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M25P40-VMN6TP from STM,ST Microelectronics

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M25P40-VMN6TP

Manufacturer: STM, ST

4 Mbit, Low Voltage, Serial Flash Memory With 40MHz SPI Bus Interface
Partnumber Manufacturer Quantity Availability
M25P40-VMN6TP,M25P40VMN6TP STM, ST 11385 In Stock

Description and Introduction

4 Mbit, Low Voltage, Serial Flash Memory With 40MHz SPI Bus Interface The **M25P40-VMN6TP** is a serial flash memory device manufactured by **STMicroelectronics (STM)**. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Memory Type:** Serial NOR Flash  
- **Density:** 4 Mbit (512 KB)  
- **Interface:** SPI (Serial Peripheral Interface)  
- **Operating Voltage:** 2.7V to 3.6V  
- **Speed:**  
  - Clock Frequency: Up to 50 MHz  
  - Data Transfer Rate: 50 Mbps (maximum)  
- **Sector Size:**  
  - Uniform 64 KB sectors  
  - 256-byte programmable page size  
- **Endurance:**  
  - 100,000 write/erase cycles per sector  
- **Data Retention:**  
  - 20 years (minimum)  
- **Operating Temperature Range:**  
  - Industrial: -40°C to +85°C  

### **Descriptions:**  
- The **M25P40-VMN6TP** is a **4 Mbit (512 KB) SPI NOR Flash** memory designed for embedded systems requiring non-volatile storage.  
- It supports **SPI modes 0 and 3** for communication with microcontrollers.  
- Features **deep power-down mode** for ultra-low standby current consumption.  
- Includes **software and hardware write protection** mechanisms to prevent accidental data corruption.  

### **Features:**  
- **SPI Bus-Compatible Interface** (supports standard, dual, and quad SPI modes)  
- **Fast Read & Program Operations** (50 MHz clock speed)  
- **Sector Erase (64 KB) & Bulk Erase (Full Chip)**  
- **Write Protection:**  
  - Software-controlled block protection  
  - Hardware (WP# pin) protection  
- **Low Power Consumption:**  
  - Active Read Current: 15 mA (typical)  
  - Standby Current: 5 µA (typical)  
  - Deep Power-Down Current: 1 µA (typical)  
- **Packaging:**  
  - **8-lead SOIC (150 mil)**  
  - **8-contact WLCSP (Wafer-Level Chip Scale Package)**  

This device is commonly used in **automotive, industrial, consumer electronics, and networking applications** requiring reliable non-volatile storage.  

(Source: STMicroelectronics Datasheet)

Application Scenarios & Design Considerations

4 Mbit, Low Voltage, Serial Flash Memory With 40MHz SPI Bus Interface

Alternative Part Number

  • W25Q40CLSNIG --: Pin-compatible 4Mb SPI NOR flash in SOIC-8 with similar command set and voltage range, widely available and often used as a drop-in replacement.
  • S25FL004K0XMFI011 --: 4Mb SPI NOR flash in SOIC-8 with compatible SPI interface and comparable performance, suitable for code storage applications.
  • MX25L4006EM1I-12G --: 4Mb serial SPI NOR flash in SOIC-8 with standard SPI commands and similar operating voltage, a common alternative for legacy M25P40 designs.
  • W25X40CLSNIG --: Pin-compatible 4Mbit SPI NOR flash in the same SOIC-8 package with comparable voltage range and speed, widely used as a drop-in replacement for M25P40 devices.
  • AT25SF041-SSHD-T --: 4Mbit SPI serial flash in SOIC-8 with compatible pinout and voltage range, offering a reliable alternative when the ST part is unavailable.

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