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M50FLW040B from ST,ST Microelectronics

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M50FLW040B

Manufacturer: ST

4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory

Partnumber Manufacturer Quantity Availability
M50FLW040B ST 15 In Stock

Description and Introduction

4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory The **M50FLW040B** is a flash memory device manufactured by **STMicroelectronics (ST)**. Below are the factual specifications, descriptions, and features based on the available knowledge:

### **Specifications:**
- **Memory Type:** NOR Flash  
- **Density:** 4 Mbit (512 KB)  
- **Organization:** 512K x 8 bits or 256K x 16 bits  
- **Supply Voltage:** 2.7V to 3.6V  
- **Access Time:** 70 ns (max)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Options:**  
  - SOIC-44  
  - TSOP-44  

### **Descriptions:**
- The **M50FLW040B** is a high-performance **4 Mbit NOR Flash memory** with a **uniform sector architecture**.  
- It supports **both 8-bit and 16-bit data bus configurations** for flexible interfacing.  
- It is designed for **low-power operation**, making it suitable for embedded applications.  

### **Features:**
- **Uniform Sector Erase:**  
  - **Eight 64 KB sectors** for flexible memory management.  
- **High-Speed Read Operations:**  
  - **70 ns access time** for fast data retrieval.  
- **Low Power Consumption:**  
  - **Standby current:** 1 µA (typical)  
  - **Active read current:** 10 mA (typical)  
- **Reliable Data Retention:**  
  - **20 years** at 85°C  
  - **100,000 erase/program cycles** per sector  
- **Software Data Protection (SDP):**  
  - Prevents accidental writes or erasures.  
- **Hardware Reset (RESET# Pin):**  
  - Allows system-level reset.  
- **Compatibility:**  
  - **JEDEC-standard pinout** for easy replacement.  
  - **Supports CFI (Common Flash Interface)** for device identification.  

This information is based on the manufacturer's datasheet and technical documentation. For exact details, refer to the official **STMicroelectronics datasheet for M50FLW040B**.

Application Scenarios & Design Considerations

4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory

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