The reference information includes 7400 logic pinouts, operational amplifier pinouts and circuits, 555 timer pinout and circuits, resistor color code and more.

This software is an ongoing project, with additional information to be added in subsequent releases.

Users of this software are encouraged to make suggestions/requests for additional material.

Update Description:

v1.3 (Jan-13-03):

- Added additional 7400 logic pinouts.

- Added sections on diode physics, BJT physics, and MOSFET physics.

v1.2 (Sept-30-02):

- Added more 7400 logic pinouts.

- Added common device symbols.

- Added pages on BJT amplifiers.