Patent ID: 7839689
Filing Date: 2010-11-23
Classification: G11C,H02M

Abstract:
1. A device comprising: a first section including non-volatile memory for storing data; and a second section including at least first and second pumping circuits, said second section being a peripheral circuit section, said first pumping circuit for receiving a first voltage at a first voltage level and for producing, at an output of said first pumping circuit, a second voltage at a second voltage level that is higher than the first voltage level, said second voltage required for carrying out a first type of memory operation associated with said non-volatile memory, and said second pumping circuit having an input coupled to the first pumping circuit output for cooperatively employing said first pumping circuit to pump up from a voltage greater than the first voltage to produce a third voltage at a third voltage level that is higher than said second voltage level, said third voltage required for carrying out a second type of memory operation associated with said non-volatile memory, and said first pumping circuit being configured to increase voltage produced therefrom under control of at least a first oscillation signal, said second pumping circuit being configured to increase voltage produced therefrom under control of at least a second oscillation signal different from said first oscillation signal, and said second section further includes first and second regulator circuits, and first and second oscillators for providing said first and second oscillation signals respectively, said first regulator circuit coupled to the first pumping circuit output, said first oscillator configured to receive an outputted voltage of said first regulator circuit, said second regulator circuit coupled to an output of the second pumping circuit, and said second oscillator configured to receive an outputted voltage of said second regulator circuit.