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An and-inverter graph (AIG) is a directed, acyclic graph that represents a structural implementation of the logical functionality of a circuit or network.An AIG consists of two-input nodes representing logical conjunction, terminal nodes labeled with variable names, and edges optionally containing markers indicating logical negation.
Rent's rule pertains to the organization of computing logic, specifically the relationship between the number of external signal connections to a logic block (i.e., the number of "pins") with the number of logic gates in the logic block, and has been applied to circuits ranging from small digital circuits to mainframe computers. Put simply, it ...
Karnaugh maps are used to simplify real-world logic requirements so that they can be implemented using the minimal number of logic gates. A sum-of-products expression (SOP) can always be implemented using AND gates feeding into an OR gate, and a product-of-sums expression (POS) leads to OR gates feeding an AND
The AND gate is a basic digital logic gate that implements the logical conjunction (∧) from mathematical logic – AND gates behave according to their truth table. A HIGH output (1) results only if all the inputs to the AND gate are HIGH (1). If all of the inputs to the AND gate are not HIGH, a LOW (0) is outputted.
The ASM method is composed of the following steps: 1. Create an algorithm, using pseudocode, to describe the desired operation of the device. 2. Convert the pseudocode into an ASM chart. 3. Design the datapath based on the ASM chart. 4. Create a detailed ASM chart based on the datapath. 5. Design the control logic based on the detailed ASM chart.
A logic gate is a device that performs a Boolean function, a logical operation performed on one or more binary inputs that produces a single binary output. Depending on the context, the term may refer to an ideal logic gate, one that has, for instance, zero rise time and unlimited fan-out, or it may refer to a non-ideal physical device [1] (see ...
In microprocessor design, gate count refers to the number of logic gates built with transistors and other electronic devices, that are needed to implement a design. Even with today's [when?] processor technology providing what was formerly considered impossible numbers of gates in a single chip, gate counts remain one of the most important overall factors in the end price of a chip.
Steps with associated actions; Transitions with associated logic conditions; Directed links between steps and transitions. Steps in an SFC diagram can be active or inactive. Actions are only executed for active steps. A step can be active for one of two motives: It is an initial step as specified by the programmer.