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LCMOS, a harvest-use light-powered scheme for
standard CMOS circuits based on photogenerated currents in
the drain-substrate PN junction of both PMOS and NMOS
transistors is introduced. PMOS and NMOS bulks are groundconnected
so the generated currents induce symmetrical positive
and negative voltage at the PMOS and NMOS sources,
respectively. Applying this approach to a CMOS inverter ring
oscillator in 150 nm technology, simulations show that nearly 1
Vpp signal range can be obtained. The operation of a simple 4-
bit counter is also illustrated. The light-powering technique can
be applied almost directly to digital standard cells in ultra-lowpower
applications with modest processing speed requirements.
CitationMadrenas, J.; Fernandez, D.; Wang, C. LCMOS: Light-powered standard CMOS circuits. A: IEEE International Symposium on Circuits and Systems. "ISCAS 2012: IEEE International Symposium on Circuits and Systems, May 20-23, 2012, Seoul, Korea". Seoul: 2012, p. 3029-3032.
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