Microchip Technology

25LC640AT-E/ST

25LC640AT-E/ST Description

The 25LC640AT-E/ST is a high-performance, 64Kbit EEPROM memory IC from Microchip Technology, designed for a wide range of applications requiring non-volatile storage. With a memory organization of 8K x 8, this device offers ample storage capacity for various data logging, configuration, and calibration tasks. The device features a Serial Peripheral Interface (SPI) for easy integration with microcontrollers and other digital systems. It operates over a wide supply voltage range of 2.5V to 5.5V, making it suitable for both low-voltage and high-voltage applications.

25LC640AT-E/ST Features

• Memory Size: 64Kbit (8K x 8), providing ample storage for various applications.
• Technology: EEPROM, ensuring non-volatile storage and easy reprogramming.
• Memory Interface: SPI, enabling seamless integration with microcontrollers and other digital systems.
• Clock Frequency: 10 MHz, allowing for fast data transfer and processing.
• Voltage - Supply: 2.5V ~ 5.5V, supporting both low-voltage and high-voltage applications.
• Write Cycle Time - Word, Page: 5ms, ensuring efficient data writing and updating.
• Mounting Type: Surface Mount, facilitating easy assembly and integration into PCB designs.
• RoHS Status: ROHS3 Compliant, ensuring environmental compliance and reducing environmental impact.
• REACH Status: REACH Unaffected, indicating that the product does not contain any substances of very high concern (SVHCs) listed under the European REACH regulation.

25LC640AT-E/ST Applications

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

1. Data Logging: Storing sensor data, system logs, and other time-series data for later analysis or processing.
2. Configuration and Calibration: Storing system settings, calibration parameters, and other configuration data that needs to be retained even when power is removed.
3. Firmware Storage: Providing a non-volatile storage solution for firmware updates and bootloaders in embedded systems.
4. Smart Home and IoT Devices: Storing device settings, user preferences, and sensor data in smart home and IoT devices.
5. Industrial Automation: Storing control parameters, machine settings, and other critical data in industrial automation systems.

Conclusion of 25LC640AT-E/ST

The 25LC640AT-E/ST from Microchip Technology is a versatile, high-performance EEPROM memory IC that offers a combination of large storage capacity, fast data transfer, and wide voltage range. Its SPI interface and surface-mount packaging make it easy to integrate into a wide range of digital systems. With its RoHS compliance and REACH unaffected status, the 25LC640AT-E/ST is an environmentally responsible choice for non-volatile storage in various applications, including data logging, configuration, and firmware storage.