AT24C02D-STUM-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Electrically Erasable Programmable Read-Only Memory (EEPROM)
• Characteristics:
  • Low-power CMOS technology
  • 2-wire serial interface
  • 2K bits of EEPROM memory
  • 8-byte page write mode
  • Self-timed write cycle
  • 1 million erase/write cycles
  • Data retention: 100 years
• Package: 8-lead, ultra-thin small outline package (STUM)
• Essence: AT24C02D-STUM-T is a small-sized EEPROM IC that provides non-volatile memory storage for various electronic devices.
• Packaging/Quantity: The AT24C02D-STUM-T is typically sold in reels with a quantity of 3000 units per reel.

Specifications

• Memory Size: 2K bits (256 bytes)
• Interface: I2C (2-wire serial)
• Supply Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Cycle Time: 5ms (maximum)
• Data Retention: 100 years

Detailed Pin Configuration

The AT24C02D-STUM-T has the following 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: Supply Voltage

Functional Features

• High reliability and endurance due to low-power CMOS technology
• Easy interfacing with microcontrollers through the I2C serial interface
• Self-timed write cycle eliminates the need for external timing components
• Page write mode allows for efficient programming of multiple bytes in a single operation
• Wide operating voltage range enables compatibility with various systems

Advantages and Disadvantages

Advantages: - Small package size makes it suitable for space-constrained applications - Low power consumption extends battery life in portable devices - High endurance ensures long-term data retention and reliability - Easy integration with microcontrollers simplifies system design

Disadvantages: - Limited memory capacity may not be sufficient for certain applications requiring larger storage - Slower write cycle compared to some other EEPROMs on the market

Working Principles

The AT24C02D-STUM-T operates based on the principles of electrically erasable programmable read-only memory (EEPROM). It utilizes a floating gate transistor structure to store and retrieve digital information. The I2C interface allows for easy communication between the IC and the controlling microcontroller.

Detailed Application Field Plans

The AT24C02D-STUM-T is commonly used in various electronic devices that require non-volatile memory storage, such as:

1. Consumer Electronics: Used in smart TVs, set-top boxes, and audio/video equipment for storing configuration settings and user preferences.
2. Automotive Systems: Employed in automotive electronics for storing critical data like mileage, calibration values, and vehicle settings.
3. Industrial Control: Utilized in industrial automation systems for storing parameters, calibration data, and event logs.
4. Medical Devices: Integrated into medical equipment for storing patient data, device configurations, and firmware updates.

Detailed and Complete Alternative Models

1. AT24C01D-STUM-T: 1K-bit EEPROM IC with similar characteristics and package.
2. AT24C04D-STUM-T: 4K-bit EEPROM IC with similar characteristics and package.
3. AT24C08D-STUM-T: 8K-bit EEPROM IC with similar characteristics and package.
4. AT24C16D-STUM-T: 16K-bit EEPROM IC with similar characteristics and package.

These alternative models provide different memory capacities to suit various application requirements while maintaining compatibility with the AT24C02D-STUM-T in terms of package and functionality.

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