AT24C02B-TH-T

Product Overview

Category

AT24C02B-TH-T belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This product is primarily used for non-volatile data storage in various electronic devices such as microcontrollers, computers, and consumer electronics.

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• Electrically erasable: Data can be erased and reprogrammed electronically.
• High storage capacity: The AT24C02B-TH-T has a storage capacity of 2 kilobits (256 bytes).
• Low power consumption: It operates on low power supply voltages, making it suitable for battery-powered devices.
• Wide operating temperature range: This chip can function reliably in temperatures ranging from -40°C to +85°C.

Package

The AT24C02B-TH-T is available in an 8-pin Thin Small Outline Package (TSOP).

Essence

The essence of this product lies in its ability to provide reliable and non-volatile data storage in a compact and energy-efficient package.

Packaging/Quantity

The AT24C02B-TH-T is typically packaged in reels containing a quantity of 2500 units.

Specifications

• Memory Capacity: 2 kilobits (256 bytes)
• Supply Voltage: 1.7V to 5.5V
• Maximum Clock Frequency: 400 kHz
• Write Cycle Time: 5 ms (maximum)
• Data Retention: 100 years (minimum)

Detailed Pin Configuration

The AT24C02B-TH-T features the following pin configuration:

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: Supply Voltage

Functional Features

• Random Access: Allows reading and writing of data at any memory location.
• Byte-Level Read and Write: Enables individual byte-level access for efficient data manipulation.
• Page Write: Supports writing multiple bytes in a single operation, enhancing write efficiency.
• Software Write Protection: Provides the ability to protect specific memory areas from being overwritten.
• Sequential Read: Facilitates sequential reading of data without requiring repeated address input.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data integrity even during power loss.
• Low power consumption extends battery life in portable devices.
• Wide operating temperature range allows usage in various environments.
• Compact package size enables integration into space-constrained designs.
• High data retention period ensures long-term reliability.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower write cycle time may impact performance in certain applications.

Working Principles

The AT24C02B-TH-T utilizes an electrically erasable floating-gate transistor technology. It stores data by trapping charges in the floating gate, which can be erased or programmed using electrical signals. The memory cells are organized into pages, allowing efficient read and write operations.

Detailed Application Field Plans

The AT24C02B-TH-T finds application in various fields, including but not limited to:

1. Embedded Systems: Used for storing configuration data, firmware updates, and calibration parameters in microcontrollers.
2. Consumer Electronics: Employed in devices like smart TVs, set-top boxes, and digital cameras for storing user preferences and settings.
3. Automotive: Utilized for storing critical data such as mileage, vehicle identification numbers (VIN), and diagnostic information in automotive electronics.
4. Industrial Automation: Used for storing production data, sensor calibration values, and system configuration parameters in industrial control systems.

Detailed and Complete Alternative Models

1. AT24C01A-TH-T: 1 kilobit (128 bytes) capacity EEPROM chip.
2. AT24C04B-TH-T: 4 kilobits (512 bytes) capacity EEPROM chip.
3. AT24C08B-TH-T: 8 kilobits (1024 bytes) capacity EEPROM chip.
4. AT24C16B-TH-T: 16 kilobits (2048 bytes) capacity EEPROM chip.
5. AT24C32B-TH-T: 32 kilobits (4096 bytes) capacity EEPROM chip.
6. AT24C64B-TH-T: 64 kilobits (8192 bytes) capacity EEPROM chip.

These alternative models offer varying storage capacities to suit different application requirements.

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