XR20M1172IG28-F The Exar XR20M1172IG28-F is a high-performance, two-channel universal asynchronous receiver and transmitter (UART). It features 64-byte transmit and receive FIFOs and a selectable I2C/SPI slave interface.
Mfr Part #:

XR20M1172IG28-F

Available from 1 distributors
Mfr Name: Exar
Exar
The Exar XR20M1172IG28-F is a high-performance, two-channel universal asynchronous receiver and transmitter (UART). It features 64-byte transmit and receive FIFOs and a selectable I2C/SPI slave interface.
Total Stock: 20 pcs
$ Price Range: $0.99

XR20M1172IG28-F Available from 1 distributor

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XR20M1172IG28-F Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Operating Voltage

XR20M1172IG28-F Description

Short technical summary and product information.

The XR20M1172IG28-F from Exar is a versatile two-channel UART designed for high-performance applications. It operates across a wide voltage range of 1.62V to 3.63V, making it suitable for various portable and battery-operated devices.

 

Key features include 64-byte transmit and receive FIFOs, 16 selectable FIFO trigger levels, and automatic hardware (RTS/CTS) and software (Xon/Xoff) flow control. The device supports a selectable I2C/SPI slave interface with SPI clock frequencies up to 18 MHz at 3.3V. It offers data rates up to 16 Mbps at 3.3V and includes a fractional baud rate generator for precise timing.

 

Available in 28-pin TSSOP and 32-pin QFN packages, the XR20M1172IG28-F is designed for surface mount applications. Its capabilities extend to automatic RS-485 half-duplex direction control and wireless infrared encoding/decoding, making it a robust solution for factory automation, process controls, and cellular data devices.

XR20M1172IG28-F Quick Information

Product Type: UART
Series: XR20M1172
Canonical Name: XR20M1172IG28-F Two Channel I2C/SPI UART with 64-Byte FIFO
Subcategory: Universal Asynchronous Receiver Transmitter

XR20M1172IG28-F Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

XR20M1172IG28-F Estimated Pricing

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1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

XR20M1172IG28-F Features

  • Two-channel UART with 64-byte FIFOs.
  • Selectable I2C/SPI slave interface.
  • Operates from 1.62V to 3.63V.
  • Supports automatic flow control.
  • Available in TSSOP and QFN packages.

XR20M1172IG28-F Applications

  • Ideal for portable appliances.
  • Suitable for battery-operated devices.
  • Used in cellular data devices.
  • Applicable to factory automation.
  • Supports process control systems.

XR20M1172IG28-F FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the XR20M1172IG28-F?

The operating voltage range is 1.62V to 3.63V.

What is the maximum SPI clock frequency at 3.3V?

The maximum SPI clock frequency at 3.3V is 18 MHz.

What is the maximum data rate at 3.3V?

The maximum data rate at 3.3V is 16 Mbps.

What is the FIFO size?

The device has 64-byte transmit and receive FIFOs.

What flow control options are available?

Automatic hardware (RTS/CTS) and automatic software (Xon/Xoff) flow control are supported.

What is the sleep mode current at 3.3V?

The sleep mode current is less than 30 µA at 3.3V.

What package options are available?

The XR20M1172IG28-F is available in 28-TSSOP and 32-QFN packages.

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