Microchip Technology

25LC640AT-E/SN  

Memory ICs Products

25LC640AT-E/SN Description

The 25LC640AT-E/SN is a high-performance EEPROM memory IC from Microchip Technology, designed to meet the demands of modern electronic systems. This 64Kbit SPI memory IC is built using advanced technology and offers a wide range of features that make it ideal for various applications. With a clock frequency of 10 MHz, the 25LC640AT-E/SN provides fast data transfer rates, ensuring efficient operation in demanding environments.

25LC640AT-E/SN Features

• Memory Size: The 25LC640AT-E/SN boasts a generous 64Kbit memory capacity, organized in an 8K x 8 format. This allows for ample storage of data and code, making it suitable for applications requiring large amounts of non-volatile memory.
• Memory Interface: The device features a SPI interface, a popular choice for embedded systems due to its simplicity and ease of use. This interface allows for efficient communication with microcontrollers and other system components.
• Clock Frequency: With a clock frequency of 10 MHz, the 25LC640AT-E/SN offers fast data transfer rates, ensuring quick access to stored data.
• Write Cycle Time: The device has a write cycle time of 5ms for both words and pages, allowing for rapid updates to the stored data.
• Voltage Supply: The 25LC640AT-E/SN operates over a wide voltage range of 2.5V to 5.5V, making it compatible with various power supply systems.
• Mounting Type: The device is surface mount, allowing for easy integration into PCB designs and enabling space-saving solutions.
• ECCN: The 25LC640AT-E/SN is classified as EAR99, indicating that it is not subject to export controls under the Export Administration Regulations.
• RoHS Compliance: The device is RoHS3 compliant, ensuring that it meets environmental and safety standards.
• REACH Status: The 25LC640AT-E/SN is REACH unaffected, meaning it does not contain any substances of very high concern (SVHC) listed under the European REACH regulation.

25LC640AT-E/SN Applications

The 25LC640AT-E/SN is ideal for a variety of applications where non-volatile memory is required. Some specific use cases include:

• Industrial Control Systems: The device's fast data transfer rates and wide voltage range make it suitable for use in industrial control systems, where reliable and efficient data storage is crucial.
• Automotive Applications: The 25LC640AT-E/SN can be used in automotive systems for storing calibration data, firmware updates, and other critical information.
• Smart Home Devices: In smart home devices, the EEPROM can store user preferences, settings, and firmware, ensuring that the device operates as intended.
• Medical Devices: The device's reliability and wide voltage range make it suitable for use in medical devices, where data integrity and system performance are critical.

Conclusion of 25LC640AT-E/SN

The 25LC640AT-E/SN is a versatile and high-performance EEPROM memory IC that offers a range of features and benefits for various applications. Its large memory capacity, fast data transfer rates, and wide voltage range make it an ideal choice for systems requiring reliable and efficient non-volatile memory. With its RoHS and REACH compliance, the 25LC640AT-E/SN is not only a technologically advanced solution but also an environmentally responsible one.

25LC640AT-E/SN Documents

Download datasheets and manufacturer documentation for 25LC640AT-E/SN

PCN Assembly/Origin :

Manufacturing Change 07/Apr/2022      

Datasheets :

25AA640A, 25LC640A      

PCN Packaging :

Reel Design Update 07/May/2015       Packing Changes 10/Oct/2016      

Design Resources :

25LC640A Development Tool Selector      

PCN Design/Specification :

25LCYYY 18/Sep/2018       25AA640A/25LC640A 30/Jun/2021      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH