AT24C64AN-10SU-2.7

Product Overview

Category

AT24C64AN-10SU-2.7 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 AT24C64AN-10SU-2.7 has a storage capacity of 64 kilobits (8 kilobytes).
• Low power consumption: It operates at a low voltage and consumes minimal power.
• I2C interface: The chip communicates using the I2C protocol, allowing for easy integration into existing systems.

Package and Quantity

The AT24C64AN-10SU-2.7 is available in a small outline integrated circuit (SOIC) package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Operating Voltage: 2.7V to 5.5V
• 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 AT24C64AN-10SU-2.7 has a total of 8 pins, which are assigned specific functions:

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: Power Supply

Functional Features

• Random Access: Allows for reading and writing data at any memory location.
• Page Write: Supports writing multiple bytes of data in a single operation, improving efficiency.
• Software Write Protection: The WP pin can be used to protect the memory from accidental writes.
• Hardware Write Protection: A2, A1, and A0 pins can be connected to ground or VCC to enable write protection.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data integrity even during power loss.
• High storage capacity for various applications.
• Low power consumption prolongs battery life in portable devices.
• I2C interface simplifies integration into existing systems.

Disadvantages

• Limited maximum clock frequency compared to some other EEPROM chips.
• Relatively slower write cycle time may impact performance in time-critical applications.

Working Principles

The AT24C64AN-10SU-2.7 utilizes electrically isolated floating-gate transistors to store data. When programming, an electrical charge is applied to the floating gate, altering its threshold voltage. This allows for storing binary data as different voltage levels. Reading the stored data involves sensing the voltage levels and converting them back into binary information.

Detailed Application Field Plans

The AT24C64AN-10SU-2.7 finds applications in various fields, including: - Embedded systems: Used for firmware storage in microcontrollers. - Automotive electronics: Stores configuration data and calibration values. - Industrial automation: Stores parameters and settings for control systems. - Consumer electronics: Used in devices like smart TVs, set-top boxes, and gaming consoles for data storage.

Alternative Models

Several alternative models with similar features and specifications are available in the market. Some notable alternatives to the AT24C64AN-10SU-2.7 include: - AT24C32AN-10SU-2.7: A lower capacity variant with 32 kilobits of storage. - AT24C128AN-10SU-2.7: A higher capacity variant with 128 kilobits of storage. - CAT24C64WI-GT3: An alternative from a different manufacturer with similar specifications.

In conclusion, the AT24C64AN-10SU-2.7 is a versatile EEPROM chip offering high storage capacity, low power consumption, and easy integration. Its applications span across various industries, making it a popular choice for non-volatile data storage in electronic devices.