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XR82C684J from EXAR

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XR82C684J

Manufacturer: EXAR

CMOS QUAD CHANNEL UART (QUART)

Partnumber Manufacturer Quantity Availability
XR82C684J EXAR 320 In Stock

Description and Introduction

CMOS QUAD CHANNEL UART (QUART) The XR82C684J is a CMOS Universal Asynchronous Receiver/Transmitter (UART) manufactured by EXAR Corporation. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** EXAR  
- **Type:** UART (Universal Asynchronous Receiver/Transmitter)  
- **Technology:** CMOS  
- **Operating Voltage:** 5V  
- **Data Rate:** Up to 1.5 Mbps  
- **Package:** 44-Pin PLCC (Plastic Leaded Chip Carrier)  
- **Operating Temperature Range:** Commercial (0°C to +70°C)  

### **Descriptions:**
- The XR82C684J is a high-performance, full-duplex UART designed for serial communication applications.  
- It supports asynchronous data formats with programmable baud rates.  
- Features include FIFO buffers, modem control signals, and interrupt handling capabilities.  

### **Features:**
- **FIFO Buffers:** 16-byte transmit and receive FIFOs to reduce CPU overhead.  
- **Programmable Baud Rate:** Supports rates up to 1.5 Mbps.  
- **Modem Control Signals:** Includes CTS, RTS, DSR, DTR, RI, and DCD.  
- **Interrupt System:** Configurable interrupt sources for efficient data handling.  
- **Compatibility:** Pin-compatible with industry-standard UARTs like the 16C450/16C550.  
- **Low Power Consumption:** CMOS technology ensures efficient power usage.  

This information is based on EXAR's official documentation for the XR82C684J UART.

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