24LC32AXT-E/ST

Product Overview

Category

The 24LC32AXT-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 24LC32AXT-E/ST can be erased and reprogrammed electronically, making it convenient for updating stored data.
• Non-volatile: The chip retains data even when power is removed, ensuring data integrity.
• High storage capacity: This model has a storage capacity of 32 kilobits (4 kilobytes), allowing for ample data storage.
• 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 24LC32AXT-E/ST comes in a small surface-mount package, known as the TSSOP-8 (Thin Shrink Small Outline Package). This package offers compactness and ease of integration into circuit boards.

Essence

The essence of the 24LC32AXT-E/ST lies in its ability to provide reliable and non-volatile data storage in a compact form factor, suitable for a wide range of electronic applications.

Packaging/Quantity

The chip is typically packaged in reels or tubes, containing a specific quantity of units. The exact packaging and quantity may vary depending on the supplier and customer requirements.

Specifications

• Storage Capacity: 32 kilobits (4 kilobytes)
• Operating Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Interface: I2C (Two-wire Serial Interface)
• Write Cycle Endurance: 1 million cycles
• Data Retention: Up to 200 years

Detailed Pin Configuration

The 24LC32AXT-E/ST has a total of 8 pins, each serving a specific function:

1. VCC: Power supply input
2. SDA: Serial data line for I2C communication
3. SCL: Serial clock line 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 random access to any memory location, enabling efficient data retrieval.
• Byte-level read/write: It supports byte-level read and write operations, providing flexibility in data manipulation.
• Hardware write protection: The WP pin can be used to enable or disable write operations, protecting stored data from accidental modification.
• Acknowledge support: The chip provides acknowledgment signals during data transfer, ensuring reliable communication.

Advantages and Disadvantages

Advantages

• Non-volatile storage: Data remains intact even when power is lost.
• Compact form factor: The small package size enables integration into space-constrained designs.
• Low power consumption: Suitable for battery-powered devices.
• High endurance: Can withstand frequent write cycles without degradation.

Disadvantages

• Limited storage capacity: May not be suitable for applications requiring large amounts of data storage.
• Relatively slower write speed compared to other memory technologies.
• Requires an I2C interface for communication, which may add complexity to the design.

Working Principles

The 24LC32AXT-E/ST utilizes electrically erasable floating-gate technology to store and retrieve data. It consists of a grid of memory cells, each capable of storing a single bit of information. The chip's internal circuitry allows for the selective reading and writing of data to specific memory locations.

During write operations, an electrical charge is applied to the floating gate of the memory cell, altering its state. This process can be reversed during erase operations, allowing for data modification. The I2C interface facilitates communication between the chip and the controlling device, enabling seamless data transfer.

Detailed Application Field Plans

The 24LC32AXT-E/ST finds applications in various fields, including:

1. Embedded Systems: Used for storing configuration data, firmware updates, and user settings in microcontroller-based systems.
2. Automotive Electronics: Employed for storing critical data, such as calibration parameters and vehicle-specific settings.
3. Industrial Automation: Utilized for storing production data, sensor calibration values, and system configuration parameters.
4. Consumer Electronics: Integrated into devices like smart TVs, set-top boxes, and audio equipment for storing user preferences and settings.

Detailed and Complete Alternative Models