24FC64T-I/ST

Product Overview

Category

The 24FC64T-I/ST 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 intact even when power is removed.
• Electrically erasable: Allows for easy modification of stored data without requiring physical removal.
• Programmable: Data can be written and rewritten multiple times.
• High density: The 24FC64T-I/ST has a capacity of 64 kilobits (8 kilobytes).

Package

The 24FC64T-I/ST is available in a small outline transistor (SOT) package, specifically the SOT-23-5 package.

Essence

The essence of this product lies in its ability to provide reliable and flexible non-volatile data storage in a compact form factor.

Packaging/Quantity

The 24FC64T-I/ST is typically packaged in reels, with each reel containing 3,000 units of the chip.

Specifications

• Memory Capacity: 64 kilobits (8 kilobytes)
• Operating Voltage: 1.7V to 5.5V
• Maximum Clock Frequency: 1 MHz
• Write Endurance: 1 million write cycles
• Data Retention: Up to 200 years
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 24FC64T-I/ST has a total of 5 pins arranged as follows:

1. VCC: Power supply pin (+1.7V to +5.5V)
2. SDA: Serial data input/output pin
3. SCL: Serial clock input pin
4. WP: Write protect pin (optional, can be left unconnected)
5. GND: Ground pin

Functional Features

• I2C Interface: The 24FC64T-I/ST supports the I2C communication protocol, allowing for easy integration with microcontrollers and other devices.
• Sequential Read and Write: Data can be read or written sequentially, enabling efficient data transfer.
• Hardware Write Protection: The WP pin can be used to protect the stored data from accidental modification.
• Software Write Protection: The chip provides software-controlled write protection through specific commands.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data integrity even during power loss.
• Electrically erasable and programmable nature allows for easy data modification.
• Compact package size enables integration in space-constrained designs.
• High write endurance and long data retention period ensure product longevity.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower write speed compared to volatile memory types.
• Requires an external microcontroller or device for data access and manipulation.

Working Principles

The 24FC64T-I/ST utilizes EEPROM technology, which consists of a grid of memory cells that can be individually programmed or erased electrically. The chip communicates with an external microcontroller or device using the I2C protocol. Data is transferred serially between the chip and the controller, allowing for efficient data storage and retrieval.

Detailed Application Field Plans

The 24FC64T-I/ST finds applications in various fields, including but not limited to:

1. Embedded Systems: Used for storing configuration data, firmware updates, and user settings in microcontroller-based systems.
2. Automotive Electronics: Employed in vehicle control units for storing critical data such as calibration parameters and fault codes.
3. Industrial Automation: Utilized in programmable logic controllers (PLCs) for storing program code, configuration data, and historical logs.
4. Consumer Electronics: Integrated into devices like smart TVs, set-top boxes, and gaming consoles for storing user preferences and application data.

Detailed and Complete Alternative Models

1. AT24C64: Manufactured by Microchip Technology Inc., this EEPROM chip offers similar specifications and functionality to the 24FC64T-I/ST.
2. CAT24C64: Produced by ON Semiconductor, this alternative model also provides comparable features and compatibility with the I2C interface.
3. M24C64: Developed by STMicroelectronics, this EEPROM chip is another viable option with a capacity of 64 kilobits and I2C support.

In conclusion, the 24FC64T-I/ST is a versatile EEPROM chip that provides reliable non-volatile data storage in various electronic applications. With its compact size, high endurance, and flexible interface, it offers an efficient solution for storing critical information in a wide range of industries.