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XR16L2550. from EXAR

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XR16L2550.

Manufacturer: EXAR

LOW VOLTAGE DUART WITH 16-BYTE FIFO

Partnumber Manufacturer Quantity Availability
XR16L2550.,XR16L2550 EXAR 15 In Stock

Description and Introduction

LOW VOLTAGE DUART WITH 16-BYTE FIFO The **XR16L2550** is a dual universal asynchronous receiver and transmitter (DUART) manufactured by **Exar Corporation** (now part of **MaxLinear**). Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Interface:** UART (Universal Asynchronous Receiver/Transmitter)  
- **Number of Channels:** 2 (Dual UART)  
- **Data Rate:** Up to **3 Mbps**  
- **Data Bits:** 5, 6, 7, or 8 bits  
- **Stop Bits:** 1, 1.5, or 2 bits  
- **Parity:** Odd, Even, None, or Forced  
- **FIFO Depth:** 64 bytes (per channel)  
- **Voltage Supply:** **3.3V or 5V** operation  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package Options:** 48-pin LQFP, 44-pin PLCC  

### **Descriptions:**  
- The **XR16L2550** is a high-performance **dual UART** with **64-byte FIFOs** for both transmit and receive operations.  
- It supports **auto-hardware and software flow control** (RTS/CTS, XON/XOFF).  
- Designed for **industrial, networking, and embedded applications** requiring reliable serial communication.  
- Features **low power consumption** and **programmable baud rate generators**.  

### **Features:**  
- **64-byte TX and RX FIFOs** (per channel) reduce CPU overhead.  
- **Programmable baud rate generator** with fractional divider.  
- **Auto RTS/CTS hardware flow control** and **XON/XOFF software flow control**.  
- **Infrared (IR) encoder/decoder** support.  
- **Sleep mode** for power savings.  
- **Industrial temperature range (-40°C to +85°C)**.  
- **3.3V or 5V operation** for flexible system integration.  

This device is commonly used in **industrial automation, networking equipment, point-of-sale systems, and embedded serial communication applications**.  

(Note: Since Exar was acquired by MaxLinear, further product details may be available through MaxLinear’s documentation.)

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