Low-voltage to high-voltage level shifter circuit
US9543931B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 12, 2015 |
| Grant date | Jan 10, 2017 |
| Priority date | — |
| Expiry date | Oct 12, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K3/356165
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A low-voltage to high-voltage level shifter circuit includes an input circuit, a voltage shifting circuit, and an output circuit. The input circuit is configured to receive an input signal having a voltage range between a first voltage and a ground voltage, and to provide an inverted input signal and a delayed version of the inverted input signal. The voltage shifting circuit is coupled to the input circuit and is configured to receive the input signal, the inverted input signal, and the delayed version of the inverted input signal. The voltage shifting circuit is configured to provide an internal signal having a voltage range between a second voltage and the ground voltage, the second voltage being higher than the first voltage. The output circuit provides an output voltage in the high-voltage range for the corresponding input voltage in the low-voltage range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.