24LC65/SM

Product Overview

Category

The 24LC65/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 24LC65/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.
• Low power consumption: It operates at low voltage levels, minimizing energy usage.
• High reliability: The 24LC65/SM offers robust performance and long-term data retention.
• Small form factor: The chip is available in a compact package, suitable for space-constrained applications.

Package and Quantity

The 24LC65/SM is typically packaged in a surface mount package (SM). The exact dimensions and pin configuration are specified by the manufacturer. It is usually sold in reels or trays containing multiple units.

Specifications

• Memory capacity: The 24LC65/SM has a total memory capacity of 8 kilobits (1 kilobyte).
• Operating voltage range: It operates within a voltage range of 2.5V to 5.5V.
• Operating temperature range: The chip can function reliably within a temperature range of -40°C to +85°C.
• Write endurance: The 24LC65/SM supports up to 1 million write cycles.
• Data retention: It can retain stored data for up to 200 years.

Pin Configuration

The 24LC65/SM chip has a specific pin configuration that facilitates its integration into electronic circuits. The detailed pinout diagram is as follows:

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Functional Features

• Random access: The chip allows for random access to individual memory locations, enabling efficient data retrieval.
• Byte-level read and write operations: It supports byte-level read and write operations, providing flexibility in data manipulation.
• Hardware write protection: The 24LC65/SM includes hardware write protection features to prevent accidental modification of stored data.
• I2C interface: The chip utilizes the I2C (Inter-Integrated Circuit) protocol for communication with the host device.

Advantages and Disadvantages

Advantages

• Easy to use and integrate into electronic systems.
• High reliability and long-term data retention.
• Low power consumption.
• Compact form factor suitable for space-constrained applications.

Disadvantages

• Limited memory capacity compared to other storage solutions.
• Slower write speeds compared to some alternative models.

Working Principles

The 24LC65/SM operates based on the principles of EEPROM technology. It utilizes a combination of electrically controlled floating gate transistors and charge storage mechanisms to store and retrieve data. When writing data, an electrical charge is applied to specific memory cells, altering their state. Reading data involves detecting the charge level in each memory cell.

Application Field Plans

The 24LC65/SM finds application in various fields, including but not limited to: - Embedded systems - Industrial automation - Automotive electronics - Medical devices - Consumer electronics

Alternative Models

Several alternative models with similar functionality to the 24LC65/SM are available in the market. Some notable alternatives include: - AT24C64: Manufactured by Atmel, this chip offers a higher memory capacity of 64 kilobits. - CAT24C08: Produced by ON Semiconductor, it provides a smaller memory capacity of 8 kilobits but operates at lower voltage levels.

These alternative models can be considered based on specific project requirements and constraints.

In conclusion, the 24LC65/SM is a versatile EEPROM chip that offers reliable non-volatile data storage in various electronic devices. Its compact size, low power consumption, and high reliability make it a popular choice among designers and engineers in different industries.

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