As you might guess from the name, the clock uses CMOS logic, based around a 12 bit counter, to provide the divider circuits 24 (daily) and 60 (minutes and seconds).

Engineers choose CMOS/biCMOS logic to be “green” and reduce power consumption. CMOS and biCMOS only draw power on transitions, so those circuits run cool at slow speeds. So why is the board hot?

Innovations in complementary metal-oxide-semiconductor (CMOS) logic are complemented by evolving FinFET architectures, both of which aim to reduce leakage power and improve switching performance.

Here we demonstrate that a significant reduction in the use of field-effect transistors can be achieved by constructing carbon nanotube-based integrated circuits based on a pass-transistor logic ...

Non-volatile bistable memory circuits being developed by Satoshi Sugahara and his team at Tokyo Tech pave the way for highly energy-efficient CMOS logic systems. The details are described in the ...