Patent ID: 8421496
Filing Date: 2013-04-16
Classification: H01L,Y10T

Abstract:
1. A digital logic circuit, comprising: a voltage rail; a ground rail; and a plurality of logic circuit rails, wherein each of the logic circuit rails is electrically connected to the voltage rail and the ground rail, the logic circuit rail includes: at least one logic unit, wherein the logic unit includes a logic voltage end electrically connected to the voltage rail and a logic ground end electrically connected to the ground rail; and at least one auxiliary unit, wherein the auxiliary unit includes an auxiliary voltage end electrically connected to the voltage rail and an auxiliary ground end electrically connected to the ground rail; wherein the logic unit and the auxiliary unit have the same width and are arranged in series, a first width of the auxiliary voltage end is larger than a second width of the logic voltage end and/or a third width of the auxiliary ground end is larger than a fourth width of the logic ground end.