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MD82C50A-5/B from INTERSIL

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MD82C50A-5/B

Manufacturer: INTERSIL, HAR

CMOS Asynchronous Communications Element

Partnumber Manufacturer Quantity Availability
MD82C50A-5/B,MD82C50A5B INTERSIL, HAR 324 In Stock

Description and Introduction

CMOS Asynchronous Communications Element # **MD82C50A-5/B: A High-Performance Asynchronous Communications Interface**  

The **MD82C50A-5/B** is a versatile and reliable **asynchronous communications interface adapter (ACIA)** designed for high-speed data transmission in embedded systems, industrial applications, and telecommunications. Built with precision and efficiency in mind, this component ensures seamless serial communication between microprocessors and peripheral devices.  

## **Key Features**  

- **High-Speed Operation**: With a clock frequency of **5 MHz**, the MD82C50A-5/B supports fast and accurate data transfer, making it ideal for real-time applications.  
- **Programmable Baud Rates**: Flexible baud rate generation allows customization to match system requirements, ensuring compatibility with various communication standards.  
- **Full-Duplex Operation**: Supports simultaneous transmission and reception of data, enhancing system efficiency.  
- **Error Detection**: Built-in parity checking, framing error detection, and overrun error detection improve data integrity.  
- **Wide Compatibility**: Interfaces seamlessly with popular microprocessors, including the **Intel 8080/8085 and Zilog Z80 families**.  

## **Applications**  

The MD82C50A-5/B is widely used in:  
- **Industrial automation systems**  
- **Telecommunication equipment**  
- **Point-of-sale (POS) terminals**  
- **Embedded computing solutions**  
- **Data acquisition systems**  

Engineers and developers benefit from its **low power consumption, robust design, and reliable performance**, making it a preferred choice for demanding serial communication tasks.  

For applications requiring **high-speed, error-free data transfer**, the **MD82C50A-5/B** delivers exceptional performance and adaptability. Its proven architecture and industry-standard compatibility ensure seamless integration into a wide range of electronic systems.  

Whether upgrading an existing design or developing a new communication interface, the **MD82C50A-5/B** provides the reliability and precision needed for optimal performance.

Application Scenarios & Design Considerations

CMOS Asynchronous Communications Element

Alternative Part Number

  • SCC2691AC1A44 --: Pin-compatible UART with similar asynchronous serial function and 5V operation, widely available as a direct functional substitute.
  • ST16C550CJ44 --: Industry-standard 16C550-type UART offering equivalent serial communication features and compatible bus interface.
  • TL16C550CFN --: Well-established 16C550-compatible UART with similar register set and 5V supply, suitable as a functional replacement.
  • 8250A --: Original Intel UART that the MD82C50A is a second-source clone of; same asynchronous serial interface and pinout, widely available as a replacement.
  • SCC2691 --: Single-channel UART with similar asynchronous serial functionality and register-level compatibility, usable as a functional substitute in many designs.
  • TL16C550C --: Industry-standard UART with FIFO, commonly used to replace older 8250-family devices when minor board-level adaptation is acceptable.

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