Microchip Technology

25LC640A-E/SN  

Memory ICs Products

25LC640A-E/SN Description

The 25LC640A-E/SN is a high-performance EEPROM memory IC designed and manufactured by Microchip Technology. This 64Kbit memory IC is based on the SPI interface and operates at a clock frequency of 10 MHz, ensuring fast data transfer rates and high-speed performance. With a memory organization of 8K x 8, it offers ample storage capacity for various applications. The device is surface-mountable and is available in an 8SOIC package, making it suitable for PCB integration. The 25LC640A-E/SN operates over a wide voltage range of 2.5V to 5.5V, providing flexibility in power supply requirements.

25LC640A-E/SN Features

• Memory Size: 64Kbit (8K x 8), providing ample storage capacity for various applications.
• Interface: SPI, enabling fast data transfer rates and compatibility with a wide range of microcontrollers and systems.
• Clock Frequency: 10 MHz, ensuring high-speed performance.
• Voltage Supply: 2.5V to 5.5V, offering flexibility in power supply requirements.
• Write Cycle Time: 5ms for word and page writes, allowing for quick data updates.
• Technology: EEPROM, providing non-volatile storage and the ability to retain data even when power is lost.
• Mounting Type: Surface Mount, suitable for PCB integration.
• Package: 8SOIC, facilitating easy handling and assembly.
• ECCN: EAR99, indicating that the device is not subject to export controls.
• RoHS Status: ROHS3 Compliant, ensuring environmental compliance.
• REACH Status: REACH Unaffected, indicating that the device does not contain any substances of very high concern.
• MSL: 1 (Unlimited), indicating that the device is not moisture-sensitive and can be stored indefinitely without special precautions.

25LC640A-E/SN Applications

The 25LC640A-E/SN is ideal for a wide range of applications where non-volatile storage and high-speed data transfer are required. Some specific use cases include:

1. Industrial Control Systems: For storing configuration data, firmware updates, and calibration parameters.
2. Automotive Applications: For storing vehicle settings, diagnostic data, and sensor calibrations.
3. Consumer Electronics: For storing user preferences, firmware updates, and application data in devices such as smart home devices, wearables, and IoT devices.
4. Telecommunications: For storing network configuration data, call records, and user settings in communication equipment.
5. Medical Devices: For storing patient data, device settings, and calibration parameters in medical equipment.

Conclusion of 25LC640A-E/SN

The 25LC640A-E/SN is a versatile and high-performance EEPROM memory IC that offers a combination of large storage capacity, fast data transfer rates, and a wide operating voltage range. Its SPI interface, surface-mount package, and RoHS compliance make it suitable for a wide range of applications in various industries. With its unique features and advantages, the 25LC640A-E/SN is an excellent choice for designers looking for a reliable and efficient non-volatile memory solution.

25LC640A-E/SN Documents

Download datasheets and manufacturer documentation for 25LC640A-E/SN

PCN Assembly/Origin :

Manufacturing Change 07/Apr/2022      

Datasheets :

25AA640A, 25LC640A      

PCN Packaging :

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

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