AT24C256N-10SU-1.8

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Data Storage

Characteristics: - Non-volatile memory - High storage capacity (256 kilobits) - Low power consumption - Serial interface - 1.8V operating voltage

Package: SOIC (Small Outline Integrated Circuit)

Essence: The AT24C256N-10SU-1.8 is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) IC that provides non-volatile data storage capabilities.

Packaging/Quantity: The AT24C256N-10SU-1.8 is typically sold in reels or tubes, with each reel/tube containing a specific quantity of ICs.

Specifications

• Operating Voltage: 1.8V
• Memory Capacity: 256 kilobits (32 kilobytes)
• Interface: I2C (Inter-Integrated Circuit)
• Maximum Clock Frequency: 400 kHz
• Write Cycle Time: 10 ms (maximum)
• Data Retention: 100 years (minimum)
• Endurance: 1 million write cycles (minimum)

Detailed Pin Configuration

The AT24C256N-10SU-1.8 has a total of 8 pins, which are as follows:

1. VCC: Power supply input (1.8V)
2. SDA: Serial data input/output pin
3. SCL: Serial clock input pin
4. WP: Write Protect pin (optional)
5. GND: Ground connection
6. A0: Address bit 0 (used for device addressing)
7. A1: Address bit 1 (used for device addressing)
8. A2: Address bit 2 (used for device addressing)

Functional Features

• Non-volatile storage: The AT24C256N-10SU-1.8 retains data even when power is disconnected.
• Serial interface: It uses the I2C protocol for communication, allowing easy integration with microcontrollers and other devices.
• Low power consumption: The IC operates at a low voltage of 1.8V and consumes minimal power during read/write operations.
• High storage capacity: With 256 kilobits of memory, it can store a significant amount of data.
• Write protection: The optional Write Protect pin (WP) allows users to protect the stored data from accidental modification.

Advantages and Disadvantages

Advantages: - Non-volatile memory ensures data retention even in the absence of power. - Low power consumption makes it suitable for battery-powered devices. - Serial interface simplifies integration with various systems. - High storage capacity provides ample space for data storage. - Write protection feature enhances data security.

Disadvantages: - Limited write endurance (1 million cycles) compared to some other memory technologies. - Relatively slower write cycle time (10 ms) may impact performance in certain applications.

Working Principles

The AT24C256N-10SU-1.8 utilizes EEPROM technology to store and retrieve data. It employs a floating-gate transistor structure that allows for non-volatile storage. The I2C interface facilitates communication between the IC and external devices, enabling data transfer and manipulation.

During write operations, the IC applies an electric field to the floating gate, altering its charge and storing the desired data. Reading involves sensing the charge state of the floating gate to determine the stored information. The low operating voltage and low power consumption make it suitable for a wide range of applications.

Detailed Application Field Plans

The AT24C256N-10SU-1.8 finds application in various fields, including but not limited to:

1. Consumer Electronics: Used for storing configuration data, user settings, and firmware updates in devices such as TVs, set-top boxes, and audio systems.
2. Industrial Automation: Employed for data logging, parameter storage, and device configuration in industrial control systems.
3. Automotive: Utilized for storing vehicle-specific information, calibration data, and event logs in automotive electronics.
4. Medical Devices: Used for storing patient data, device settings, and firmware updates in medical equipment.
5. Internet of Things (IoT): Integrated into IoT devices for data storage, sensor calibration, and firmware updates.

Detailed and Complete Alternative Models

1. AT24C01A: 1 kilobit (128 bytes) capacity, compatible with I2C interface.
2. AT24C04: 4 kilobits (512 bytes) capacity, compatible with I2C interface.
3. AT24C64: 64 kilobits (8 kilobytes) capacity, compatible with I2C interface.
4. AT24CM02: 2 megabits (256 kilobytes) capacity, compatible with I2C interface. 5