STMicroelectronics M25PE40 - 4 Mbit, Low Voltage, Serial Flash Memory

The M25PE40 is a 4 Mbit (512 K x 8) serial Flash memory, which is designed and manufactured by the renowned semiconductor company, STMicroelectronics. This memory chip is optimized for a wide range of applications that require high performance and reliability in a small form factor. The device operates on a supply voltage ranging from 2.7V to 3.6V, making it suitable for low-power operations in portable electronics.

Featuring a high-speed SPI-compatible bus interface, the M25PE40 provides a streamlined solution for systems that require fast data transfer and minimal pin count. The device supports standard SPI, Dual SPI, and Quad SPI operation, enabling flexible and efficient data management. With clock frequencies of up to 75 MHz for all protocols, the M25PE40 offers rapid program and erase speeds, ensuring efficient system performance.

One of the key advantages of the M25PE40 is its sector and subsector erase capability, which allows for efficient memory management and optimization of data storage. The memory is organized into sectors and subsectors, each of which can be individually erased and programmed, providing enhanced flexibility for application developers.

The M25PE40 also comes equipped with advanced security features. It includes a 64-bit, user-programmable unique ID, and three 256-bit user-programmable OTP (One-Time Programmable) areas. These features are crucial for applications that require secure data storage, device authentication, and protection against unauthorized access.

For ease of integration, the M25PE40 is offered in an 8-pin, ultra-thin, small outline non-volatile memory package (USON), which is ideal for space-constrained applications. The robust design of the M25PE40 ensures high endurance and data retention, with a specified endurance of 100,000 program/erase cycles and a data retention period of 20 years.

In summary, the M25PE40 from STMicroelectronics is a versatile and reliable Flash memory solution that combines performance, low power consumption, and advanced security features, making it an excellent choice for a variety of applications in the consumer, industrial, and telecommunications sectors.