Patent ID: 7279936
Filing Date: 2007-10-09
Classification: H03K

Abstract:
1. A logic basic cell for forming a logic combination of two data signals in accordance with a logic function that can be selected by means of a plurality of logic selection elements, comprising: a first logic selection element, set in accordance with a first switching variable, between a first data signal input and a second data signal input; a second logic selection element, set in accordance with a second switching variable, between the first data signal input and a fourth data signal input; a third logic selection element, set in accordance with a third switching variable, between the second data signal input and a third data signal input; a fourth logic selection element, set in accordance with a fourth switching variable, between the third data signal input and the fourth data signal input; a fifth logic selection element, set in accordance with a fifth switching variable, between a reference potential and the second data signal input or between the first data signal input and the data signal output; a sixth logic selection element, set in accordance with a sixth switching variable, between a reference potential and the fourth data signal input or between the third data signal input and the data signal output; and a data signal output, at which the logic combination of the two data signals in accordance with the logic function selected by means of the logic selection elements can be provided as an output signal, wherein the first, second, third, and fourth data signal inputs have two data signals and logically complementary data signals thereof applied thereto, and wherein which case all possible logic functions for combination of the two data signals can be set by setting the six switching variables.