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XR16L580IL from EXAR

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XR16L580IL

Manufacturer: EXAR, XRT, XR

SMALLEST 2.25V TO 5.5V UART WITH 16-BYTE FIFO AND POWERSAVE

Partnumber Manufacturer Quantity Availability
XR16L580IL EXAR, XRT, XR 1974 In Stock

Description and Introduction

SMALLEST 2.25V TO 5.5V UART WITH 16-BYTE FIFO AND POWERSAVE The XR16L580IL is a UART (Universal Asynchronous Receiver/Transmitter) manufactured by EXAR Corporation. Below are the specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Interface Type:** UART  
- **Data Rate:** Up to 3 Mbps  
- **Voltage Supply:** 3.3V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 48-pin LQFP (Low-profile Quad Flat Package)  
- **FIFO Depth:** 128 bytes (Tx and Rx)  
- **Number of Channels:** 2 (Dual UART)  
- **Additional Features:** Hardware/Software Flow Control, Auto RTS/CTS, Auto XON/XOFF  

### **Descriptions:**  
- The XR16L580IL is a dual-channel UART designed for high-speed serial communication.  
- It supports full-duplex operation with independent transmit and receive paths.  
- The device includes 128-byte FIFOs for both transmit and receive operations to reduce CPU overhead.  
- It is compatible with industry-standard UARTs and supports various flow control mechanisms.  

### **Features:**  
- **High-Speed Operation:** Up to 3 Mbps data rate.  
- **128-Byte FIFOs:** Reduces interrupt loading on the host processor.  
- **Programmable Features:** Baud rate, data format (5- to 8-bit data, parity, stop bits).  
- **Hardware/Software Flow Control:** Supports RTS/CTS, XON/XOFF.  
- **Auto RS-485 Half-Duplex Control:** Simplifies RS-485 network interfacing.  
- **Low Power Consumption:** Suitable for power-sensitive applications.  
- **Industrial Temperature Range:** Operates reliably in harsh environments.  

This information is based on EXAR's official documentation for the XR16L580IL. For detailed technical specifications, refer to the datasheet.

Application Scenarios & Design Considerations

SMALLEST 2.25V TO 5.5V UART WITH 16-BYTE FIFO AND POWERSAVE

Alternative Part Number

  • ST16C550CJ --: MaxLinear (formerly Exar) UART in the same family lineage; functionally compatible single-channel UART with similar register set, though package and exact feature set should be verified.
  • TL16C550CFN --: Industry-standard 16C550-compatible UART widely used as a drop-in functional replacement for Exar XR16L5xx parts; verify supply voltage and package.
  • SC16C550BIB48 --: NXP 16C550-compatible UART offering similar serial interface functionality; check voltage, FIFO depth, and pinout before substitution.

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