SNLA382 March   2021 DS250DF230

 

  1.   Trademarks
  2. 1Introduction
  3. 2QFN Pinout and Schematic Considerations
  4. 3RTV (QFN) Layout Considerations
    1. 3.1 RTV (QFN) Footprint Recommendations
    2. 3.2 RTV (QFN) Layout Example

RTV (QFN) Layout Example

The example layout in this subsection demonstrates how all signals can be routed from the QFN using microstrip routing on a generic multi-layer stackup.

GUID-20210316-CA0I-WTCH-BZ9H-H0PMSS9FXMHZ-low.pngFigure 3-1 Top Layer
GUID-20210316-CA0I-3HXX-HWLG-PP1CWPKZJR2B-low.pngFigure 3-3 Internal Low-Speed Signals
GUID-20210316-CA0I-BW8X-6D9Q-KFLKR3L5TJ3G-low.pngFigure 3-5 Bottom Layer
GUID-20210316-CA0I-NWHC-ZC2R-HRLRHNQ8CMJR-low.pngFigure 3-2 Layer 1 GND
GUID-20210316-CA0I-V3WQ-CDZ6-1CPBBZXSFHPP-low.pngFigure 3-4 VDD Layer