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XR16C2550IM from EXAR

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XR16C2550IM

Manufacturer: EXAR

2.97V TO 5.5V DUART WITH 16-BYTE FIFO

Partnumber Manufacturer Quantity Availability
XR16C2550IM EXAR 51 In Stock

Description and Introduction

2.97V TO 5.5V DUART WITH 16-BYTE FIFO The XR16C2550IM is a dual universal asynchronous receiver/transmitter (DUART) manufactured by EXAR Corporation. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** EXAR  
- **Model:** XR16C2550IM  
- **Type:** Dual UART (DUART)  
- **Operating Voltage:** 3.3V or 5V  
- **Data Rate:** Up to 3 Mbps  
- **Number of Channels:** 2 independent UART channels  
- **FIFO Depth:** 128 bytes per channel (64-byte transmit, 64-byte receive)  
- **Interface:** Parallel (8-bit)  
- **Package:** 48-pin LQFP (Low-profile Quad Flat Pack)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The XR16C2550IM is a high-performance dual UART designed for embedded applications requiring reliable serial communication. It supports two independent full-duplex UART channels with large FIFOs to reduce CPU overhead. It is compatible with industry-standard UARTs and includes advanced features for enhanced functionality.  

### **Features:**  
- **Dual Independent UART Channels:** Each with full-duplex operation.  
- **Large FIFOs:** 128 bytes per channel (64 Tx, 64 Rx) to minimize CPU interrupts.  
- **Programmable Baud Rate:** Supports up to 3 Mbps.  
- **Auto Hardware/Software Flow Control:** Supports RTS/CTS, XON/XOFF.  
- **Infrared (IrDA) Encoder/Decoder:** Supports IrDA 1.0 (up to 115.2 kbps).  
- **Multi-drop Mode (9-bit):** For RS-485 applications.  
- **Sleep Mode:** Low-power standby mode for power-sensitive applications.  
- **Industrial Temperature Range:** -40°C to +85°C.  
- **Wide Voltage Support:** 3.3V or 5V operation.  

This information is based on EXAR's official documentation for the XR16C2550IM.

Partnumber Manufacturer Quantity Availability
XR16C2550IM XR 140 In Stock

Description and Introduction

2.97V TO 5.5V DUART WITH 16-BYTE FIFO The **XR16C2550IM** is a dual universal asynchronous receiver and transmitter (DUART) manufactured by **Exar Corporation**.  

### **Key Specifications:**  
- **Interface:** UART (Universal Asynchronous Receiver/Transmitter)  
- **Number of Channels:** 2 (Dual UART)  
- **Data Rate:** Up to 3 Mbps  
- **Data Bus Width:** 8-bit  
- **Voltage Supply:** 3.3V or 5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 48-pin LQFP (Low-profile Quad Flat Package)  

### **Descriptions & Features:**  
- **Dual UART Channels:** Each channel operates independently.  
- **FIFO Buffers:** 64-byte transmit and receive FIFOs per channel to reduce CPU overhead.  
- **Programmable Baud Rate:** Supports standard and non-standard baud rates.  
- **Modem Control Signals:** Includes RTS, CTS, DSR, DTR, DCD, and RI signals.  
- **Auto Flow Control:** Hardware and software flow control options.  
- **Low Power Modes:** Supports sleep and standby modes for power efficiency.  
- **Industrial Temperature Range:** Suitable for harsh environments.  
- **Compatibility:** Works with industry-standard UARTs (e.g., 16C450, 16C550).  

This device is commonly used in industrial automation, networking, and embedded systems requiring reliable serial communication.  

Would you like additional details on any specific aspect?

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