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W29C020P-70 from WINBOND

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W29C020P-70

Manufacturer: WINBOND

256K X 8 CMOS FLASH MEMORY

Partnumber Manufacturer Quantity Availability
W29C020P-70,W29C020P70 WINBOND 4000 In Stock

Description and Introduction

256K X 8 CMOS FLASH MEMORY The W29C020P-70 is a 256K x 8-bit CMOS flash memory manufactured by Winbond. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Memory Size:** 256K x 8 bits (2 Mbit)  
- **Supply Voltage:** 5V ± 10%  
- **Access Time:** 70 ns  
- **Operating Current:** 30 mA (typical)  
- **Standby Current:** 100 µA (typical)  
- **Endurance:** 10,000 program/erase cycles  
- **Data Retention:** 10 years  
- **Package:** 32-pin DIP, PLCC, or TSOP  

### **Descriptions:**
- The W29C020P-70 is a 5V-only flash memory device with a uniform 4KB sector architecture.  
- It supports both byte and sector erase operations.  
- Compatible with JEDEC-standard pinouts for easy replacement of EPROMs.  
- Features a command-driven interface for programming and erasing.  

### **Features:**
- **Fast Read Access Time:** 70 ns  
- **Low Power Consumption:**  
  - Active current: 30 mA (typical)  
  - Standby current: 100 µA (typical)  
- **Sector Erase Capability:** 4KB sectors for flexible memory management.  
- **Automatic Program & Erase Algorithms:** Internal circuitry controls timing.  
- **Hardware Data Protection:** Prevents accidental writes during power transitions.  
- **Compatibility:** JEDEC-standard pinout for easy integration.  
- **Reliable Data Retention:** 10 years minimum.  

This device is commonly used in embedded systems, BIOS storage, and other applications requiring non-volatile memory.

Application Scenarios & Design Considerations

256K X 8 CMOS FLASH MEMORY

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