NOR logic - Wikipedia, the free encyclopedia
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Like NAND gates, NOR gates are so-called "universal gates" that can be combined to form any other kind of logic gate. For example, the first embedded system, Apollo Guidance Computer, was built exclus...
en.wikipedia.org/wiki/NOR_logic
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The NOR gate and the NAND gate can be said to be universal gates since combinations of them can be used to accomplish any of the basic operations and can thus produce an inverter, an OR gate or an AND gate.
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hyperphysics.phy-astr.gsu.edu/hbase/Electronic/nor.html
hyperphysics.phy-astr.gsu.edu/hbase/Electronic/nor.html
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Hutchinson encyclopedia article about NOR gate. NOR gate. Information about NOR gate in the Hutchinson encyclopedia. ... NOR circuit; Nor Crystal Tears; Nor Eeaster; Nor Eeaster; NOR flash; NOR flash; NOR flash; NOR flash replacement; NOR gate; NOR gates; NOR gates; NOR gates; NOR gates; NOR gates; Nor Hachn; Nor Kiddie;
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encyclopedia.farlex.com/NOR+gate
encyclopedia.farlex.com/NOR+gate
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4001 quad NOR gate (Radio Shack catalog # 276-2401) ... The 4001 integrated circuit is a CMOS quad NOR gate, identical in input, output, and power supply pin assignments to the 4011 quad NAND gate. Its "pinout," or "connection," diagram is as such:
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www.allaboutcircuits.com/vol_6/chpt_7/3.html
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You can investigate the behaviour of a single NOR gate using this circuit: ... NOR gate test circuit ... If you have designed a system which contains a NOR gate integrated circuit, it can be convenient and cost-effective to implement other logic functions using spare NOR gates which would otherwise be unused.
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www.doctronics.co.uk/4001.htm
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The NOR gate is an OR gate with the output inverted. Where the OR gate allows the output to be true (logic 1) if any one or more of its inputs are true, the NOR gate inverts this and forces the output to logic 0 when any input is true.
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www.play-hookey.com/digital/derived_gates.html
www.play-hookey.com/digital/derived_gates.html
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TTL integrated circuits provide multiple inputs to NAND gates by designing transistors with multiple emitters on the chip. Unfortunately, we can't very well simulate that on a breadboard socket. What we can do, however, is use the same technique that we tried in both RTL and DTL, to form a NOR gate.
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www.play-hookey.com/digital/experiments/ttl_nor2.html
www.play-hookey.com/digital/experiments/ttl_nor2.html
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AND Gate ... Switch Representation of AND Gate ... Implementing an inverter using NOR gate...
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www.asic-world.com/digital/gates.html
www.asic-world.com/digital/gates.html
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