24AA256-I/WF16K

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Electrically Erasable Programmable Read-Only Memory (EEPROM)
• Characteristics:
  • High-density storage capacity
  • Low power consumption
  • Serial interface for easy integration
  • Reliable data retention
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Data storage and retrieval in electronic devices
• Packaging/Quantity: Available 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
• Write Endurance: 1,000,000 cycles
• Data Retention: 200 years
• Interface: I2C (Inter-Integrated Circuit)

Detailed Pin Configuration

1. VCC - Power supply voltage
2. SDA - Serial Data Line
3. SCL - Serial Clock Line
4. WP - Write Protect
5. VSS - Ground
6. NC - No Connection
7. NC - No Connection
8. NC - No Connection

Functional Features

• Byte-level read and write operations
• Software write protection
• Sequential read operation with auto-increment
• Hardware write protection using the WP pin
• Self-timed programming cycle
• Built-in write cycle time-out
• Start and stop conditions for communication

Advantages

• High storage capacity in a compact package
• Low power consumption extends battery life
• Easy integration into existing systems with the serial interface
• Reliable data retention ensures long-term usability
• Flexible write protection options for enhanced security

Disadvantages

• Limited storage capacity compared to other memory technologies
• Slower write and erase operations compared to volatile memory
• Vulnerable to electromagnetic interference (EMI) due to serial interface

Working Principles

The 24AA256-I/WF16K is based on EEPROM technology, which allows for non-volatile data storage. It utilizes an I2C interface to communicate with the host device. The memory cells store data in a grid-like structure, where each cell represents a bit of information. The stored data can be read or written using specific commands sent through the serial interface.

Detailed Application Field Plans

• Consumer Electronics: Used in smart TVs, set-top boxes, and audio systems for storing configuration settings and user preferences.
• Automotive: Employed in car infotainment systems, instrument clusters, and electronic control units (ECUs) for data logging and firmware storage.
• Industrial Automation: Integrated into programmable logic controllers (PLCs), sensors, and industrial control systems for parameter storage and process monitoring.
• Medical Devices: Utilized in medical equipment like patient monitors and diagnostic devices for storing patient data and device configurations.

Detailed and Complete Alternative Models

• 24LC256: Similar EEPROM IC with the same storage capacity but available in different package options.
• AT24C256: EEPROM IC from Atmel with similar specifications and functionality.
• CAT24C256: EEPROM IC from ON Semiconductor offering compatibility with I2C interface.

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