AT24C64AW-10SU-1.8

Product Overview

Category

AT24C64AW-10SU-1.8 belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This product 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: Data can be erased and reprogrammed electronically.
• High storage capacity: The AT24C64AW-10SU-1.8 has a storage capacity of 64 kilobits (8 kilobytes).
• Low power consumption: It operates at a low voltage and consumes minimal power.
• Small form factor: The chip is available in a compact surface mount package.

Package and Quantity

The AT24C64AW-10SU-1.8 is packaged in a small outline integrated circuit (SOIC) package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Operating voltage: 1.8V
• Maximum clock frequency: 400 kHz
• Write cycle time: 10 ms (maximum)
• Data retention: 100 years (minimum)
• Endurance: 1 million write cycles (minimum)

Pin Configuration

The AT24C64AW-10SU-1.8 has a total of 8 pins, each serving a specific purpose:

1. A0: Address input pin 0
2. A1: Address input pin 1
3. A2: Address input pin 2
4. GND: Ground connection
5. SDA: Serial data input/output
6. SCL: Serial clock input
7. WP: Write protect pin
8. VCC: Power supply voltage

Functional Features

• Random access: Allows reading and writing of data at any memory location.
• Page write mode: Enables multiple bytes to be written in a single operation, improving efficiency.
• Software write protection: The WP pin can be used to protect the memory from accidental writes.
• Sequential read mode: Supports sequential reading of data without the need for repeated address input.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data integrity even during power loss.
• Electrically erasable capability allows for easy reprogramming.
• High storage capacity accommodates a wide range of applications.
• Low power consumption prolongs battery life in portable devices.

Disadvantages

• Limited endurance: Frequent writes may reduce the lifespan of the chip.
• Relatively slower write cycle time compared to other memory technologies.
• Higher cost per bit compared to some alternative memory solutions.

Working Principles

The AT24C64AW-10SU-1.8 utilizes a floating gate transistor structure to store and retrieve data. When programming, an electric charge is trapped in the floating gate, representing a logical "1." Erasing the data involves removing the charge, resulting in a logical "0." The stored data can be accessed by sending appropriate commands through the serial interface.

Detailed Application Field Plans

The AT24C64AW-10SU-1.8 finds application in various fields, including:

1. Embedded systems: Used for storing configuration data, firmware updates, and user settings in microcontrollers and IoT devices.
2. Automotive electronics: Employed for storing critical data such as calibration values, fault codes, and vehicle identification information.
3. Consumer electronics: Utilized in devices like smart TVs, set-top boxes, and digital cameras for storing user preferences, channel lists, and image data.
4. Industrial automation: Used for storing production data, machine parameters, and system configurations in programmable logic controllers (PLCs) and industrial control systems.

Detailed Alternative Models

1. AT24C32AW-10SU-1.8: A lower capacity variant with 32 kilobits of storage.
2. AT24C128AW-10SU-1.8: A higher capacity variant with 128 kilobits of storage.
3. AT24C256AW-10SU-1.8: An even higher capacity variant with 256 kilobits of storage.

These alternative models offer different storage capacities to suit specific application requirements while maintaining similar characteristics and functionality.

In conclusion, the AT24C64AW-10SU-1.8 is a versatile EEPROM chip that provides non-volatile data storage with high capacity and low power consumption. Its compact form factor and various functional features make it suitable for a wide range of applications in different industries. While it has certain limitations, such as limited endurance and slower write cycle time, it remains a reliable choice for many electronic devices requiring non-volatile memory.