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PC16550DN from NS,National Semiconductor

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PC16550DN

Manufacturer: NS

Universal Asynchronous Receiver/Transmitter with FIFO's

Partnumber Manufacturer Quantity Availability
PC16550DN NS 77 In Stock

Description and Introduction

Universal Asynchronous Receiver/Transmitter with FIFO's The **PC16550DN** from National Semiconductor is a highly reliable **Universal Asynchronous Receiver/Transmitter (UART)** designed for efficient serial data communication. This integrated circuit is widely used in applications requiring serial-to-parallel and parallel-to-serial data conversion, such as modems, industrial control systems, and embedded computing.  

Featuring a **16-byte FIFO buffer**, the PC16550DN significantly reduces CPU overhead by minimizing interrupt requests during high-speed data transfers. It supports baud rates up to **1.5 Mbps**, making it suitable for demanding communication environments. The device is compatible with the industry-standard **16550 UART**, ensuring seamless integration into existing designs.  

Key functionalities include programmable baud rate generation, modem control signals, and interrupt handling. Its **5V operation** and **40-pin DIP package** provide a robust and straightforward solution for serial interface requirements. Additionally, the PC16550DN includes error detection capabilities for parity, framing, and overrun conditions, enhancing data integrity.  

Engineers favor this component for its **low power consumption**, **high noise immunity**, and **ease of implementation**, making it a preferred choice for legacy and modern serial communication systems alike. Its proven performance and reliability have cemented its place in both industrial and commercial applications.

Application Scenarios & Design Considerations

Universal Asynchronous Receiver/Transmitter with FIFO's

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