XNOR gate - Factbites

XNOR gate - Factbites
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Topic: XNOR gate

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	3-7 THE XOR AND XNOR GATES
		Note that the output of the XNOR gate is just the compliment of the XOR gate and therefore the XNOR gate could also be constructed by adding a NOT gate to the output of the XOR gate.
		For the XNOR gate, on the other hand, the output is HI only if both inputs are HI or both are LO.
		Two other gates that are useful are the exclusive OR (XOR) and, to a lesser extent, the exclusive NOR (XNOR).
	www.thiel.edu /digitalelectronics/chapters/ch3_html/ch3-7.htm (374 words)

	PHY107 Other Logic Gates
		In general, an XNOR gate gives an output value of 1 when there are an even number of 1's on the inputs to the gate.
		The XNOR gate is drawn using the same symbol as the XOR gate with an invert bubble on the output line as is illustrated below
		The three basic logic gates can be combined to provide more complex logical functions.
	www.shef.ac.uk /physics/teaching/phy107/othergates.html (462 words)

	Logic Gates
		That is, an XNOR gate with n-inputs is the XNOR of all the bits.
		This is not ambiguous because the XNOR function is associative (all parenthesization of this expression are equivalent).
		If you look carefully at the drawing of the gate, there is a second arc behind the first one near the inputs.
	www.cs.umd.edu /class/spring2003/cmsc311/Notes/Comb/gates.html (1347 words)

	Excel Help/VBA Help: - XNOR UDF using VBA?
		The XNOR (exclusive-NOR) gate is a combination XOR gate followed by an inverter.
		The RESULT (1) of "A1 (1) XNOR A2 (1)" is then XNOR'd with A3 (0), and that RESULT (0) is XNOR'd with A4 (1)...
		What I'm trying to do is find the XNOR result for a range (Ax:Ay) of cells in a column that have binary (0,1) data.
	www.ozgrid.com /forum/showthread.php?t=22821 (720 words)

	D _XNOR Xnor
		DESCRIPTION: The digital ´xnor' gate is an n-input, single-output ´xnor' gate which produces an active "0" value if an odd number of its inputs are also "1" values.
		It produces a "1" output when an even number of "1" values occurs on its inputs.
	www.cadmigos.com /manual/refman/rm0118.htm (172 words)

	NAND, NOR and XNOR gates
		As a result the truth tables for the NAND, NOR and XNOR gates are simply those for the AND, OR and XOR gates with all the 0's in the output column changed to 1's, and all the 1's changed to 0's.
		The Boolean expressions for the NAND, NOR and XNOR operations are written by putting a bar over the equivalent expressions for AND, OR and XOR.
		They can be thought of as being formed when a NOT gate is added to the output of an AND, OR or XOR gates.
	www.vuw.ac.nz /scps-students/tech102/lectures/week3/nnx.htm (135 words)

	The NOR gate
		The truth tables for the XOR and XNOR gates, shown in Figure 1-8, are listed in Table 1-6.
		Figure 1-7 Standard logic symbol for NOR gate
		Figure 1-8 Standard logic symbols for: (a) XOR (b) XNOR
	www.geocities.com /olenzb/norgate.htm (209 words)

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Topic: XNOR gate

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In the News (Wed 19 Nov 08)