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W921E840A from WINBOND

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W921E840A

Manufacturer: WINBOND

4-BIT MICROCONTROLLER

Partnumber Manufacturer Quantity Availability
W921E840A WINBOND 232 In Stock

Description and Introduction

4-BIT MICROCONTROLLER The part **W921E840A** is manufactured by **Winbond**. Below are the specifications, descriptions, and features based on the available knowledge:  

### **Specifications:**  
- **Manufacturer:** Winbond  
- **Part Number:** W921E840A  
- **Type:** DRAM (Dynamic Random-Access Memory)  
- **Density:** 8Mbit (1M x 8)  
- **Organization:** 1,048,576 words × 8 bits  
- **Supply Voltage:** 3.3V  
- **Interface:** Parallel  
- **Speed:** Varies (check datasheet for exact speed grades)  
- **Package:** Typically available in SOP (Small Outline Package) or TSOP (Thin Small Outline Package)  

### **Descriptions:**  
- The **W921E840A** is a low-power CMOS DRAM designed for applications requiring high-speed data access.  
- It is commonly used in embedded systems, networking devices, and industrial applications.  
- The device supports fast page mode and static column mode operations for efficient memory access.  

### **Features:**  
- **Low Power Consumption:** Operates at 3.3V, reducing power usage.  
- **Fast Access Time:** Optimized for high-speed read/write operations.  
- **Wide Operating Temperature Range:** Suitable for industrial environments.  
- **Refresh Mechanism:** Supports both CAS-before-RAS (CBR) and hidden refresh modes.  
- **Compatibility:** Works with standard DRAM controllers.  

For exact timing parameters, pin configurations, and additional details, refer to the official **Winbond W921E840A datasheet**.

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