Patent ID: 7541837
Filing Date: 2009-06-02
Classification: G11C,H03K

Abstract:
1. An apparatus for translating a logic signal with logic ‘1’ and ‘0’ levels corresponding to first high and low voltage levels, driven from a logic signal provider powered by first high and low voltage supplies, to an output signal with second high and low voltage levels, the apparatus comprising: a first voltage provider to be operated with a second high voltage supply for providing the second high voltage level to the output signal in response to a first signal at the first low voltage supply, the first signal being driven to the first low voltage supply in response to a first state of the logic signal; a second voltage provider to be operated with a second low voltage supply for providing the second low voltage level to the output signal in response to a second signal at the first high voltage supply, the second signal being driven to the first high voltage supply in response to a second state of the logic signal; and a current controller connected to the output signal between the first voltage provider and the second voltage provider for limiting current between the first voltage provider and the second voltage provider during a state transition of the logic signal.