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M45PE40-VMW6TG from ST/Numon,ST Microelectronics

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M45PE40-VMW6TG

Manufacturer: ST/Numon, STM

4 Mbit, Low Voltage, Page-Erasable Serial Flash Memory With Byte-Alterability and a 33 MHz SPI Bus Interface

Partnumber Manufacturer Quantity Availability
M45PE40-VMW6TG,M45PE40VMW6TG ST/Numon, STM 12323 In Stock

Description and Introduction

4 Mbit, Low Voltage, Page-Erasable Serial Flash Memory With Byte-Alterability and a 33 MHz SPI Bus Interface The M45PE40-VMW6TG is a serial flash memory device manufactured by STMicroelectronics (ST/Numon). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Memory Type:** Serial NOR Flash  
- **Density:** 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 uniform sectors  
- **Page Size:** 256 bytes  
- **Write Protection:** Software and hardware protection options  
- **Endurance:** 100,000 write/erase cycles per sector  
- **Data Retention:** 20 years  
- **Package:** SO8 (150 mil)  

### **Descriptions:**  
- The M45PE40-VMW6TG is a high-performance SPI-compatible flash memory device designed for embedded systems requiring reliable non-volatile storage.  
- It supports standard SPI modes (0 and 3) for communication with microcontrollers and processors.  
- The device features a uniform sector architecture, allowing flexible data management.  

### **Features:**  
- **SPI Bus Interface:** Supports single-bit and optional dual-bit data transfer.  
- **Low Power Consumption:** Deep power-down mode for energy efficiency.  
- **Security Features:** Software and hardware write protection mechanisms.  
- **Fast Erase & Program:** Sector erase (4 KB) in 300 ms (typical), page program (256 bytes) in 1.4 ms (typical).  
- **Industrial Temperature Range:** -40°C to +85°C.  
- **JEDEC Standard:** Compliant with JEDEC SFDP (Serial Flash Discoverable Parameters).  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

4 Mbit, Low Voltage, Page-Erasable Serial Flash Memory With Byte-Alterability and a 33 MHz SPI Bus Interface

Alternative Part Number

  • W25Q40EWSNIG --: 4 Mbit SPI NOR flash in an 8-pin SOIC package, functionally equivalent to the M45PE40 and widely available from an alternate vendor.
  • S25FL004K0XMFI011 --: 4 Mbit SPI serial NOR flash with compatible command set and SOIC-8 footprint, suitable as a drop-in replacement.
  • MX25L4006EM1I-12G --: 4 Mbit SPI NOR flash in SOIC-8, pin-compatible and commonly used as a substitute for M45PE40 devices.

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