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XR17D158IV-F from EXAR

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XR17D158IV-F

Manufacturer: EXAR

UNIVERSAL (3.3V AND 5V) PCI BUS OCTAL UART

Partnumber Manufacturer Quantity Availability
XR17D158IV-F,XR17D158IVF EXAR 510 In Stock

Description and Introduction

UNIVERSAL (3.3V AND 5V) PCI BUS OCTAL UART The **XR17D158IV-F** is a **dual UART (Universal Asynchronous Receiver/Transmitter)** manufactured by **Exar Corporation** (now part of **MaxLinear**). Below are its key specifications, descriptions, and features based on available data:  

### **Specifications:**  
- **Interface:** PCI Express (PCIe)  
- **Number of UART Channels:** 2 (Dual UART)  
- **Data Rate:** Up to **6 Mbps** per channel  
- **FIFO Depth:** **128-byte** transmit and receive FIFOs per channel  
- **Voltage Supply:** **3.3V**  
- **Operating Temperature Range:** **-40°C to +85°C** (Industrial Grade)  
- **Package:** **48-pin TQFP**  

### **Descriptions:**  
- The **XR17D158IV-F** is a **high-performance PCIe dual UART** designed for serial communication applications.  
- It integrates **two independent UARTs** with **128-byte FIFOs** to reduce CPU overhead.  
- Supports **auto flow control (RTS/CTS, Xon/Xoff)** and **programmable baud rates**.  
- Compliant with **PCIe Base Specification 1.1**.  

### **Features:**  
- **PCIe x1 Lane Support**  
- **Full-featured UARTs** with modem control signals (RTS, CTS, DTR, DSR, DCD, RI)  
- **Software-selectable baud rate** up to **6 Mbps**  
- **Support for 5, 6, 7, or 8 data bits; 1 or 2 stop bits**  
- **Parity (odd, even, none, mark, space)**  
- **Industrial temperature range (-40°C to +85°C)**  
- **Low power consumption**  

This information is based on Exar's documentation before its acquisition by MaxLinear. For the latest details, refer to MaxLinear's resources.

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