Patent ID: 8710916
Filing Date: 2014-04-29
Classification: H03K

Abstract:
1. An electronic circuit comprising: a plurality of circuit blocks, each circuit block of the plurality of circuit blocks including a first power terminal and a second power terminal, wherein the first power terminals of the plurality of circuit blocks are not directly coupled electrically; a plurality of bias circuits for controlling current leakage reduction of the plurality of circuit blocks; a switching circuit including a plurality of switches for selectively coupling a bias circuit of the plurality of bias circuits to the first power terminal of a circuit block of the plurality of circuit blocks, where each bias circuit is selectively couplable to each of the first power terminals of the plurality of circuit blocks and is concurrently couplable to more than one first power terminal of the plurality of circuit blocks via the switching circuit; and a plurality of leakage reduction transistors, each leakage reduction transistor of the plurality of leakage reduction transistors including a first current terminal coupled to a power supply voltage terminal, the plurality of bias circuits controlling the conductivity of the plurality of leakage reduction transistors to reduce leakage current of the plurality of circuit blocks, wherein each transistor of the plurality of transistors includes a control terminal for controlling the conductivity of the leakage reduction transistor.