industrial control systems, sensors, and programmable logic controllers (PLCs).
3. Automotive: Utilized for storing critical data like mileage, vehicle settings, and error codes in automotive electronics, including engine control units (ECUs) and infotainment systems.
4. Medical Devices: Integrated into medical equipment for storing patient data, calibration values, and device-specific settings.
5. Internet of Things (IoT): Enables data storage and retrieval in IoT devices, facilitating remote monitoring, sensor data logging, and device configuration.

Detailed and Complete Alternative Models

1. 24LC256: Similar EEPROM IC with higher memory capacity (256 Kbits)
2. 24AA025E48: Smaller EEPROM IC with lower memory capacity (2 Kbits)
3. 25LC640A: SPI (Serial Peripheral Interface) compatible EEPROM IC with larger memory capacity (64 Kbits)
4. AT24C32: I2C EEPROM IC with the same memory capacity (32 Kbytes)

These alternative models offer different memory capacities, package options, and interface compatibility to suit various application requirements.

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