ALEXANDRIA, Va., July 3 -- United States Patent no. 12,348,132, issued on July 1, was assigned to Sandisk Technologies Inc. (Milpitas, Calif.).
"Stage based frequency optimization for area reduction of charge pumps" was invented by V. S. N. K. Chaitanya G (Bengaluru, India), Ankit Rehani (Burari, India) and Pradeep Kumar Anantula (Bengaluru, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "A stage-based frequency optimization for a charge pump achieves a higher area efficiency by operating different stages of the charge pump at their optimized frequency simultaneously, instead of single common frequency, to obtain greater output strength. A first set of stages uses triple well devices as transfer switche...