Patent ID: 6326839
Filing Date: 2001-12-04
Classification: G05F,G11C,H02M,H03B,Y02B

Abstract:
An apparatus for translating voltages comprising:control signal means for generating first and second mutually exclusive low voltage control signals;a first capacitance having a first terminal coupled for receiving the first control signal;a second capacitance having a first terminal coupled for receiving the second control signal;a first transistor having a first current flowing terminal coupled to a high voltage current source, a second current flowing terminal coupled to a second terminal of the first capacitance, and a control terminal coupled to a second terminal of the second capacitance;a second transistor; having a first current flowing terminal coupled to the high voltage current source, a second current flowing terminal coupled to the second terminal of the second capacitance, and a control terminal coupled to the second terminal of the first capacitance;wherein the second transistor conducts current when the first control signal is received by the first capacitance; andwherein the first transistor conducts current when the second control signal is received by the second capacitance,a third transistor having a first current flowing terminal coupled to the high voltage current source, a control terminal coupled to the second terminal of the first capacitance, and a second current flowing terminal;a fourth transistor having a first current flowing terminal coupled to the second current flowing terminal of the third transistor, a second current flowing terminal coupled to a ground potential, and a control terminal coupled to the first terminal of the first capacitance;wherein one of the third or fourth transistor conducts when the first signal is received by the first capacitance; andwherein the other of the third or fourth transistor conducts when the second signal is received by the second capacitance.