24LC1025-E/SM

Product Overview

Category

The 24LC1025-E/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 24LC1025-E/SM can be erased and reprogrammed electronically, making it convenient for updating stored data.
• High storage capacity: With a capacity of 1,048,576 bits (131,072 bytes), this chip offers ample space for storing critical information.
• Low power consumption: It operates at low voltage levels, ensuring energy efficiency.
• Fast write and read speeds: The 24LC1025-E/SM provides quick access to stored data, enhancing overall device performance.

Package

This chip is available in a surface mount package (SM) format, which enables easy integration onto circuit boards.

Essence

The 24LC1025-E/SM is an EEPROM chip designed to provide reliable and non-volatile data storage capabilities for electronic devices.

Packaging/Quantity

The 24LC1025-E/SM is typically packaged in reels or tubes, with each containing a specific quantity of chips. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Memory capacity: 1,048,576 bits (131,072 bytes)
• Operating voltage: 2.5V to 5.5V
• Operating temperature range: -40°C to +85°C
• Write endurance: 1,000,000 cycles
• Data retention: Up to 200 years

Detailed Pin Configuration

The 24LC1025-E/SM chip has a total of eight pins, each serving a specific function:

1. VCC: Power supply input
2. SDA: Serial data input/output
3. SCL: Serial clock input
4. WP: Write protect input
5. A0, A1, A2: Address inputs for device addressing
6. GND: Ground connection

Functional Features

• Random access: The chip allows random access to any memory location, facilitating efficient data retrieval.
• Sequential read and write operations: It supports sequential read and write operations, enabling streamlined data handling.
• Hardware write protection: The WP pin can be used to protect the stored data from accidental overwriting.
• I2C interface: The 24LC1025-E/SM utilizes the I2C (Inter-Integrated Circuit) protocol for communication with other devices.

Advantages and Disadvantages

Advantages

• High storage capacity
• Low power consumption
• Fast write and read speeds
• Long data retention period
• Easy integration due to surface mount package format

Disadvantages

• Limited write endurance (1,000,000 cycles)
• Requires an external microcontroller or device for interfacing

Working Principles

The 24LC1025-E/SM operates based on the principles of EEPROM technology. It uses a combination of electric signals and charge storage mechanisms to store and retrieve data. When data is written, the chip applies electrical charges to specific memory cells, altering their state. During read operations, the stored charges are detected and interpreted as binary data.

Detailed Application Field Plans

The 24LC1025-E/SM finds applications in various fields, including but not limited to: - Embedded systems - Industrial automation - Automotive electronics - Medical devices - Consumer electronics

In embedded systems, this chip can be utilized for storing configuration settings, calibration data, and firmware updates. In industrial automation, it can be employed for data logging, parameter storage, and device identification. Automotive electronics can benefit from the 24LC1025-E/SM for storing vehicle-specific information, such as VIN numbers and mileage records. Medical devices can utilize this chip for storing patient data, device settings, and event logs. In consumer electronics, it can be used for storing user preferences, application data, and encryption keys.

Detailed and Complete Alternative Models

• 24LC1026-E/SM: Similar to the 24LC1025-E/SM, but with a higher memory capacity of 2,097,152 bits (262,144 bytes).
• 24LC1024-I/SN: A compatible alternative in a different package format (SOIC), suitable for specific circuit board layouts.
• 24LC1025T-I/OT: An extended temperature range variant (-40°C to +125°C) for applications requiring higher operating temperatures.

These alternative models offer similar functionality and can be considered based on specific project requirements.

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