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XR17V258IV from XR

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XR17V258IV

Manufacturer: XR, XRT, EXAR

66MHZ PCI BUS OCTAL UART WITH POWER MANAGEMENT SUPPORT

Partnumber Manufacturer Quantity Availability
XR17V258IV XR, XRT, EXAR 282 In Stock

Description and Introduction

66MHZ PCI BUS OCTAL UART WITH POWER MANAGEMENT SUPPORT The part XR17V258IV is a manufacturer by EXAR. Below are the specifications, descriptions, and features based on the available knowledge:  

### **Specifications:**  
- **Manufacturer:** EXAR  
- **Part Number:** XR17V258IV  
- **Type:** Octal UART (Universal Asynchronous Receiver/Transmitter)  
- **Interface:** Parallel (8-bit)  
- **Data Rate:** Up to 6 Mbps  
- **Voltage Supply:** 3.3V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 64-pin LQFP (Low-Profile Quad Flat Package)  

### **Descriptions:**  
- The XR17V258IV is an octal UART designed for high-performance serial communication applications.  
- It supports 8 independent UART channels, each with a 128-byte FIFO for transmit and receive operations.  
- It is commonly used in industrial automation, networking, and embedded systems requiring multiple serial ports.  

### **Features:**  
- **8 Independent UART Channels:** Each with full modem control signals (RTS, CTS, DTR, DSR, DCD, RI).  
- **128-Byte FIFOs:** Per channel for both transmit and receive to reduce CPU overhead.  
- **Programmable Baud Rate:** Up to 6 Mbps per channel.  
- **Auto Flow Control:** Hardware and software flow control options.  
- **Low Power Consumption:** Suitable for power-sensitive applications.  
- **Extended Temperature Range:** Supports industrial environments (-40°C to +85°C).  
- **3.3V Operation:** Compatible with low-voltage systems.  

This information is based on the manufacturer's documentation for the XR17V258IV. For detailed datasheets or application notes, refer to EXAR's official resources.

Application Scenarios & Design Considerations

66MHZ PCI BUS OCTAL UART WITH POWER MANAGEMENT SUPPORT

Alternative Part Number

  • XR17V358IB176 --: Same XR17V series octal UART family from the original Exar/MaxLinear line, offering comparable PCIe-to-UART functionality with a higher channel count and similar register compatibility.
  • XR17D158IM --: Exar octal UART from the related XR17D series with similar 5V/3.3V operation and register-set compatibility, suitable as a functional substitute in many designs.
  • TL16C754BPN --: Quad/octal UART from TI's widely used TL16C series, providing a well-documented alternative UART interface that can replace the original in many serial expansion applications.
  • XR17D158CV --: Octal PCI UART in the same vendor lineage with similar channel count and host interface, suitable when PCIe is not strictly required.

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