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UPD8088D-2

High-performance 8-bit microprocessor, 8MHz

Partnumber Manufacturer Quantity Availability
UPD8088D-2,UPD8088D2 900 In Stock

Description and Introduction

High-performance 8-bit microprocessor, 8MHz The UPD8088D-2 is a microprocessor manufactured by NEC (Nippon Electric Company). Here are its specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** NEC (Nippon Electric Company)  
- **Part Number:** UPD8088D-2  
- **Type:** 8/16-bit Microprocessor  
- **Clock Speed:** 5 MHz  
- **Data Bus Width:** 8-bit (externally), 16-bit (internally)  
- **Address Bus Width:** 20-bit (supports up to 1 MB of memory)  
- **Instruction Set:** Compatible with Intel 8088  
- **Process Technology:** NMOS  
- **Operating Voltage:** 5V  
- **Package Type:** 40-pin DIP (Dual In-line Package)  

### **Descriptions:**
- The UPD8088D-2 is a second-source version of the Intel 8088 microprocessor.  
- It was widely used in early personal computers, including IBM PC and PC-compatible systems.  
- The processor features an 8-bit external data bus, allowing compatibility with cheaper 8-bit peripherals while internally processing 16-bit data.  

### **Features:**
- **8088 Architecture:** Fully compatible with the Intel 8088 instruction set.  
- **Memory Addressing:** Supports 1 MB of memory via its 20-bit address bus.  
- **Interrupt Handling:** Includes hardware interrupt support (NMI, INTR).  
- **On-Chip Clock Generator:** Requires an external crystal or clock input.  
- **DMA Support:** Compatible with DMA controllers for efficient data transfer.  
- **Low Power Consumption:** Designed for efficiency in early computing systems.  

This information is based on the original specifications of the UPD8088D-2 microprocessor.

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