STMicroelectronics M29F400B-90M1 Flash Memory

The M29F400B-90M1 is a high-speed 4 Mbit (4,194,304 bits) Flash memory device from the renowned semiconductor manufacturer STMicroelectronics. It is designed to deliver reliable data storage and quick access times, making it an ideal choice for a wide range of applications that require non-volatile memory storage with the capability of multiple program and erase cycles.

Key Features

• Memory Capacity: 4 Mbit (512K x 8 or 256K x 16)
• Access Time: 90ns, ensuring quick read operations.
• Programming Time: 10µs per byte/word typical, which allows for efficient writing of data.
• Operating Modes: Includes Read, Program, and Erase modes, providing versatility in application.
• Boot Block: Features a boot block that can be protected from program and erase operations, securing critical code such as firmware or bootloaders.
• Low Power Consumption: Offers low power consumption with automatic standby mode, which is ideal for power-sensitive devices.
• Flexible Sector Architecture: Provides two 16 Kbit, one 8 Kbit, one 32 Kbit, and seven 64 Kbit sectors (bottom boot block approach).
• Extended Temperature Range: Suitable for industrial applications with an operating temperature range from -40°C to +85°C.
• Package Type: Available in a 44-pin SOP (Plastic Small Outline Package).

Applications

The M29F400B-90M1 is designed to meet the rigorous demands of advanced electronic applications. It is commonly used in:

• Automotive electronics
• Telecommunication devices
• Embedded systems
• Boot memory for computers and processors
• Industrial control systems

Reliability and Support

STMicroelectronics provides extensive support and documentation for the M29F400B-90M1, ensuring that designers can integrate this Flash memory into their projects with confidence. The device also undergoes rigorous testing and quality control measures, providing a reliable storage solution that designers and engineers can depend on.