Wide Operating Level Shifters
Aspects of wide operating range level shifter designs are described. One embodiment includes a level shifter configured to receive an input signal in a first voltage domain and generate an output signal in a second voltage domain, a pulse generator configured to generate a pulse in response to sensing a rise transition on the input signal, and a droop circuit configured to decouple at least a portion of the level shifter from the second voltage domain in response to the pulse. According to one aspect of the embodiments, the pulse can be provided to the droop circuit to decouple at least a portion of the level shifter from the second voltage domain and reduce contention between transistors in the level shifter. Using the concepts described herein, the worst case rise time delay for level shifters can be significantly reduced.
US 10,014,864 issued 2018-07-03 [MORE INFO
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