AT24C64BN-10SU-1.8

Product Overview

Category

AT24C64BN-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 AT24C64BN-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 comes in a compact package, making it suitable for space-constrained applications.

Package and Quantity

The AT24C64BN-10SU-1.8 is available in a small outline integrated circuit (SOIC) package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Part Number: AT24C64BN-10SU-1.8
• Memory Size: 64 kilobits (8 kilobytes)
• Operating Voltage: 1.8V
• Interface: I2C (Two-wire Serial Interface)
• Maximum Clock Frequency: 400 kHz
• Write Cycle Time: 5 ms (maximum)
• Data Retention: 100 years (minimum)

Pin Configuration

The AT24C64BN-10SU-1.8 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 reading and writing of data at any memory location.
• Byte-Level Read and Write: Enables manipulation of individual bytes within the memory.
• Hardware Write Protection: The WP pin can be used to protect the memory from accidental writes.
• Sequential Read: Supports continuous reading of multiple bytes without requiring repeated address transmissions.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data integrity even during power loss.
• Electrically erasable nature allows for easy reprogramming.
• Low power consumption makes it suitable for battery-powered devices.
• Compact form factor enables integration into space-constrained designs.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Slower write cycle time may impact performance in certain applications.
• Vulnerable to electromagnetic interference due to its small size.

Working Principles

The AT24C64BN-10SU-1.8 utilizes electrically isolated floating gate transistors to store data. When a byte is written, an electrical charge is trapped in the floating gate, representing a logical 0 or 1. This charge can be erased by applying a higher voltage, allowing the byte to be rewritten.

Detailed Application Field Plans

The AT24C64BN-10SU-1.8 finds application in various fields, including: - Embedded systems: Used for storing configuration data and firmware updates. - Automotive electronics: Stores critical information like mileage and vehicle settings. - Industrial automation: Used for data logging and parameter storage. - Consumer electronics: Found in devices like smart TVs, set-top boxes, and gaming consoles for storing user preferences and settings.

Alternative Models

Several alternative models with similar features and specifications are available in the market. Some notable alternatives to the AT24C64BN-10SU-1.8 include: - AT24C32BN-10SU-1.8: 32 kilobits (4 kilobytes) memory size. - AT24C128BN-10SU-1.8: 128 kilobits (16 kilobytes) memory size. - AT24C256BN-10SU-1.8: 256 kilobits (32 kilobytes) memory size.

These alternative models provide options for different storage requirements while maintaining compatibility with the I2C interface.

In conclusion, the AT24C64BN-10SU-1.8 is a versatile EEPROM chip offering non-volatile data storage, low power consumption, and a compact form factor. Its wide range of applications and availability of alternative models make it a popular choice in the electronics industry.