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XR16C854CQ- from EXAR

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XR16C854CQ-

Manufacturer: EXAR

QUAD UART WITH RX/TX FIFO COUNTERS,128-BYTE FIFO

Partnumber Manufacturer Quantity Availability
XR16C854CQ-,XR16C854CQ EXAR 147 In Stock

Description and Introduction

QUAD UART WITH RX/TX FIFO COUNTERS,128-BYTE FIFO Here are the factual details about the **XR16C854CQ** manufactured by **EXAR**:

### **Specifications:**
- **Manufacturer:** EXAR  
- **Part Number:** XR16C854CQ  
- **Type:** Quad UART (Universal Asynchronous Receiver/Transmitter)  
- **Interface:** Parallel  
- **Data Rate:** Up to 6.25 Mbps  
- **Number of Channels:** 4  
- **FIFO Depth:** 128 bytes (per channel)  
- **Voltage Supply:** 3.3V or 5V  
- **Operating Temperature Range:** Commercial (0°C to +70°C)  
- **Package:** LQFP (Low-Profile Quad Flat Package)  

### **Descriptions:**
- The **XR16C854CQ** is a quad UART IC designed for high-performance serial communication.  
- It supports four independent UART channels, each with 128-byte FIFOs for efficient data buffering.  
- Compatible with industry-standard 16C450/16C550 UARTs but with enhanced features.  
- Suitable for applications requiring multiple serial ports, such as networking, industrial automation, and embedded systems.  

### **Features:**
- **128-byte FIFO per channel** (reduces CPU overhead).  
- **Programmable baud rate** (up to 6.25 Mbps).  
- **Support for 5V or 3.3V operation.**  
- **Hardware and software flow control** (RTS/CTS, XON/XOFF).  
- **Auto RTS/CTS handshaking.**  
- **Infrared (IrDA) encoder/decoder support (1.0 mode).**  
- **Sleep mode for power savings.**  
- **Industrial temperature range option available (XR16C854IQ).**  

For further technical details, refer to the official **EXAR datasheet** for the **XR16C854CQ**.

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