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XR16C864CQ/ from EXAR

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XR16C864CQ/

Manufacturer: EXAR

2.97V TO 5.5V QUAD UART WITH 128-BYTE FIFO

Partnumber Manufacturer Quantity Availability
XR16C864CQ/,XR16C864CQ EXAR 25 In Stock

Description and Introduction

2.97V TO 5.5V QUAD UART WITH 128-BYTE FIFO The XR16C864CQ is a quad UART (Universal Asynchronous Receiver/Transmitter) manufactured by Exar Corporation. Below are the key specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Exar Corporation  
- **Part Number:** XR16C864CQ  
- **Type:** Quad UART (4-channel)  
- **Data Rate:** Up to 6.25 Mbps per channel  
- **FIFO Depth:** 128 bytes (per channel for both Tx and Rx)  
- **Operating Voltage:** 3.3V or 5V  
- **Package:** 100-pin LQFP (Low-Profile Quad Flat Package)  
- **Interface:** Parallel (8-bit data bus)  
- **Clock Input:** Up to 62.5 MHz  
- **Operating Temperature Range:** Commercial (0°C to +70°C) or Industrial (-40°C to +85°C)  

### **Descriptions:**  
- The XR16C864CQ is a high-performance quad UART designed for applications requiring multiple serial ports.  
- It supports independent or shared interrupts for efficient data handling.  
- Features include automatic hardware and software flow control (RTS/CTS, XON/XOFF).  
- It is commonly used in networking, telecommunications, and embedded systems.  

### **Features:**  
- **Four Independent UART Channels:** Each with full-duplex operation.  
- **128-byte FIFOs:** Reduces CPU overhead by minimizing interrupts.  
- **Programmable Baud Rate:** Supports high-speed communication up to 6.25 Mbps.  
- **Auto RTS/CTS & XON/XOFF Flow Control:** Ensures reliable data transfer.  
- **Multi-drop Mode (9-bit):** Supports RS-485 applications.  
- **Infrared (IrDA) Encoder/Decoder:** Optional support for infrared communication.  
- **Sleep Mode:** Low-power operation for energy efficiency.  
- **Industrial Temperature Support:** Available in extended temperature range variants.  

This information is based on the manufacturer's datasheet and technical documentation. For detailed electrical characteristics and timing diagrams, refer to Exar's official datasheet for the XR16C864CQ.

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