Datasheet
20-PIN TSSOP AND SSOP
EVALUATION BOARD
USER’S GUIDE
© 2009 Microchip Technology Inc. DS51875A-page 11
Chapter 2. Installation and Operation
2.1 INTRODUCTION
This blank Printed Circuit Board allows 20-pin devices in the following four package
types to be installed:
1. TSSOP-20.
2. SSOP-20.
This board is generic so that any device may be installed. Refer to the device data
sheet, however, for suitability of device evaluation.
As well as the device, other desired passive components (resistors and capacitors) and
connection posts may be installed. This allows the board to evaluate a minimum
configuration for the device. Also, this allows the device to easily be jumpered into an
existing system.
The board also has a 6-pin interface (PICkit Serial, ICSP, BFMP,...) whose signals can
easily be jumpered to any of the device’s pins.
2.2 FEATURES
The 20-Pin TSSOP and SSOP Evaluation Board has the following features:
• Connection terminals may be either through-hole or surface-mount
• Three 20-pin package footprints supported:
- TSSOP
- SSOP
• Footprints for optional passive components (SMT 805 footprint) for:
- Power supply filtering
- Device bypass capacitor
- Output filtering
- Output pull-up resistor
- Output pull-down resistor
- Output loading resistor
• Silk-screen area to write specifics of implemented circuit (on back of PCB), such
as MCP4331 10 kΩ.
• PICkit Serial Analyzer / PICkit 2 Programming (ICSP) Header