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XR82C684J/ from EXAR

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XR82C684J/

Manufacturer: EXAR

CMOS QUAD CHANNEL UART (QUART)

Partnumber Manufacturer Quantity Availability
XR82C684J/,XR82C684J EXAR 45 In Stock

Description and Introduction

CMOS QUAD CHANNEL UART (QUART) Here are the factual details about the **XR82C684J** from the manufacturer **EXAR**:

### **Specifications:**
- **Manufacturer:** EXAR  
- **Part Number:** XR82C684J  
- **Type:** CMOS Asynchronous Communications Element (ACE)  
- **Function:** Dual UART (Universal Asynchronous Receiver/Transmitter)  
- **Data Rate:** Up to 1.5 Mbps  
- **Operating Voltage:** 5V  
- **Operating Temperature Range:** Commercial (0°C to +70°C)  
- **Package:** PLCC (Plastic Leaded Chip Carrier)  
- **Pin Count:** 44  

### **Descriptions:**
- The XR82C684J is a high-performance dual UART designed for asynchronous serial communication.  
- It supports full-duplex operation with independent baud rate generators for each channel.  
- Features include programmable data formats, modem control signals, and interrupt handling.  
- Suitable for applications in industrial control, networking, and embedded systems.  

### **Features:**
- **Dual UART Channels:** Two independent serial ports.  
- **Programmable Baud Rate:** Up to 1.5 Mbps.  
- **Data Formats:** 5, 6, 7, or 8 bits per character; 1, 1.5, or 2 stop bits.  
- **Modem Control Signals:** Includes RTS, CTS, DTR, DSR, CD, and RI.  
- **Interrupt System:** Supports prioritized interrupts with vectoring.  
- **FIFO Buffers:** 16-byte transmit and receive FIFOs per channel.  
- **CMOS Technology:** Low power consumption.  
- **Compatibility:** TTL-compatible inputs and outputs.  

For exact electrical characteristics and timing diagrams, refer to the official **EXAR datasheet** for the **XR82C684J**.

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