Ultra-low-power level shifter, voltage transform circuit and...

Details Ultra-low-power level shifter, voltage transform circuit and... Ultra-low-power level shifter, voltage transform circuit and...

2008-09-15

2010-11-16

Barnie, Rexford N (Department: 2819)

Electronic digital logic circuitry

Interface

Logic level shifting

C326S081000, C326S083000, C327S108000, C327S333000

Reexamination Certificate

active

07834661

ABSTRACT:
A level shifter increase a voltage level of an output signal with relatively lower power consumption by adopting current-starved configuration. The level shifter includes an input unit and a driving unit. The input unit includes a current-starved inverter configured to generate a control signal in response to an input signal and a bias voltage. The input unit is powered by a first power supply voltage. The driving unit generates an output signal in response to the control signal. The output signal has a voltage level higher than the input signal, and the driving unit is powered by a second power supply voltage higher than the first power supply voltage.

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Sedra/Smith, “Microelectronic Circuits”, 2004 Oxford University Press, 5th Edition, p. 10-11.

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