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triple 3-input NOR gate 14 SN74LS27: 74x28 4 quad 2-input NOR gate driver N O =30 14 SN74LS28: 74x29 2 dual 4-input NOR gate 14 US7429A: 74x30 1 single 8-input NAND gate 14 SN74LS30: 74x31 6 hex delay elements (two 6ns, two 23-32ns, two 45-48ns) 16 SN74LS31: 74x32 4 quad 2-input OR gate: 14 SN74LS32: 74x33 4 quad 2-input NOR gate open-collector ...
The PLA has a set of programmable AND gate planes, which link to a set of programmable OR gate planes, which can then be conditionally complemented to produce an output. It has 2 N AND gates for N input variables, and for M outputs from the PLA, there should be M OR gates, each with programmable inputs from all of the AND gates.
The following is a list of CMOS 4000-series digital logic integrated circuits.In 1968, the original 4000-series was introduced by RCA.Although more recent parts are considerably faster, the 4000 devices operate over a wide power supply range (3V to 18V recommended range for "B" series) and are well suited to unregulated battery powered applications and interfacing with sensitive analogue ...
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 any of the inputs to the AND gate are not HIGH, a LOW (0) is outputted.
A feedback control loop is directly controlled by the RTU or PLC, but the SCADA software monitors the overall performance of the loop. For example, a PLC may control the flow of cooling water through part of an industrial process to a set point level, but the SCADA system software will allow operators to change the set points for the flow.
A NOT gate, for example, can be constructed from a Toffoli gate by setting the three input bits to {a, 1, 1}, making the third output bit (1 XOR (a AND 1)) = NOT a; (a AND b) is the third output bit from {a, b, 0}. Essentially, this means that one can use Toffoli gates to build systems that will perform any desired Boolean function computation ...
where the u n are the inputs, the y m are the outputs, and the g mn are the transfer functions. This may be written more succinctly in matrix operator notation as, = where Y is a column vector of the outputs, G is a matrix of the transfer functions, and U is a column vector of the inputs.
A multi-input, multi-output system represented as a noncommutative matrix signal-flow graph. In automata theory and control theory, branches of mathematics, theoretical computer science and systems engineering, a noncommutative signal-flow graph is a tool for modeling [1] interconnected systems and state machines by mapping the edges of a directed graph to a ring or semiring.