STMicroelectronics M29F400BB90N6T Flash Memory

The M29F400BB90N6T is a high-speed 4 Mbit (4,194,304 bits) Flash memory device from STMicroelectronics, which is renowned for its reliability and performance. This non-volatile memory module is organized as 8 blocks of 64Kbytes each or 16 blocks of 32Kbytes each, making it highly versatile for a wide range of applications that require data and application code storage.

One of the standout features of the M29F400BB90N6T is its access time of 90ns, which ensures swift read operations, crucial for applications where time is of the essence. This makes it an excellent choice for embedded systems where speed is critical for performance.

The device operates within a supply voltage range of 4.5V to 5.5V, making it compatible with many microcontrollers and digital systems without the need for level shifting. Its programming voltage (VPP) is 12V, which is typical for Flash memory devices of this type.

Program and erase operations are performed on a block basis, allowing for flexibility in data management. The M29F400BB90N6T supports 100,000 program/erase cycles per block, ensuring a long lifespan even with frequent data updates. Furthermore, data retention is rated for a minimum of 20 years, providing long-term reliability for applications where data integrity over time is paramount.

The M29F400BB90N6T comes in a 44-pin TSOP (Thin Small Outline Package) which is suitable for surface mount technology (SMT) and offers a compact footprint for space-constrained applications. The package is designed to meet the rigorous standards of industrial and automotive applications, ensuring robustness and durability in harsh environments.

This memory device also features a variety of protection and security mechanisms, including a hardware protection mode that prevents accidental program or erase operations in specific memory blocks. Additionally, the M29F400BB90N6T is equipped with a status register that provides information on the completion of program or erase cycles and the presence of any errors, enhancing the ease of use and reliability of the device.

Overall, the M29F400BB90N6T from STMicroelectronics is an excellent choice for designers looking for a fast, reliable, and flexible Flash memory solution for their embedded systems or other applications requiring non-volatile memory storage.