"Low-power CMOS digital design" is the second most frequently cited in the history of the JSSC (PDF)
“Low-power CMOS digital design” by A. P. Chandrakasan, S. Sheng, and R. W. Brodersen originally appeared in April 1992. It is the second most frequently cited in the history of JSSC and is still the most recent paper of any frequently cited from JSSC. (Requires subscription to access.)