Basic Logic Functions Defined with Truth Tables OR
Basic Logic Functions • Defined with Truth Tables OR AND A 0 0 1 1 B 0 1 F 0 0 0 1 A 0 0 1 1 B 0 1 Complement F 0 1 1 1 A 0 1 F 1 0
Basic Logic Gates • Hardware used to implement logic functions AND OR Complement
Other Common Logic Gates • Can be constructed from basic logic gates NAND NOR EXOR
XCRP Development Board XCRP Board: Exp. 1 Diagram
Integrated Circuits (ICs) • ICs contain logic gates • SSI (small scale integration) 50 -100 transistors per IC • DIPs (dual in-line packages) • 7400 Package Layout
Circuit Implementation on XCRP Board • Chips are place on Solderless Breadboard • Solid-core wire connect circuit elements • Power (Vcc) and Ground (GND) from XCRP
Solderless Breadboard • Physical connections made without soldering • Certain holes are physically connected to other holes physical hole connections
Circuit Connections to XCRP Signals • Solid-core wire used for circuit connections to the Expansion Connector XCRP Board XCRP Expansion Connector
Detailed Schematic Diagram • Normal schematic diagram plus various IC related information: • Pin numbers • Gate labels • IC labels Schematic Diagram Detailed Schematic Diagram
Experiment 2 Procedure Overview • Implement basic logic circuits on XCRP breadboard • Verify hardware implementations of various logic functions.
- Slides: 10