Positive and negative voltage level shifter circuit
US7948810B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 13, 2008 |
| Grant date | May 24, 2011 |
| Priority date | — |
| Expiry date | May 6, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K3/356113
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A level shifter includes a level shifter module that receives a first input signal having high and low states and at least one voltage supply signal, and that generates a latch control signal based on the high and low states of the first input signal. A latch module receives the latch control signal, a data input signal, and the at least one voltage supply signal. The latch module selectively stores data associated with the data input signal based on the latch control signal. The latch module selectively changes the at least one voltage supply signal from a first level to a second level and outputs the data according to the second level based on the latch control signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.