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IS82C89 from INTERSIL

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IS82C89

Manufacturer: INTERSIL

CMOS Bus Arbiter

Partnumber Manufacturer Quantity Availability
IS82C89 INTERSIL 16 In Stock

Description and Introduction

CMOS Bus Arbiter The **IS82C89** is a CMOS **Priority Interrupt Controller** manufactured by **Intersil**. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Intersil  
- **Technology:** CMOS  
- **Function:** Priority Interrupt Controller  
- **Compatibility:** Fully compatible with the Intel 8259A  
- **Operating Voltage:** 5V  
- **Package:** Available in 28-pin DIP and PLCC packages  
- **Operating Temperature Range:** Commercial (0°C to +70°C) and Industrial (-40°C to +85°C) versions  

### **Descriptions:**  
- The IS82C89 is a high-performance CMOS version of the industry-standard 8259A Priority Interrupt Controller.  
- It manages up to **8 interrupt requests** and can be cascaded to handle **64 interrupt levels**.  
- Designed for use in microprocessor-based systems to prioritize and manage interrupt requests efficiently.  

### **Features:**  
- **Fully compatible** with Intel 8259A in function and pinout.  
- **Low power consumption** due to CMOS technology.  
- **Programmable interrupt modes**, including fully nested, rotating priority, and polled modes.  
- **Edge and level-triggered interrupt inputs**.  
- **Buffered and non-buffered modes** for system flexibility.  
- **Automatic end-of-interrupt (EOI) mode** support.  
- **28-pin DIP and PLCC packaging** for easy integration.  

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

Application Scenarios & Design Considerations

CMOS Bus Arbiter
Partnumber Manufacturer Quantity Availability
IS82C89 INTERSIL 65 In Stock

Description and Introduction

CMOS Bus Arbiter The IS82C89 is a CMOS Octal Bus Transceiver manufactured by Intersil. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Technology:** CMOS  
- **Supply Voltage (VCC):** 4.5V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Logic Family:** 82C  
- **Package Type:** 20-pin DIP, SOIC, or PLCC  

### **Descriptions:**
- The IS82C89 is a bidirectional octal bus transceiver designed for asynchronous communication between data buses.  
- It allows data transmission in both directions (A to B or B to A) based on the direction control input.  
- Suitable for interfacing between microprocessors and peripheral devices in industrial and commercial applications.  

### **Features:**
- **Bidirectional Data Flow:** Controlled by DIR (Direction) and OE (Output Enable) pins.  
- **High-Speed Operation:** Compatible with high-performance microprocessor systems.  
- **Low Power Consumption:** CMOS technology ensures low static and dynamic power dissipation.  
- **3-State Outputs:** Allows connection to a shared bus without interference.  
- **ESD Protection:** Provides protection against electrostatic discharge.  
- **Wide Operating Voltage Range:** Supports standard 5V logic levels.  

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

Application Scenarios & Design Considerations

CMOS Bus Arbiter

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