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W29C020-90B from WINBOND

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W29C020-90B

Manufacturer: WINBOND

256K X 8 CMOS FLASH MEMORY

Partnumber Manufacturer Quantity Availability
W29C020-90B,W29C02090B WINBOND 6100 In Stock

Description and Introduction

256K X 8 CMOS FLASH MEMORY Here are the factual details about the part **W29C020-90B** from the manufacturer **WINBOND**:

### **Specifications:**
- **Manufacturer:** WINBOND  
- **Part Number:** W29C020-90B  
- **Memory Type:** Flash  
- **Memory Format:** EEPROM  
- **Memory Size:** 2 Mbit (256K x 8)  
- **Speed:** 90 ns  
- **Supply Voltage:** 5V  
- **Interface:** Parallel  
- **Operating Temperature:** Commercial (0°C to +70°C) or Industrial (-40°C to +85°C) (varies by model)  
- **Package:** 32-pin PLCC, 32-pin TSOP, or 32-pin PDIP  

### **Descriptions:**
- The **W29C020-90B** is a 2 Mbit (256K x 8) CMOS flash memory device with a 5V power supply.  
- It features a fast access time of **90 ns** and supports both **byte programming** and **sector erase** operations.  
- The device is designed for high-performance, low-power applications.  

### **Features:**
- **High-Speed Performance:** 90 ns access time.  
- **Low Power Consumption:**  
  - Active current: 30 mA (typical)  
  - Standby current: 100 µA (typical)  
- **Flexible Sector Architecture:**  
  - Uniform 4K-byte sectors for flexible erase and programming.  
- **Hardware Data Protection:**  
  - VCC detection prevents write operations during power transitions.  
- **Reliable Endurance:**  
  - 100,000 program/erase cycles per sector.  
- **Compatibility:**  
  - JEDEC-standard pinout and command set.  

This information is based on the manufacturer's datasheet for the **W29C020-90B**. For exact specifications, refer to WINBOND's official documentation.

Application Scenarios & Design Considerations

256K X 8 CMOS FLASH MEMORY

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