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INS8255N from NS,National Semiconductor

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INS8255N

Manufacturer: NS

PROGRAMMABLE PERIPHERAL INTERFACE

Partnumber Manufacturer Quantity Availability
INS8255N NS 20 In Stock

Description and Introduction

PROGRAMMABLE PERIPHERAL INTERFACE The INS8255N is a Programmable Peripheral Interface (PPI) chip manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Manufacturer:** National Semiconductor (NS)  
- **Part Number:** INS8255N  
- **Type:** Programmable Peripheral Interface (PPI)  
- **Operating Voltage:** 5V  
- **Package:** 40-pin DIP (Dual In-line Package)  
- **I/O Ports:** Three 8-bit ports (Port A, Port B, Port C)  
- **Modes of Operation:**  
  - **Mode 0:** Basic Input/Output  
  - **Mode 1:** Strobed Input/Output  
  - **Mode 2:** Bidirectional Bus  
- **Control Register:** 8-bit control register for mode configuration  
- **Compatibility:** TTL-compatible  

### **Descriptions:**  
The INS8255N is designed to interface with microprocessors, providing flexible I/O capabilities. It allows the CPU to communicate with peripheral devices by configuring its ports in different modes.  

### **Features:**  
- Three 8-bit I/O ports (A, B, C)  
- Port C can be split into two 4-bit ports  
- Supports three operating modes (Mode 0, Mode 1, Mode 2)  
- Direct bit set/reset capability for Port C  
- Fully TTL-compatible  
- Low power consumption  

This information is based solely on the manufacturer's specifications.

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