2 Mbit, Low Voltage, Page-Erasable Serial Flash Memory With Byte-Alterability and a 25 MHz SPI Bus Interface The **M45PE20-VMP6G** is a serial flash memory device manufactured by **STMicroelectronics (ST)**. Below are the factual details about its specifications, descriptions, and features:
### **Specifications:**
- **Memory Type:** Serial NOR Flash
- **Density:** 2 Mbit (256 KB)
- **Interface:** SPI (Serial Peripheral Interface)
- **Operating Voltage:** 2.7V to 3.6V
- **Speed:** Up to 50 MHz clock frequency
- **Sector Size:** 4 KB uniform sectors
- **Page Size:** 256 bytes
- **Endurance:** 100,000 write/erase cycles per sector
- **Data Retention:** 20 years
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** SO8 (150 mil)
### **Descriptions:**
- The **M45PE20-VMP6G** is a **2 Mbit SPI NOR Flash** memory designed for embedded systems requiring reliable non-volatile storage.
- It supports **standard SPI modes (0 and 3)** for communication with microcontrollers.
- Features **uniform 4 KB sectors**, enabling flexible data management.
- Includes **software and hardware write protection** mechanisms to prevent accidental data corruption.
### **Features:**
- **SPI Bus Compatibility:** Supports standard SPI protocol with clock speeds up to **50 MHz**.
- **Low Power Consumption:** Optimized for battery-powered applications.
- **Flexible Erase Options:** Supports **sector erase (4 KB), block erase (64 KB), and chip erase**.
- **Write Protection:** Configurable via software (status register) or hardware (WP# pin).
- **Deep Power-Down Mode:** Reduces power consumption when inactive.
- **JEDEC Standard Manufacturer ID:** Ensures compatibility with industry standards.
This information is based solely on the manufacturer's datasheet and technical documentation.
