24AA025E48T-I/OT

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile memory
• Characteristics: Low-power, high-reliability, small form factor
• Package: SOT23-5
• Essence: EEPROM (Electrically Erasable Programmable Read-Only Memory)
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Memory Size: 2 Kbits (256 bytes)
• Interface: I2C (Inter-Integrated Circuit)
• Supply Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 Million cycles
• Data Retention: 200 years

Detailed Pin Configuration

The 24AA025E48T-I/OT IC has a total of 5 pins arranged as follows:

```

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| | | 24AA | | | |___________|

1 2 3 4 5 / / | \ \ SDA VSS SCL WP VCC ```

1. SDA: Serial Data Input/Output pin for I2C communication.
2. VSS: Ground (0V) connection.
3. SCL: Serial Clock input pin for I2C communication.
4. WP: Write Protect pin for hardware protection against accidental writes.
5. VCC: Supply voltage input.

Functional Features

• Non-volatile memory: The 24AA025E48T-I/OT is an EEPROM that retains data even when power is removed.
• I2C interface: It uses the I2C protocol for communication, allowing easy integration with other devices.
• Low-power operation: The IC operates at low power, making it suitable for battery-powered applications.
• High reliability: With a write endurance of 1 million cycles and data retention of 200 years, it ensures long-term data integrity.
• Small form factor: The SOT23-5 package provides a compact size, ideal for space-constrained designs.

Advantages and Disadvantages

Advantages: - Non-volatile memory ensures data persistence. - I2C interface allows easy integration with other devices. - Low-power operation extends battery life. - High reliability ensures long-term data integrity. - Small form factor enables compact designs.

Disadvantages: - Limited memory size (2 Kbits) may not be sufficient for certain applications. - Requires external components for proper operation (e.g., pull-up resistors for I2C communication).

Working Principles

The 24AA025E48T-I/OT is based on EEPROM technology, which allows for electrically erasing and reprogramming the memory cells. It utilizes the I2C protocol to communicate with a microcontroller or other devices. The IC can be addressed using a unique 7-bit slave address, allowing multiple devices to be connected on the same bus.

To write data, the microcontroller sends a start condition followed by the device's slave address and a write bit. The desired memory location is then specified, and the data is transmitted. The IC acknowledges the successful write operation.

For reading data, the microcontroller initiates a read operation by sending the start condition, slave address, and read bit. The requested memory location's data is then transmitted by the IC, which is received by the microcontroller.

Detailed Application Field Plans

The 24AA025E48T-I/OT IC finds applications in various fields, including:

1. Consumer Electronics: Used for storing configuration settings, user preferences, and calibration data in devices like TVs, set-top boxes, and audio systems.
2. Industrial Automation: Enables data logging, parameter storage, and firmware updates in industrial control systems, sensors, and actuators.
3. Automotive: Stores critical information such as mileage, fault codes, and calibration data in automotive electronics, including engine control units (ECUs) and infotainment systems.
4. Medical Devices: Utilized for storing patient data, device settings, and firmware updates in medical equipment like patient monitors, infusion pumps, and diagnostic devices.

Detailed and Complete Alternative Models

1. 24AA025E48-I/OT: Similar to the 24AA025E48T-I/OT, but without the Write Protect (WP) pin.
2. 24LC02BT-I/OT: A compatible alternative with a larger memory size of 2 Kbytes (2048 bytes).
3. 24FC025T-I/OT: Another alternative with the same memory size and I2C interface, but operates at a wider voltage range of 2.7V to 5.5V.

These alternative models offer similar functionality and can be chosen based on specific requirements