three-state logic

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• Three-state logic — In digital electronics three state, tri state, or 3 state logic allows output ports to have a value of logical 0, 1, or Hi Z. A Hi Z output puts the pin in a high impedance state, effectively removing the pin from its influence on the circuit.… …   Wikipedia

• Logic gate — A logic gate is an idealized or physical device implementing a Boolean function, that is, it performs a logical operation on one or more logic inputs and produces a single logic output. Depending on the context, the term may refer to an ideal… …   Wikipedia

• Logic level — In digital circuits, a logic level is one of a finite number of states that a signal can have. Logic levels are usually represented by the voltage difference between the signal and ground (or some other common reference point), although other… …   Wikipedia

• Ternary logic — A ternary, three valued or trivalent logic (sometimes abbreviated 3VL) is a term to describe any of several multi valued logic systems in which there are three truth values indicating true , false and some third value. This is contrasted with the …   Wikipedia

• Logic analyzer — A logic analyzer is an electronic instrument which displays signals in a digital circuit. A logic analyzer may convert the captured data into timing diagrams, protocol decodes, state machine traces, assembly language, or correlate assembly with… …   Wikipedia

• logic, history of — Introduction       the history of the discipline from its origins among the ancient Greeks to the present time. Origins of logic in the West Precursors of ancient logic       There was a medieval tradition according to which the Greek philosopher …   Universalium

• logic — logicless, adj. /loj ik/, n. 1. the science that investigates the principles governing correct or reliable inference. 2. a particular method of reasoning or argumentation: We were unable to follow his logic. 3. the system or principles of… …   Universalium

• Logic — For other uses, see Logic (disambiguation). Philosophy …   Wikipedia

• Logic probe — A logic probe is a hand held pen like test probe used for analyzing and troubleshooting the logical states (Boolean 0 or 1) of a digital circuit. While most are powered by the circuit under test, some devices use batteries. They can be used on… …   Wikipedia

• Three marks of existence — Part of a series on Buddhism Outline · Portal History Timeline · Councils …   Wikipedia

• Three-dimensional integrated circuit — In electronics, a three dimensional integrated circuit (3D IC, 3D IC, or 3 D IC) is a chip in which two or more layers of active electronic components are integrated both vertically and horizontally into a single circuit. The semiconductor… …   Wikipedia