Patent ID: 8207775
Filing Date: 2012-06-26
Classification: H03K

Abstract:
1. A level-shifter comprising: a dynamically biased current source circuit that receives a first voltage; a first and a second unidirectional current-conducting devices that are coupled to the dynamically biased current source circuit, wherein a voltage output of the level-shifter is located at a first node that is coupled between the dynamically biased current source circuit and the second unidirectional current-conducting device; a first and a second pull-down devices that are coupled to the first and second unidirectional current-conducting devices, respectively; and a pull-up device that receives a second voltage is coupled to the dynamically biased current source circuit and the first unidirectional current-conducting device, the pull-up device being configured to dynamically bias the dynamically circuit such that a voltage drop of the second unidirectional current-conducting device is output at the voltage output responsive to the pull-up device outputting the second voltage to the dynamically biased current source circuit, the first pull-down device being non-conducting and the second pull-down device being conducting.