4) Identify the logic gates required and draw the schematic to implement the terms of the
algebraic function.
5) Implement (pay attention to layout and ease of support/use).
6) Test (outline test plan).
Example
Design a 4-key digital lock that can be opened only when 2 or more adjacent keys are pressed.
Solution: Student Exercise.
K 0 K 1 K 2 K 3
Keypad
Project:
Designer:
Date:
ID Component Desc. No Conn. Vcc Gnd