Overview
The Micron M25PE40-VMN6P is a 4Mb serial Flash memory device produced by Micron Technology Inc. This device is accessed through a high-speed SPI-compatible bus, making it suitable for a wide range of applications requiring non-volatile memory. The M25PE40 offers page-erasable Flash memory with advanced features such as byte alterability, high-speed data transfer, and robust protection mechanisms.
Key Specifications
| Specification | Value |
|---|---|
| Memory Capacity | 4Mb (512Kb x 8 bit) |
| Supply Voltage | 2.7V to 3.6V |
| Clock Rate | Up to 75 MHz |
| Page Size | 256 bytes |
| Page Write Time | 11ms (typical) |
| Page Program Time | 0.8ms (typical) |
| Page Erase Time | 10ms (typical) |
| Subsector Erase Size | 4KB |
| Sector Erase Size | 64KB |
| Bulk Erase Size | 4Mb |
| Deep Power-Down Current | 1µA (typical) |
| Write Cycles | More than 100,000 cycles |
| Data Retention | More than 20 years |
| Packages | VFQFPN8 (MP), SO8W (MW), SO8N (MN) |
Key Features
- High-Speed SPI Interface: Compatible with SPI bus, supporting clock rates up to 75 MHz.
- Byte Alterability: Allows writing or programming 1 to 256 bytes at a time using PAGE WRITE or PAGE PROGRAM commands.
- Advanced Erase Capabilities: Supports page, subsector, sector, and bulk erase operations.
- Protection Mechanisms: Software and hardware write protection on a 64KB sector basis.
- Low Power Consumption: Deep power-down mode with a current of 1µA (typical).
- Reliability: More than 100,000 write cycles and more than 20 years of data retention.
- Automotive Grade: Available in automotive grade parts for robust performance in harsh environments.
Applications
- Automotive Systems: Suitable for use in automotive electronics due to its robustness and reliability.
- Industrial Control Systems: Ideal for industrial applications requiring non-volatile memory with high endurance.
- Consumer Electronics: Used in various consumer devices such as set-top boxes, gaming consoles, and other electronic appliances.
- Medical Devices: Applicable in medical devices where data integrity and long-term retention are critical.
- IoT Devices: Suitable for Internet of Things (IoT) devices that require efficient and reliable non-volatile memory.
Q & A
- What is the memory capacity of the M25PE40?
The M25PE40 has a memory capacity of 4Mb (512Kb x 8 bit).
- What is the operating voltage range of the M25PE40?
The operating voltage range is 2.7V to 3.6V.
- What is the maximum clock rate supported by the M25PE40?
The maximum clock rate is up to 75 MHz.
- How many write cycles can the M25PE40 endure?
The M25PE40 can endure more than 100,000 write cycles.
- What is the data retention period of the M25PE40?
The data retention period is more than 20 years.
- What types of erase operations are supported by the M25PE40?
The M25PE40 supports page, subsector, sector, and bulk erase operations.
- Does the M25PE40 have any power-saving features?
- What are the available package options for the M25PE40?
The available packages are VFQFPN8 (MP), SO8W (MW), and SO8N (MN).
- Is the M25PE40 suitable for automotive applications?
- How does the M25PE40 protect data?
The M25PE40 offers both software and hardware write protection on a 64KB sector basis.
