The M29W400DB is a 4 Mbit (512Kb x8 or 256Kb x16) non-volatile flash memory module from STMicroelectronics that combines high performance with the convenience of a low-voltage power supply. This memory device is an ideal choice for a wide range of embedded applications where reliable and efficient data storage is essential.
Key Features
- Memory Capacity: The device offers a total storage capacity of 4 Megabits, organized as either 512K bytes (8-bit mode) or 256K words (16-bit mode), providing flexibility for various application requirements.
- Supply Voltage: It operates on a single supply voltage in the range of 2.7V to 3.6V, making it suitable for low-power applications and compatible with modern microcontroller logic levels.
- Access Time: Fast read access time down to 70ns enables quick data retrieval, enhancing overall system responsiveness.
- Programming: The M29W400DB features byte and word programming, allowing for precise data management and manipulation. The programming time is also optimized for efficient operations.
- Erase Capabilities: The device supports block erase and chip erase functions, providing design flexibility and ease of data management. Each block can be erased separately, ensuring data integrity for the rest of the memory.
- Boot Block: A dedicated boot block at the top or bottom of the memory map is designed to store secure code for system boot-up processes.
- Security: It includes hardware protection features that prevent accidental program or erase operations in specific memory areas, safeguarding critical data.
Applications
The M29W400DB is versatile and can be used in a variety of applications including, but not limited to:
- Embedded microcontroller storage
- Boot memory for computers and communication devices
- Firmware storage and updates for consumer electronics
- Automotive systems requiring reliable non-volatile memory
With its robust design and reliable performance, the M29W400DB from STMicroelectronics is a premier choice for designers looking to incorporate a dependable flash memory solution into their products.
