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There are many ways that a number of logic gates can be combined to perform a specific task. They may all work, but some combinations will perform the task that better than others.
Lecture 11 - Logic gates and Boolean. The basic logic gates are the inverter (or NOT gate), the AND gate, the OR gate and the exclusive-OR gate (XOR). If you put an inverter in front of the AND gate, you get the NAND gate etc. One of the common tool in specifying a gate function is the truth table. All possible combination of the inputs A, B ...
3 Ιουν 2024 · A combinational logic circuit is a circuit whose outputs only depend on the current state of its inputs. In mathematical terms, the each output is a function of the inputs. These functions can be described using logic expressions, but is most often (at least initially) using truth tables. Logic gates are the simplest combinational circuits.
Logic Gates • Basic logic circuits with one or more inputs and one output are known as gates • Gates are used as the building blocks in the design of more complex digital logic circuits
Schematic: A drawing of interconnected gates. Net: Wires at the same voltage (electrically connected) Netlist: A list of all the devices and connections in a schematic. Fan-in: The # of inputs to a gate. Fan-out: The # of loads the gate drives. 4.
V OH=Logic state “1” or “True”. The highest possible output voltage. V OL=Logic state “0” or “False”. The Lowest possible output voltage. V REF=Voltage for which the inverter switches from Logic state “1” to Logic state “0”. The transition is abrupt. The simplest implementation of the inverter consists of a resistor and ...
4 Combinational Logic. Freely sharing knowledge with learners and educators around the world. Learn more. MIT OpenCourseWare is a web based publication of virtually all MIT course content. OCW is open and available to the world and is a permanent MIT activity.
