24AA256-E/SN

Product Overview

Category: Integrated Circuit (IC)

Use: Non-volatile Electrically Erasable Programmable Read-Only Memory (EEPROM)

Characteristics: - High-density memory storage - Low power consumption - Serial communication interface - Reliable data retention - Small form factor

Package: SOIC (Small Outline Integrated Circuit)

Essence: The 24AA256-E/SN is a high-performance EEPROM IC that provides non-volatile memory storage for various electronic devices.

Packaging/Quantity: The 24AA256-E/SN is available in a standard SOIC package and is typically sold in reels of 2500 units.

Specifications

• Memory Size: 256 kilobits (32 kilobytes)
• Organization: 32,768 x 8 bits
• Supply Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 200 years
• Write Endurance: 1,000,000 cycles
• Interface: I2C (Inter-Integrated Circuit)

Detailed Pin Configuration

The 24AA256-E/SN has a total of 8 pins, which are as follows:

1. VCC: Power supply voltage input
2. SDA: Serial data input/output for I2C communication
3. SCL: Serial clock input for I2C communication
4. WP: Write Protect pin for hardware protection
5. A0: Address bit 0 for device addressing
6. A1: Address bit 1 for device addressing
7. A2: Address bit 2 for device addressing
8. GND: Ground reference

Functional Features

• Byte-level read and write operations
• Software write protection
• Sequential read operation
• Self-timed write cycle
• 32-byte page write buffer

Advantages and Disadvantages

Advantages: - High memory density allows for storing large amounts of data - Low power consumption makes it suitable for battery-powered devices - Reliable data retention ensures long-term storage of critical information - Small form factor enables integration into compact electronic systems - I2C interface simplifies communication with other devices

Disadvantages: - Limited write endurance may be a concern in applications requiring frequent writes - Lack of built-in security features for data protection

Working Principles

The 24AA256-E/SN operates based on the principles of electrically erasable programmable read-only memory (EEPROM). It utilizes a floating gate transistor structure to store and retrieve data. The device communicates with the host microcontroller through the I2C interface, enabling easy integration into various electronic systems.

Detailed Application Field Plans

The 24AA256-E/SN is widely used in applications that require non-volatile memory storage, such as: - Consumer electronics (e.g., smart TVs, set-top boxes) - Automotive systems (e.g., infotainment, instrument clusters) - Industrial control systems - Medical devices - Internet of Things (IoT) devices

Detailed and Complete Alternative Models

Some alternative models to the 24AA256-E/SN include: - 24LC256-I/P: Similar EEPROM IC with DIP package - AT24C256C-SSHL-T: EEPROM IC from Atmel with extended temperature range - CAT24C256WI-GT3: EEPROM IC with higher write endurance

These alternative models offer similar functionality and can be considered based on specific application requirements.

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