AT24C128BW-SH-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Electrically Erasable Programmable Read-Only Memory (EEPROM)
• Characteristics: High-density storage, low power consumption, I2C interface
• Package: 8-lead SOIC (Small Outline Integrated Circuit)
• Essence: Data storage and retrieval in electronic devices
• Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

• Memory Size: 128 kilobits (16 kilobytes)
• Operating Voltage: 1.7V to 5.5V
• Interface: I2C (Inter-Integrated Circuit)
• Write Cycle Time: 5 milliseconds (typical)
• Data Retention: 100 years (minimum)
• Endurance: 1 million write cycles (minimum)

Detailed Pin Configuration

The AT24C128BW-SH-T has a total of 8 pins:

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

Functional Features

• High-density storage allows for large amounts of data to be stored in a compact IC.
• Low power consumption ensures efficient operation and longer battery life in portable devices.
• I2C interface enables easy communication with other devices in the system.
• Write protect feature prevents accidental modification of stored data.
• Wide operating voltage range provides flexibility in various applications.

Advantages and Disadvantages

Advantages

• High storage capacity for its size
• Low power consumption
• Easy integration with other devices through I2C interface
• Long data retention period
• Durable with high endurance

Disadvantages

• Limited write cycle endurance compared to some other memory technologies
• Relatively small package size may require additional space for external components

Working Principles

The AT24C128BW-SH-T is based on EEPROM technology, which allows for non-volatile storage of data. It utilizes an I2C interface for communication with the host device. The memory cells in the IC can be electrically programmed and erased, allowing data to be written and modified as needed. The stored data remains intact even when power is removed from the device.

Detailed Application Field Plans

The AT24C128BW-SH-T is widely used in various electronic devices that require non-volatile data storage. Some common application areas include:

1. Consumer Electronics: Used in smart TVs, set-top boxes, and audio/video equipment for storing configuration settings and user preferences.
2. Automotive: Employed in car infotainment systems, instrument clusters, and navigation systems for storing critical data such as calibration values and user profiles.
3. Industrial Automation: Utilized in programmable logic controllers (PLCs), sensors, and control systems for storing program code, calibration data, and system parameters.
4. Medical Devices: Integrated into medical equipment like patient monitors, infusion pumps, and diagnostic devices for storing patient data, firmware updates, and device configurations.

Detailed and Complete Alternative Models

1. AT24C01A: 1 kilobit (128 bytes) EEPROM with I2C interface.
2. AT24C256C: 256 kilobit (32 kilobytes) EEPROM with I2C interface.
3. AT24CM02: 2 megabit (256 kilobytes) EEPROM with I2C interface.
4. AT25010A: 1 kilobit (128 bytes) EEPROM with SPI interface.
5. AT25256B: 256 kilobit (32 kilobytes) EEPROM with SPI interface.

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

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