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M25P40-VMN6PB from ST/Numon,ST Microelectronics

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M25P40-VMN6PB

Manufacturer: ST/Numon, ST

M25P40 3V 4Mb Serial Flash Embedded Memory

Partnumber Manufacturer Quantity Availability
M25P40-VMN6PB,M25P40VMN6PB ST/Numon, ST 29990 In Stock

Description and Introduction

M25P40 3V 4Mb Serial Flash Embedded Memory The M25P40-VMN6PB is a 4 Mbit (512 KB) serial flash memory device manufactured by STMicroelectronics (ST). Here are its key specifications, descriptions, and features:

### **Specifications:**
- **Memory Size:** 4 Mbit (512 KB)  
- **Interface:** SPI (Serial Peripheral Interface)  
- **Operating Voltage:** 2.7V to 3.6V  
- **Speed:** Up to 50 MHz clock frequency  
- **Sector Size:** 4 KB sectors (128 sectors total)  
- **Page Size:** 256 bytes  
- **Write Protection:** Software and hardware options  
- **Endurance:** 100,000 write/erase cycles per sector  
- **Data Retention:** 20 years  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SO8 (150 mil width)  

### **Descriptions:**
- The M25P40-VMN6PB is a non-volatile memory device designed for embedded systems requiring reliable data storage.  
- It supports SPI modes 0 and 3 for communication with microcontrollers.  
- Features a deep power-down mode for reduced standby current consumption.  

### **Features:**
- **SPI Bus Compatibility:** Works with standard SPI interfaces.  
- **Fast Read Operations:** Supports high-speed read access.  
- **Flexible Erase Options:** Sector erase (4 KB) or bulk erase (full chip).  
- **Write Protection:** Configurable via software (status register) or hardware (WP# pin).  
- **Low Power Consumption:** Optimized for battery-powered applications.  
- **Industrial-Grade Reliability:** Suitable for harsh environments.  

This device is commonly used in automotive, industrial, and consumer electronics applications.

Application Scenarios & Design Considerations

M25P40 3V 4Mb Serial Flash Embedded Memory

Alternative Part Number

  • W25X40CLSNIG --: Pin-compatible 4Mbit SPI serial flash in SOIC-8 with similar command set, widely used as a direct drop-in replacement.
  • S25FL004K0XMFI011 --: 4Mbit SPI NOR flash in SOIC-8 with compatible pinout and voltage range, suitable substitute for legacy ST parts.
  • AT25SF041-SSHD-T --: 4Mbit SPI serial flash in SOIC-8 offering equivalent density and interface, a viable alternative when the original is unavailable.
  • W25Q40EWSNIG --: Pin-compatible 4Mb SPI NOR flash in the same 8-pin SOIC package with equivalent command set, widely used as a drop-in replacement for M25P40 devices.

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