24LC65T/SM

Product Overview

Category

The 24LC65T/SM belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This chip is commonly used for non-volatile data storage in various electronic devices, such as microcontrollers, computers, and consumer electronics.

Characteristics

• Electrically erasable: The 24LC65T/SM can be erased and reprogrammed electronically, making it convenient for updating stored data.
• Non-volatile: The chip retains its stored data even when power is removed.
• High storage capacity: This model has a storage capacity of 8 kilobits (1 kilobyte).
• Low power consumption: The chip operates on low power, making it suitable for battery-powered devices.

Package

The 24LC65T/SM is available in a surface mount package (SM), which allows for easy integration onto printed circuit boards (PCBs).

Essence

The essence of the 24LC65T/SM lies in its ability to provide reliable and non-volatile data storage in electronic devices, ensuring that important information is retained even during power cycles or system shutdowns.

Packaging/Quantity

This chip is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Storage Capacity: 8 kilobits (1 kilobyte)
• Interface: I2C (Inter-Integrated Circuit)
• Operating Voltage: 2.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1,000,000 cycles
• Data Retention: 200 years

Detailed Pin Configuration

The 24LC65T/SM chip has a total of 8 pins, each serving a specific function:

1. VCC: Power supply voltage input
2. SDA: Serial data input/output for I2C communication
3. SCL: Serial clock input for I2C communication
4. WP: Write Protect pin for hardware write protection
5. A0: Address bit 0 for device addressing
6. A1: Address bit 1 for device addressing
7. A2: Address bit 2 for device addressing
8. GND: Ground reference

Functional Features

• Random access: The chip allows for random access to stored data, enabling efficient retrieval and modification.
• Hardware write protection: The WP pin can be used to protect the stored data from accidental writes.
• Low power consumption: The chip operates on low power, making it suitable for battery-powered devices.
• High-speed operation: The I2C interface enables fast data transfer between the chip and the host device.

Advantages and Disadvantages

Advantages

• Non-volatile storage: The chip retains data even during power loss or system shutdowns.
• Easy integration: The surface mount package allows for easy integration onto PCBs.
• High storage capacity: The 24LC65T/SM offers a generous storage capacity of 8 kilobits.

Disadvantages

• Limited storage capacity: While sufficient for many applications, the 8 kilobit capacity may not be suitable for larger data storage requirements.
• Limited write endurance: The chip has a write endurance of 1,000,000 cycles, which may be a limitation in certain high-write applications.

Working Principles

The 24LC65T/SM utilizes electrically erasable programmable read-only memory (EEPROM) technology. It stores data by trapping electrical charges within its memory cells. These charges represent binary information that can be read, modified, or erased electronically.

The chip communicates with the host device using the I2C interface, allowing for easy integration into various systems. The stored data can be accessed and manipulated by sending appropriate commands and addresses through the SDA and SCL pins.

Detailed Application Field Plans

The 24LC65T/SM finds applications in a wide range of electronic devices, including but not limited to:

1. Microcontrollers: Used for storing program code, configuration settings, and calibration data.
2. Computers: Employed for storing system BIOS settings, user preferences, and encryption keys.
3. Consumer Electronics: Utilized for storing firmware, device-specific configurations, and user data in devices such as smart TVs, set-top boxes, and audio players.

Detailed and Complete Alternative Models

• 24LC64: Similar to the 24LC65T/SM, but with a slightly lower storage capacity of 64 kilobits (8 kilobytes).
• 24LC128: Offers double the storage capacity compared to the 24LC65T/SM, with 128 kilobits (16 kilobytes) available.