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W39V040BP from WINBIND

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W39V040BP

Manufacturer: WINBIND

512K × 8 CMOS FLASH MEMORY WITH LPC INTERFACE

Partnumber Manufacturer Quantity Availability
W39V040BP WINBIND 185 In Stock

Description and Introduction

512K × 8 CMOS FLASH MEMORY WITH LPC INTERFACE The W39V040BP is a 4M-bit (512K x 8) 3.3V-only CMOS flash memory manufactured by Winbond.  

### **Specifications:**  
- **Density:** 4M-bit (512K x 8)  
- **Voltage Supply:** 3.3V (VCC = 2.7V to 3.6V)  
- **Access Time:** 70ns  
- **Sector Architecture:**  
  - Eight 64K-byte sectors  
  - One hundred twenty-seven 4K-byte sectors  
  - One 8K-byte sector  
  - Two 16K-byte sectors  
- **Operating Current:**  
  - Read: 15mA (typical)  
  - Program/Erase: 30mA (typical)  
  - Standby: 1µA (typical)  
- **Endurance:** 100,000 program/erase cycles per sector  
- **Data Retention:** 20 years  

### **Features:**  
- **Single Power Supply Operation:** 3.3V for read, program, and erase  
- **Command Set Compatibility:** JEDEC standard  
- **Sector Erase Capability:** Supports flexible sector erase  
- **Hardware Data Protection:**  
  - VCC lockout when VCC < 2.5V  
  - Write protection via WP# pin  
- **Software Data Protection:** Supports JEDEC-standard software protection  
- **Package Options:** 32-pin PLCC, 32-pin TSOP, and 32-pin PDIP  

This flash memory is designed for applications requiring reliable, high-performance non-volatile storage with low power consumption.

Application Scenarios & Design Considerations

512K × 8 CMOS FLASH MEMORY WITH LPC INTERFACE
Partnumber Manufacturer Quantity Availability
W39V040BP WINBOND 5120 In Stock

Description and Introduction

512K × 8 CMOS FLASH MEMORY WITH LPC INTERFACE The W39V040BP is a 4M-bit (512K x 8) 3.3V-only CMOS flash memory manufactured by Winbond. Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Memory Size:** 4M-bit (512K x 8)  
- **Supply Voltage:** 3.3V (VCC = 3.0V to 3.6V)  
- **Access Time:** 70 ns (max)  
- **Operating Current:** 15 mA (typical read), 30 mA (typical program/erase)  
- **Standby Current:** 1 µA (typical)  
- **Sector Architecture:**  
  - Eight 4K-byte uniform sectors  
  - One 16K-byte boot block  
  - One 8K-byte parameter block  
  - Seven 32K-byte main blocks  
- **Endurance:** 100,000 program/erase cycles (minimum)  
- **Data Retention:** 20 years (minimum)  

### **Descriptions:**  
- The W39V040BP is a 3.3V-only flash memory device designed for systems requiring non-volatile storage.  
- It supports both byte and word programming with an automatic programming algorithm.  
- The device features a hardware data protection mechanism to prevent accidental writes.  
- It is compatible with JEDEC-standard commands for in-system programming.  

### **Features:**  
- **Single 3.3V Power Supply** (no 5V required)  
- **Low Power Consumption** (1 µA standby current)  
- **Fast Read Access Time** (70 ns max)  
- **Sector Erase Capability** (4K, 8K, 16K, and 32K blocks)  
- **Automatic Program/Erase Algorithms**  
- **Hardware Data Protection** (WP# pin for write protection)  
- **JEDEC Standard Command Set**  
- **TSOP 32-pin Package**  

This information is sourced from Winbond's official documentation.

Application Scenarios & Design Considerations

512K × 8 CMOS FLASH MEMORY WITH LPC INTERFACE

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