24LC014-E/ST

Product Overview

Category

The 24LC014-E/ST 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 24LC014-E/ST 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 14 kilobits (1.75 kilobytes).
• Low power consumption: The chip operates on low power, making it suitable for battery-powered devices.
• I2C interface: It utilizes the Inter-Integrated Circuit (I2C) protocol for communication with other devices.

Package

The 24LC014-E/ST is available in an 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of the 24LC014-E/ST is its ability to provide reliable and non-volatile data storage in a compact form factor.

Packaging/Quantity

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

Specifications

• Storage Capacity: 14 kilobits (1.75 kilobytes)
• Operating Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Cycle Endurance: 1 million cycles
• Data Retention: Up to 200 years

Detailed Pin Configuration

The 24LC014-E/ST features the following pin configuration:

1. VCC: Power supply voltage
2. SDA: Serial data input/output pin
3. SCL: Serial clock input pin
4. WP: Write protect pin (optional)
5. A0: Address bit 0
6. A1: Address bit 1
7. A2: Address bit 2
8. GND: Ground

Functional Features

• Random access: The chip allows for random access to any memory location, enabling efficient data retrieval.
• Byte-level read/write: Data can be read from or written to the chip at the byte level, providing flexibility in data manipulation.
• Hardware write protection: The optional write protect pin (WP) allows users to protect the stored data from accidental modification.
• I2C compatibility: The chip follows the I2C protocol, ensuring compatibility with a wide range of devices.

Advantages and Disadvantages

Advantages

• Non-volatile storage: The chip retains data even when power is removed, ensuring data integrity.
• Compact form factor: The small package size makes it suitable for space-constrained applications.
• Low power consumption: The chip operates on low power, extending battery life in portable devices.
• High endurance: With a write cycle endurance of 1 million cycles, the chip offers reliable and long-lasting performance.

Disadvantages

• Limited storage capacity: The 24LC014-E/ST has a relatively small storage capacity compared to other EEPROM chips.
• Slower write speed: Writing data to the chip may take longer compared to other memory technologies.

Working Principles

The 24LC014-E/ST utilizes electrically controlled floating gate transistors to store data. When data is written, an electrical charge is applied to the floating gate, altering its conductivity and storing the desired information. To read the data, the stored charge is measured, allowing the chip to retrieve the stored information.

Detailed Application Field Plans

The 24LC014-E/ST can be used in various applications, including but not limited to:

1. Microcontroller-based systems: The chip can store configuration data, calibration values, or user settings for microcontrollers.
2. Industrial automation: It can be used for storing production data, equipment parameters, or firmware updates in industrial control systems.
3. Consumer electronics: The chip can store user preferences, device settings, or firmware updates in devices such as smart TVs, set-top boxes, or home appliances.
4. Automotive electronics: It can be utilized for storing vehicle-specific data, firmware updates, or sensor calibration values in automotive electronic control units (ECUs).

Detailed and Complete Alternative Models

Some alternative models to the 24LC014-E/ST include:

1. 24LC512: This EEPROM chip offers a higher storage capacity of 512 kilobits (64 kilobytes).
2. 24LC256: With a storage capacity of 256 kilobits (32 kilobytes), this chip provides a balance between capacity and cost.
3. 24LC024: