Figure 3. Sleepy Keeper circuit [11,23]

From

Review of Leakage Power Reduction in CMOS Circuits

Khushboo Kumari, Arun Agarwal, Jayvrat, Kabita Agarwal

American Journal of Electrical and Electronic Engineering. 2014, 2(4), 133-136 doi:10.12691/ajeee-2-4-2