AT24HC02BN-SH-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Memory storage
• Characteristics:
  • Non-volatile memory
  • Low power consumption
  • High reliability
  • Small form factor
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: EEPROM (Electrically Erasable Programmable Read-Only Memory)
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Memory Size: 2 kilobits (256 bytes)
• Operating Voltage: 1.7V to 5.5V
• Interface: I2C (Inter-Integrated Circuit)
• Write Cycle Endurance: 1 million cycles
• Data Retention: 100 years
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The AT24HC02BN-SH-T has a total of 8 pins arranged as follows:

```

---

| | | U | |___________|

Pin Configuration:

   1  2  3
 ___________
|           |

8| |4 |___________|

   7  6  5

```

1. A0: Address Input
2. A1: Address Input
3. GND: Ground
4. SDA: Serial Data
5. SCL: Serial Clock
6. WP: Write Protect
7. VCC: Power Supply
8. NC: No Connection

Functional Features

• The AT24HC02BN-SH-T is an EEPROM IC that provides non-volatile memory storage.
• It operates on low power, making it suitable for battery-powered devices.
• The IC offers high reliability, ensuring data integrity even in harsh environments.
• Its small form factor allows for space-efficient integration into various electronic systems.

Advantages and Disadvantages

Advantages: - Non-volatile memory ensures data retention even without power supply. - Low power consumption extends battery life in portable devices. - High reliability guarantees data integrity in critical applications. - Small package size enables compact designs.

Disadvantages: - Limited memory capacity (2 kilobits) may not be sufficient for certain applications. - Slower write speeds compared to other memory technologies. - Higher cost per bit compared to larger memory devices.

Working Principles

The AT24HC02BN-SH-T utilizes EEPROM technology to store and retrieve digital information. It employs an I2C interface for communication with the host system. The IC can be addressed using the A0 and A1 pins, allowing multiple devices to be connected on the same bus. Data is written to and read from the memory cells using the SDA and SCL lines. The WP pin provides write protection functionality, preventing accidental modification of stored data.

Detailed Application Field Plans

The AT24HC02BN-SH-T finds application in various fields, including:

1. Consumer Electronics: Used in smart TVs, set-top boxes, and audio systems for storing configuration settings and user preferences.
2. Automotive: Employed in automotive electronics for storing calibration data, vehicle settings, and event logs.
3. Industrial Control Systems: Utilized in industrial automation equipment for storing parameter settings, production data, and firmware updates.
4. Medical Devices: Integrated into medical instruments for storing patient data, device configurations, and usage logs.
5. Smart Grids: Used in energy management systems for storing energy consumption data, tariff schedules, and load profiles.

Alternative Models

Here are some alternative models that offer similar functionality:

1. AT24C02: 2 kilobit EEPROM IC from Atmel.
2. CAT24C02: 2 kilobit EEPROM IC from ON Semiconductor.
3. M24C02: 2 kilobit EEPROM IC from STMicroelectronics.
4. 24AA02: 2 kilobit EEPROM IC from Microchip Technology.

These alternative models can be considered based on specific requirements and availability in the market.

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