Circuits and devices for generating bi-directional body bias voltages, and methods therefor
US8970289B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 22, 2013 |
| Grant date | Mar 3, 2015 |
| Priority date | — |
| Expiry date | Jan 22, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10D30/6211
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An integrated circuit device can include at least a first bi-directional biasing circuit having a first substrate portion containing a plurality of first transistors; a first control digital-to-analog converter (DAC) to generate any of a plurality of first target values in response to a first target code; a first detect circuit configured to generate a difference value between the first target values and a first limit value; and at least a first charge pump circuit configured to drive the first substrate portion between a forward body bias voltage and a reverse body bias voltage for the first transistors in response to first target values. Embodiments can also include a performance monitor section configured to determine a difference between the voltage of the first substrate portion and a target voltage. Control logic can generate first code values in response to the difference between the voltage of the first substrate portion and the target voltage. Methods are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.