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Three-state buffers can also be used to implement efficient multiplexers, especially those with large numbers of inputs. [1] Three-state buffers are essential to the operation of a shared electronic bus. Three-state logic can reduce the number of wires needed to drive a set of LEDs (tri-state multiplexing or Charlieplexing).
In three-state logic, an output device can be in one of three possible states: 0, 1, or Z, with the last meaning high impedance. This is not a voltage or logic level, but means that the output is not controlling the state of the connected circuit.
The logic of here and there (HT, also referred as Smetanov logic SmT or as Gödel G3 logic), introduced by Heyting in 1930 [21] as a model for studying intuitionistic logic, is a three-valued intermediate logic where the third truth value NF (not false) has the semantics of a proposition that can be intuitionistically proven to not be false ...
One early calculating machine, built entirely from wood by Thomas Fowler in 1840, operated in balanced ternary. [4] [5] [3] The first modern, electronic ternary computer, Setun, was built in 1958 in the Soviet Union at the Moscow State University by Nikolay Brusentsov, [6] [7] and it had notable advantages over the binary computers that eventually replaced it, such as lower electricity ...
A three-state logic gate is a type of logic gate that can have three different outputs: high (H), low (L) and high-impedance (Z). The high-impedance state plays no role in the logic, which is strictly binary. These devices are used on buses of the CPU to allow multiple chips to send data.
And let's start with a fun fact about vehicle inspection in the U.S. Apparently, only 10 states have mandatory vehicle inspections. That's Alaska, Arkansas, Iowa, Michigan, Minnesota, Mississippi ...
A Charlieplexed digital clock which controls 90 LEDs with 10 pins of a PIC 16C54 microcontroller.. Charlieplexing (also known as tristate multiplexing, reduced pin-count LED multiplexing, complementary LED drive and crossplexing) is a technique for accessing a large number of LEDs, switches, micro-capacitors or other I/O entities, using relatively few tri-state logic wires from a microcontroller.
The Logic and Other Markets segment was 15% of our systems revenue in the December quarter, down from the prior-quarter level of 24%. The decrease was driven by reduced spending in both leading ...