Circuit and method for a zero static current level shifter

Abstract

In summary, a level shift circuit, comprising an input in low voltage domain and an output in a high voltage domain, a first and second gating device coupled to said input, a first and second error sensing devices coupled to a said first and second gating devices, respectively, a logic block configured to monitor a state of said output and to control of said first and second gating devices, and wherein said first and second error sensing devices are coupled to a memory device configured to store said state of said output. In addition, a method of a level shift circuit, comprising the steps of a first step (a) providing an input in a low voltage domain, an output in a high voltage domain, first and second gating device, first and second error sensing device, a logic block, and a memory device, a second step (b) sensing errors in said first and second error devices, a third step (c) monitoring a state of said output of said first and second gating devices, a fourth step (d) controlling a state of said first and second gating devices, and a fifth step (e) storing said state of said output in said memory device.

Dependencies are inferred from the claim text.