Circuit for controlling the voltages between well and...

Details Circuit for controlling the voltages between well and... Circuit for controlling the voltages between well and...

G - Physics

05

F

G05F 1/46 (2006.01) G05F 3/24 (2006.01)

Patent

CA 2145358

The control circuit includes a reference MOS transistor (24) on which predetermined operating charac- teristics are imposed. Means (21, 22, 23) are provided for comparing an operating characteristic of the transis- tor (24) with a reference value (V tnref) so as to produce a control voltage. This voltage, after adaptation, is applied to the transistor (24) so as to fix the threshold voltage (V th) thereof, in such a way as to maintain the operating characteristics of the transistor (24). This same threshold voltage is then imposed on all the tran- sistors of the logic circuit with which the control circuit is associated. This control circuit makes it possible particu- larly to reduce the consumption of said logic circuit.

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