Microchip Technology

25LC040A-E/ST  

Memory ICs Products

25LC040A-E/ST Description

The 25LC040A-E/ST is a high-performance, 4Kbit EEPROM memory IC chip designed by Microchip Technology. This device is optimized for a wide range of applications requiring reliable and efficient data storage solutions. The 25LC040A-E/ST features a 512 x 8 memory organization, providing a total of 4096 bits of EEPROM memory. It operates over a wide voltage range of 2.5V to 5.5V, making it suitable for various power supply environments. The chip supports a clock frequency of up to 10 MHz, ensuring fast data transfer rates through its SPI memory interface.

The 25LC040A-E/ST is housed in an 8-TSSOP surface-mount package, which is both compact and robust, ideal for space-constrained designs. The device has a write cycle time of 5ms for both word and page operations, ensuring efficient data writing capabilities. It is also verified for DigiKey programmability, making it easy to integrate into various systems.

25LC040A-E/ST Features

• Memory Size and Organization: The 25LC040A-E/ST offers a 4Kbit EEPROM memory size with a 512 x 8 organization, providing ample storage for small to medium-sized data sets.
• Fast Data Transfer: With a clock frequency of 10 MHz, the device ensures rapid data transfer, crucial for applications requiring quick read and write operations.
• Wide Operating Voltage Range: The chip operates reliably over a voltage range of 2.5V to 5.5V, making it versatile for different power supply conditions.
• SPI Interface: The 25LC040A-E/ST utilizes the SPI memory interface, which is widely used and well-supported in the industry, simplifying integration into existing systems.
• Fast Write Cycle Time: The device achieves a write cycle time of 5ms for both word and page operations, enhancing overall system performance.
• Surface-Mount Technology: The 8-TSSOP package is designed for surface-mount applications, ensuring robustness and ease of integration into compact designs.
• DigiKey Programmability: The 25LC040A-E/ST is verified for DigiKey programmability, facilitating seamless integration and customization.
• Compliance and Safety: The device is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the 25LC040A-E/ST is suitable for storage and handling in various environmental conditions.

25LC040A-E/ST Applications

The 25LC040A-E/ST is ideal for a variety of applications where reliable, non-volatile memory storage is required. Some specific use cases include:

• Embedded Systems: Ideal for storing configuration data, firmware, and other critical information in embedded systems.
• Consumer Electronics: Suitable for devices requiring non-volatile memory for storing user settings and preferences.
• Industrial Control Systems: Provides robust memory solutions for industrial applications where data integrity and reliability are paramount.
• Automotive Electronics: Can be used in automotive systems for storing calibration data and other critical parameters.
• Medical Devices: Ensures reliable data storage for medical devices, where data accuracy and integrity are crucial.

Conclusion of 25LC040A-E/ST

The 25LC040A-E/ST from Microchip Technology is a versatile and reliable EEPROM memory IC chip, offering a balance of performance, flexibility, and ease of integration. Its fast data transfer rates, wide operating voltage range, and compact surface-mount package make it an excellent choice for a wide range of applications. The device's compliance with industry standards and safety regulations further enhances its suitability for various markets. Whether used in embedded systems, consumer electronics, or industrial applications, the 25LC040A-E/ST provides a dependable and efficient memory solution.

25LC040A-E/ST Documents

Download datasheets and manufacturer documentation for 25LC040A-E/ST

PCN Assembly/Origin :

Bond Wire 28/Mar/2022      

Datasheets :

25(AA, LC)040A      

PCN Packaging :

Packing Changes 10/Oct/2016       Label and Packing Changes 23/Sep/2015      

Design Resources :

25LC040A Development Tool Selector      

HTML Datasheet :

25(AA, LC)040A      

PCN Design/Specification :

25AA040A/25LC040A 06/Jan/2022      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH