The M45PE20VP is a 2 Mbit (256K x 8) Serial Paged Flash Memory, with advanced write protection mechanisms, manufactured by STMicroelectronics. The M45PE20VP is accessed by a high-speed SPI-compatible bus, and it is specifically designed for high-speed and high-density applications which require low power nonvolatile data storage.
Key Features
- Memory Size: 2 Mbit of Flash memory, organized as 256K x 8 bits, providing ample storage for firmware and parameter storage in a variety of applications.
- High-Speed Interface: The device supports Serial Peripheral Interface (SPI) with up to 75 MHz frequency for fast data transfer.
- Supply Voltage: It operates on a supply voltage range of 2.7V to 3.6V, making it suitable for low-power applications and battery-operated devices.
- Page Write Buffer: The memory offers a page write buffer of 256 bytes, allowing efficient programming for both small and large data updates.
- Write Protect: Advanced write protection mechanisms include a hardware Write Protect pin and Write Disable instructions for both hardware and software data protection.
- Endurance: High cycling endurance with typical 100,000 write cycles per sector, ensuring reliability and longevity of the stored data.
- Data Retention: Guarantees data retention for a minimum of 20 years, providing long-term data integrity.
- Temperature Range: The device operates within an industrial temperature range of -40°C to 85°C, making it robust and reliable in extreme conditions.
Applications
The M45PE20VP is ideal for a wide range of applications, including but not limited to:
- Embedded microcontroller storage
- Boot code storage in PCs, DSL routers, and other computer peripherals
- Parameter storage for industrial applications
- Smart cards and identification systems
- Consumer electronics
With its robust design and advanced features, the STMicroelectronics M45PE20VP Serial Flash Memory is an excellent choice for designers looking for a reliable and efficient nonvolatile memory solution.