The M29F040-90N1 is a high-speed 4 Mbit (4,194,304 bits) Flash memory device from STMicroelectronics, renowned for its reliability and performance in a wide range of applications. This non-volatile memory chip features a 90 ns access time, making it an excellent choice for systems that require fast read operations and robust data retention.

Key Features

• Memory Capacity: 4 Mbit (512K x 8)
• Access Time: 90 ns
• Single Supply Voltage: 5V ± 10% for read and write operations
• Programming Voltage: 12V ± 0.5V
• Programming Time: 10 µs per byte/word typical
• Temperature Range: Operating temperature from -40°C to +85°C
• Package: The device is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package, making it suitable for compact PCB layouts.

Performance and Reliability

The M29F040-90N1 is designed for high-speed applications where data integrity is crucial. It features a fast read access time which is essential for performance-critical systems. The chip also includes a status register that provides details on the progress of internal operations, enhancing system control and reliability.

Flexible and Secure

This Flash memory chip provides flexible block erase capability, allowing users to erase blocks independently, which is ideal for code updating and data management without affecting the entire memory content. Additionally, the device offers a hardware protection feature that prevents accidental program or erase operations, ensuring the safety of your stored data.

Applications

The versatility of the M29F040-90N1 makes it suitable for a wide array of applications, including but not limited to embedded systems, telecommunications, automotive electronics, and portable devices. Its robustness in harsh environments and its ability to handle frequent program/erase cycles make it a reliable choice for mission-critical applications.

About STMicroelectronics

STMicroelectronics is a global semiconductor leader delivering intelligent and energy-efficient products and solutions that power the electronics at the heart of everyday life. ST's products are found everywhere today, and together with their customers, they are enabling smarter driving and smarter factories, cities, and homes, along with the next generation of mobile and Internet of Things devices.