Allegro PCB Design Tutorial


Footprints for Common ICs


This page lists out common footprints of ICs. Each footprint is in the form of a zip file. The zip file contain a dra file and one or more than on .pad files. These footprints are in Allegro 16.3 version and you should be able to open them on any version later than 16.3.

SOIC16


Here is a quick drawing of the SOIC 16.


Download the footprint here .

Here is a quick screen shot of the SOIC 16 in Allegro.


List of the part numbers using SOIC - 16

1. PIC16F1823-I/SL
2. MAX3232CD

SOIC8


Here is a quick drawing of the SOIC 8 - It has pitch of 0.05 inches.


Download the footprint here .

Here is a quick screen shot of the SOIC 8 in Allegro.


List of the part numbers using SOIC -8

TBD

TSSOP20


Here is a quick drawing of the SOIC 16.


Download the footprint here .

Here is a quick screen shot of the TSSOP20 in Allegro.


List of the part numbers using TSSOP-20

TBD

SSOP20


The SSOP20 package is generally slightly wider than TSSOP20, the pitch being the same at 0.65 mm Here is a quick drawing of the SSOPP20.


Download the footprint here .

Here is a quick screen shot of the SSOP20 in Allegro.


List of the part numbers using SSOP-20

TBD