Abstract
A low-swing clock double-edge triggered flip-flop (LSDFF) is developed to reduce power consumption significantly compared to conventional flip-flops. The LSDFF avoids unnecessary internal node transitions to reduce power consumption. In addition, power consumption in the clock tree is reduced because LSDFF uses a double-edge triggered operation as well as a low-swing clock. To prevent performance degradation of the LSDFF due to low-swing clock, low-V/sub t/ transistors are used for the clocked transistors without significant leakage current problems. The power saving in flip-flop operation is estimated to be 28.6% to 49.6% with additional 78% power saving in the clock network.
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