US 7,568,177 B1
System and method for power gating of an integrated circuit
Tobing Soebroto, Cupertino, Calif. (US); Ankur Gupta, Santa Clara, Calif. (US); Hendy Kosasih, Diamond Bar, Calif. (US); and Richard Chou, Cupertino, Calif. (US)
Assigned to Cadence Design Systems, Inc., San Jose, Calif. (US)
Filed on Oct. 30, 2006, as Appl. No. 11/589,229.
Claims priority of provisional application 60/731239, filed on Oct. 31, 2005.
Int. Cl. G06F 17/50 (2006.01); G11C 5/14 (2006.01); H03K 17/16 (2006.01); H03K 19/094 (2006.01)
U.S. Cl. 716—9  [716/10; 716/13; 716/14; 326/33; 326/41; 326/47; 326/101; 326/80; 365/226] 16 Claims
OG exemplary drawing
 
1. An apparatus comprising:
a. an integrated circuit (IC) including a core and a plurality of individual input/output (I/O) pads surrounding the core; and
b. a switching means formed in an integrated manner within at least one of the plurality of individual I/O pads for selectively controlling transfer therethrough of a power supply signal to at least a portion of the core.