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ID82C89 from INTERSIL

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ID82C89

Manufacturer: INTERSIL

CMOS Bus Arbiter

Partnumber Manufacturer Quantity Availability
ID82C89 INTERSIL 3 In Stock

Description and Introduction

CMOS Bus Arbiter The **82C89** is a **bus arbiter** manufactured by **Intersil**. Here are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Intersil  
- **Type:** Bus Arbiter  
- **Technology:** CMOS  
- **Operating Voltage:** Typically 5V  
- **Package:** Available in DIP (Dual In-line Package) and other standard IC packages  

### **Descriptions:**
- The **82C89** is designed to manage **bus arbitration** in multi-master microprocessor systems.  
- It ensures orderly access to shared system buses, preventing conflicts between multiple devices (e.g., CPUs, DMA controllers).  
- Compatible with **Intel 8086/8088, 80186, and 80286** microprocessors.  

### **Features:**
- **Multi-Master Support:** Allows multiple processors or bus masters to share a common bus.  
- **Priority-Based Arbitration:** Uses a priority scheme to determine bus ownership.  
- **Cascadable:** Multiple 82C89 units can be cascaded for larger systems.  
- **Low Power Consumption:** CMOS technology ensures efficient power usage.  
- **Three-State Outputs:** Supports high-impedance states for bus isolation.  

This information is based on the manufacturer's datasheet and technical documentation.

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