Product Overview: Microchip Technology's 25LC040T/SN

The 25LC040T/SN is a 4 Kbit Serial Electrically Erasable PROM, part of Microchip Technology's renowned family of serial EEPROMs. This device offers low-power, non-volatile data storage and is designed for flexible and reliable data handling in a wide range of applications. Its small form factor and SPI interface make it an excellent choice for embedded systems where space is at a premium and efficient data access is a necessity.

The 25LC040T/SN operates at a voltage range of 2.5V to 5.5V, providing compatibility with most microcontroller logic levels and allowing it to be used in various system designs without the need for level shifters. Its high endurance and data retention capabilities ensure that data is preserved even in harsh conditions or after extensive use.

Key Features

• Memory Size: 4 Kbit (512 x 8)
• Interface Type: Serial, SPI-compatible
• Operating Voltage Range: 2.5V to 5.5V
• Endurance: 1 million erase/write cycles
• Data Retention: 100 years
• Temperature Range: -40°C to +85°C (industrial grade)
• Packaging: 8-pin SOIC (SN)

The device also features a self-timed erase and write cycle with auto-erase before write, which simplifies the write operation and ensures data integrity. A write protect pin provides hardware data protection and prevents accidental overwrite or erasure.

The 25LC040T/SN is suitable for a variety of applications, including parameter storage, calibration data storage, device configuration, and any application where reliable and efficient non-volatile memory storage is critical. Its small size, low power consumption, and SPI interface make it particularly well-suited for portable and battery-operated devices.

In summary, Microchip Technology's 25LC040T/SN is a compact, reliable, and versatile EEPROM that offers a practical solution for a plethora of data storage needs, making it a valuable component for designers and engineers across various industries.