Microchip Technology 25LC040A-E/SN Serial EEPROM

The 25LC040A-E/SN is a 4 Kbit Electrically Erasable Programmable Read-Only Memory (EEPROM) device from Microchip Technology. It operates on a serial interface and is specifically designed for low-power applications that require data storage with a high endurance and efficient memory access.

Key Features:

• Memory Size: The device provides a 4 Kbit (512 x 8) storage capacity, suitable for storing configuration parameters, device IDs, calibration data, and other application-specific information.
• Interface: It utilizes a Serial Peripheral Interface (SPI) bus, which enables high-speed data transfer while maintaining a simple and efficient communication protocol.
• Operating Voltage: The EEPROM operates within a voltage range of 2.5V to 5.5V, making it versatile for various system voltage levels and ensuring compatibility with both 3.3V and 5V systems.
• Temperature Range: With an industrial temperature range of -40°C to +85°C, the 25LC040A-E/SN is robust and reliable for operation in harsh environments.
• Write Cycle Time: It features a fast write cycle time of 5 ms (maximum), allowing quick updates to stored data.
• Endurance: The EEPROM boasts a high endurance of 1 million erase/write cycles, ensuring data reliability and longevity of the memory content over a wide range of applications.
• Data Retention: Data retention is guaranteed for a minimum of 200 years, providing a stable and dependable storage solution.
• Packaging: The device comes in an 8-pin SOIC (SN) package, which is widely used and suitable for standard PCB layouts.

The 25LC040A-E/SN EEPROM is an ideal choice for applications that demand a reliable and long-lasting non-volatile memory solution. Its low-power consumption and SPI compatibility make it an excellent choice for embedded systems, consumer electronics, automotive applications, and other electronic products where efficient data storage is crucial.