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W39L040A-90B from WINBOND

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W39L040A-90B

Manufacturer: WINBOND

512K × 8 CMOS FLASH MEMORY

Partnumber Manufacturer Quantity Availability
W39L040A-90B,W39L040A90B WINBOND 5880 In Stock

Description and Introduction

512K × 8 CMOS FLASH MEMORY The **W39L040A-90B** is a 512K x 8-bit CMOS flash memory manufactured by **Winbond**. Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Organization:** 512K x 8 bits  
- **Operating Voltage:** 5V ±10%  
- **Access Time:** 90 ns  
- **Sector Architecture:**  
  - Eight 64K-byte uniform sectors  
- **Programming Voltage:** 5V (no external high voltage required)  
- **Endurance:** 10,000 program/erase cycles per sector (minimum)  
- **Data Retention:** 10 years (minimum)  

### **Descriptions & Features:**  
- **Low Power Consumption:**  
  - Active current: 30 mA (typical)  
  - Standby current: 100 µA (typical)  
- **Fast Programming & Erase:**  
  - Byte programming: 10 µs (typical)  
  - Sector erase: 1 second (typical)  
  - Chip erase: 10 seconds (typical)  
- **Hardware & Software Protection:**  
  - Sector lock/unlock via software commands  
  - WP# (Write Protect) pin for hardware protection  
- **Compatibility:**  
  - JEDEC-standard pinout  
  - Compatible with 5V-only systems  
- **Package Options:**  
  - 32-pin PLCC  
  - 32-pin TSOP  
- **Operating Temperature Range:**  
  - Commercial (0°C to +70°C)  
  - Industrial (-40°C to +85°C)  

This flash memory is designed for embedded systems, firmware storage, and other applications requiring non-volatile memory with fast access and reprogramming capabilities.

Application Scenarios & Design Considerations

512K × 8 CMOS FLASH MEMORY

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