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UPD8251A from NEC

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UPD8251A

Manufacturer: NEC

PROGRAMMABLE COMMUNICATIONS INTERFACE

Partnumber Manufacturer Quantity Availability
UPD8251A NEC 467 In Stock

Description and Introduction

PROGRAMMABLE COMMUNICATIONS INTERFACE The UPD8251A is a Universal Synchronous Asynchronous Receiver Transmitter (USART) manufactured by NEC.  

### **Specifications:**  
- **Manufacturer:** NEC (Nippon Electric Company)  
- **Type:** USART (Universal Synchronous Asynchronous Receiver Transmitter)  
- **Data Format:**  
  - Synchronous: 5-8 bits per character  
  - Asynchronous: 5-8 bits per character with 1, 1.5, or 2 stop bits  
- **Baud Rate:**  
  - Asynchronous: Up to 19.2 kbps  
  - Synchronous: DC to 64 kbps  
- **Operating Voltage:** +5V  
- **Package:** 28-pin DIP (Dual In-line Package)  
- **Clock Input:** Single TTL-level clock  
- **Interrupt Capability:** Supports interrupt-driven operation  
- **Interface:** Compatible with Intel 8080/8085, Z80, and other microprocessors  

### **Descriptions and Features:**  
- The UPD8251A is designed for serial data communication in microprocessor-based systems.  
- It supports both synchronous and asynchronous communication modes.  
- Features include full-duplex operation, error detection (parity, framing, overrun), and programmable modes.  
- Includes a built-in baud rate generator for asynchronous mode.  
- Used in applications such as modems, terminals, and industrial control systems.  

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

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