AT24C128-10PU-2.7

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Electrically Erasable Programmable Read-Only Memory (EEPROM)
• Characteristics: High-density, low-power, serially programmable memory
• Package: 8-pin DIP (Dual In-line Package)
• Essence: Stores and retrieves digital information even when power is turned off
• Packaging/Quantity: Available in tubes or reels, quantity depends on customer requirements

Specifications

• Capacity: 128 kilobits (16 kilobytes)
• Operating Voltage: 2.7 to 5.5 volts
• Speed: 400 kHz (I2C-compatible)
• Endurance: 1 million write cycles
• Data Retention: 100 years
• Write Protect Pin: Allows hardware protection of stored data
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. A0: Chip Address Input
2. A1: Chip Address Input
3. A2: Chip Address Input
4. GND: Ground
5. SDA: Serial Data Input/Output
6. SCL: Serial Clock Input
7. WP: Write Protect Input
8. VCC: Power Supply

Functional Features

• I2C-Compatible Interface: Supports two-wire serial communication protocol for easy integration with microcontrollers and other devices.
• Byte and Page Write Modes: Allows individual byte or multiple bytes to be written at once, enhancing programming efficiency.
• Sequential Read Operation: Enables efficient retrieval of consecutive memory locations without the need for repeated addressing.
• Software Write Protection: Provides software-controlled write protection to prevent accidental modification of stored data.
• Built-in Error Detection: Implements a built-in error detection mechanism to ensure data integrity during read and write operations.

Advantages

• High Density: Offers a large storage capacity in a compact package, suitable for applications requiring significant data storage.
• Low Power Consumption: Operates at low power levels, making it ideal for battery-powered devices and energy-efficient systems.
• Reliable Data Retention: Ensures long-term data integrity with a retention period of up to 100 years.
• Easy Integration: Compatible with standard I2C interfaces, simplifying the integration process with various microcontrollers and systems.

Disadvantages

• Limited Write Endurance: Although the AT24C128-10PU-2.7 provides a high endurance of 1 million write cycles, excessive writes may eventually degrade its performance.
• Slower Write Speed: The serial nature of EEPROM programming results in slower write speeds compared to other memory technologies.

Working Principles

The AT24C128-10PU-2.7 utilizes an electrically erasable programmable read-only memory (EEPROM) technology. It stores digital information by trapping charges within a floating gate transistor structure. These charges represent binary data that can be read or modified through electrical signals. The I2C-compatible interface facilitates communication between the IC and external devices, allowing for easy reading and writing of data.

Detailed Application Field Plans

The AT24C128-10PU-2.7 is widely used in various electronic systems and applications, including: 1. Consumer Electronics: Used for storing configuration settings, user preferences, and firmware updates in devices such as TVs, set-top boxes, and audio players. 2. Industrial Automation: Employed in control systems, sensors, and data loggers to store critical parameters, calibration data, and event logs. 3. Automotive Electronics: Utilized in automotive modules, such as infotainment systems, instrument clusters, and body control units, for data storage and firmware updates. 4. Medical Devices: Integrated into medical equipment for storing patient data, device settings, and firmware updates. 5. Internet of Things (IoT): Incorporated in IoT devices for data logging, sensor calibration, and firmware storage.

Detailed and Complete Alternative Models

1. AT24C01A: 1 kilobit (128 bytes) capacity, compatible with I2C interface.
2. AT24C256C: 256 kilobits (32 kilobytes) capacity, offers faster write speeds and higher endurance compared to AT24C128-10PU-2.7.
3. AT24CM02: 2 megabits (256 kilobytes) capacity, provides larger storage space for more extensive data requirements.
4. AT25080B: 8 kilobits (1 kilobyte) capacity, suitable for applications with lower memory requirements.

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