Issued Patents 2005
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6980035 | Auto-detect level shifter for multiple output voltage standards | Shi-dong Zhou, Gubo Huang, Shankar Lakkapragada, Fariba Farahanchi | 2005-12-27 |
| 6960937 | Power-up and enable control circuits for interconnection arrays in programmable logic devices | — | 2005-11-01 |
| 6958679 | Binary hysteresis equal comparator circuits and methods | — | 2005-10-25 |
| 6924684 | Counter-based phase shifter circuits and methods with optional duty cycle correction | — | 2005-08-02 |
| 6914460 | Counter-based clock doubler circuits and methods | — | 2005-07-05 |
| 6906571 | Counter-based phased clock generator circuits and methods | — | 2005-06-14 |
| 6906562 | Counter-based clock multiplier circuits and methods | — | 2005-06-14 |
| 6879202 | Multi-purpose digital frequency synthesizer circuit for a programmable logic device | — | 2005-04-12 |
| 6853698 | Ripple counter circuits and methods providing improved self-testing functionality | — | 2005-02-08 |
| 6847241 | Delay lock loop using shift register with token bit to select adjacent clock signals | Shi-dong Zhou | 2005-01-25 |
| 6842043 | High-speed, low current level shifter circuits for integrated circuits having multiple power supplies | Shi-dong Zhou, Ronald L. Cline | 2005-01-11 |