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INS8251N from NSC,National Semiconductor

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INS8251N

Manufacturer: NSC

7 V, programmable communication unterface

Partnumber Manufacturer Quantity Availability
INS8251N NSC 6 In Stock

Description and Introduction

7 V, programmable communication unterface The INS8251N is a Universal Synchronous Asynchronous Receiver Transmitter (USART) manufactured by National Semiconductor Corporation (NSC).  

### **Specifications:**  
- **Manufacturer:** National Semiconductor (NSC)  
- **Type:** USART (Universal Synchronous/Asynchronous Receiver-Transmitter)  
- **Data Format:**  
  - Synchronous: 5-8 bits per character  
  - Asynchronous: 5-8 bits per character, with optional parity  
- **Baud Rate:** Up to 64K baud (synchronous), 19.2K baud (asynchronous)  
- **Operating Voltage:** +5V  
- **Package:** 28-pin DIP (Dual In-line Package)  
- **Interface:** Parallel (to CPU), Serial (to modem or peripheral)  
- **Clock Input:** Single TTL-compatible clock  

### **Descriptions & Features:**  
- Provides full-duplex communication.  
- Supports both synchronous and asynchronous modes.  
- Programmable baud rate generator.  
- Includes error detection (parity, overrun, framing).  
- Compatible with Intel and other microprocessor systems.  
- Features a modem control section for handshaking signals (RTS, CTS, DSR, DTR).  
- Includes a double-buffered transmitter and receiver.  

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

Application Scenarios & Design Considerations

7 V, programmable communication unterface

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