Journal article

Ultra low power subthreshold current-mode logic utilizing a novel PMOS load device

A novel approach for implementing MOS current-mode logic (MCML) circuits that can operate with ultra low bias currents is introduced. Measurements of test structures fabricated in 0.18 μm CMOS technology show that the proposed PMOS load device concept can be utilized successfully for bias currents as low as 1 nA, achieving sufficiently high gain (>3) over a wide frequency range.

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