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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 536 In Stock

Description and Introduction

LOW VOLTAGE DUART WITH 16-BYTE FIFO The **XR16L2550** is a dual UART (Universal Asynchronous Receiver/Transmitter) integrated circuit manufactured by **EXAR Corporation**. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Number of Channels:** 2 (Dual UART)  
- **Data Rate:** Up to **3 Mbps**  
- **FIFO Depth:** **128 bytes** (per channel for both transmit and receive)  
- **Interface:** **Parallel (8-bit)**  
- **Voltage Supply:** **3.3V or 5V** (operating range: **2.97V to 5.5V**)  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package Options:** **PLCC-44, TQFP-44**  

### **Descriptions:**  
- The **XR16L2550** is a high-performance dual UART designed for applications requiring reliable serial communication.  
- It supports **128-byte FIFOs** to reduce CPU overhead and improve data throughput.  
- The device is compatible with **3.3V and 5V** systems, making it versatile for embedded applications.  

### **Features:**  
- **128-byte TX and RX FIFOs** (per channel)  
- **Programmable baud rate generator** (up to 3 Mbps)  
- **Automatic hardware/software flow control** (RTS/CTS, XON/XOFF)  
- **Support for 5-, 6-, 7-, or 8-bit data formats**  
- **1.5 or 2 stop bit capability**  
- **Modem control signals (DTR, DSR, CD, RI, RTS, CTS)**  
- **Infrared (IrDA) encoder/decoder support** (1.63 Mbps)  
- **Sleep mode** for power savings  
- **Industrial temperature range (-40°C to +85°C)**  

The **XR16L2550** is commonly used in **industrial automation, networking equipment, point-of-sale terminals, and embedded systems** requiring high-speed serial communication.

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