Datasheet

20-PIN TSSOP AND SSOP
EVALUATION BOARD
USER’S GUIDE
© 2009 Microchip Technology Inc. DS51875A-page 27
Appendix A. Schematic and Layouts
A.1 INTRODUCTION
This appendix contains the schematic and layouts for the 20-Pin TSSOP and SSOP
Evaluation Board. Diagrams included in this appendix:
• Board Schematic
• Board Layout – Top Layer and Silk-Screen
• Board Layout – Bottom Layer
• Board Layout – Power Plane
• Board Layout – Ground Plane
• Board Layout – Top Components
• Board Layout – Bottom Silk
A.2 SCHEMATICS AND PCB LAYOUT
Section A.3 “Board Schematic” shows the schematic of the 20-Pin TSSOP and
SSOP Evaluation Board.
Section A.4 “Board Layout – Top Layer and Silk-Screen” shows the layout for the
top layer of the 20-Pin TSSOP and SSOP Evaluation Board. The layer order is shown
in Figure A-1.
FIGURE A-1: Layer Order.
Top Layer
Ground Layer
Power Layer
Bottom Layer