AT24C256-10UI-2.7

Overview

Product Category

AT24C256-10UI-2.7 belongs to the category of EEPROM (Electrically Erasable Programmable Read-Only Memory) chips.

Use

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

Characteristics

• Non-volatile: The stored data remains even when power is removed.
• Electrically erasable and programmable: Data can be modified electronically without requiring physical removal of the chip.
• High storage capacity: The AT24C256-10UI-2.7 has a storage capacity of 256 kilobits (32 kilobytes).
• Low power consumption: It operates at a low voltage and consumes minimal power during read and write operations.

Package

The AT24C256-10UI-2.7 comes in a standard 8-pin DIP (Dual Inline Package) or SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of the AT24C256-10UI-2.7 is its ability to store and retrieve digital information reliably and efficiently.

Packaging/Quantity

These chips are typically sold in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Operating Voltage: 2.7V - 5.5V
• Maximum Clock Frequency: 1 MHz
• Write Cycle Time: 10 ms (maximum)
• Data Retention: 100 years (minimum)
• Endurance: 1 million write cycles (minimum)

Pin Configuration

The AT24C256-10UI-2.7 has 8 pins arranged as follows:

```

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| | | 1 8 | | | | 2 7| | | | 3 6| | | | 4 5 | |___________| ```

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
8. VCC: Power Supply

Functional Features

• Random Access: Allows reading and writing of data at any memory location.
• Byte-Level Operations: Supports individual byte read and write operations.
• Page Write: Enables faster writing of multiple bytes within a page boundary.
• Software Write Protection: Provides write protection for the entire memory or selected portions.
• Sequential Read: Facilitates sequential reading of multiple bytes without requiring repeated address input.

Advantages

• High storage capacity allows for ample data storage in various applications.
• Electrically erasable and programmable nature enables easy modification of stored data.
• Low power consumption makes it suitable for battery-powered devices.
• Long data retention period ensures data integrity over extended periods.
• Wide operating voltage range provides flexibility in different electronic systems.

Disadvantages

• Limited maximum clock frequency may affect performance in certain applications.
• Relatively slower write cycle time compared to some other EEPROM chips.
• Limited endurance may be a concern in applications with frequent write operations.

Working Principles

The AT24C256-10UI-2.7 operates based on the principles of EEPROM technology. It utilizes a combination of floating gate transistors and electrically isolated gates to store and retrieve digital information. The stored data can be modified by applying specific electrical signals to the chip, allowing for non-volatile data storage and retrieval.

Application Field Plans

The AT24C256-10UI-2.7 finds applications in various fields, including:

1. Embedded Systems: Used for storing configuration data, firmware updates, and user settings in microcontrollers and IoT devices.
2. Consumer Electronics: Employed in devices like smart TVs, set-top boxes, and digital cameras for storing user preferences, channel lists, and image data.
3. Automotive: Utilized for storing critical data such as mileage, vehicle settings, and diagnostic information in automotive electronics.
4. Industrial Automation: Used for storing calibration data, production parameters, and system configurations in industrial control systems.
5. Medical Devices: Employed for storing patient data, device settings, and event logs in medical equipment.

Alternative Models

Several alternative models with similar functionality to the AT24C256-10UI-2.7 include:

1. AT24C01A
2. AT24C04
3. AT24C512
4. AT24C1024
5. AT24C2048

These models offer varying storage capacities and may have different package options, but they share the fundamental features and characteristics of EEPROM technology.

In conclusion