STMicroelectronics M27C4001-12B1 EPROM

The M27C4001-12B1 is a high-speed 4 Megabit (4Mb) EPROM from the reputable semiconductor manufacturer STMicroelectronics. This Electrically Programmable Read-Only Memory (EPROM) is designed to deliver reliable data storage and retrieval for a wide range of applications that require non-volatile memory solutions.

With a storage capacity of 4Mb, the M27C4001-12B1 is organized as 512K by 8 bits, providing ample space for firmware, boot code, or other critical data that must be preserved across power cycles. The device features a 120 ns access time, which ensures swift data access and contributes to the overall system performance.

The M27C4001-12B1 operates within a single 5V power supply, making it compatible with many standard digital systems and simplifying power management requirements. It is also equipped with programming voltage (VPP) and programming inhibit voltage (VPI) inputs, giving users precise control over the programming process to protect the integrity of the stored data.

One of the key advantages of the M27C4001-12B1 is its flexible and straightforward programming. It supports both parallel programming and standard microprocessor interfaces, which allows for easy integration into a variety of systems without the need for complex programming equipment. Additionally, the EPROM comes in a convenient 32-pin DIP (Dual In-line Package), which is widely used and recognized in the industry for its ease of handling and soldering onto printed circuit boards.

STMicroelectronics ensures that the M27C4001-12B1 is designed with reliability in mind. The device features a transparent lid that allows for exposure to ultraviolet (UV) light, which can erase the stored data when necessary. This capability provides users with the flexibility to reuse the EPROM multiple times, which can be particularly useful during the development and testing phases of a product.

In summary, the M27C4001-12B1 from STMicroelectronics is a robust and reliable EPROM solution that offers high-speed data access, large storage capacity, and ease of programming, making it an excellent choice for a diverse range of applications that require non-volatile memory storage.