Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7642600 | System and method for providing a low voltage thin gate input/output structure with thick gate overvoltage/backdrive protection | — | 2010-01-05 |
| 7362126 | Floating CMOS input circuit that does not draw DC current | — | 2008-04-22 |
| 7307454 | Apparatus and method for level shifting in power-on reset circuitry in dual power supply domains | — | 2007-12-11 |
| 7276938 | Transfer gate having overvoltage protection and method | — | 2007-10-02 |
| 7123053 | Circuitry for providing overvoltage backdrive protection | — | 2006-10-17 |
| 7042264 | Variable drive strength hysteresis input circuitry | — | 2006-05-09 |
| 6960940 | Short circuit protection apparatus with self-clocking self-clearing latch | Angela Wang | 2005-11-01 |
| 6906553 | Circuitry for providing overvoltage backdrive protection | — | 2005-06-14 |
| 6894537 | Apparatus and method for level shifting in power-on reset circuitry in dual power supply domains | — | 2005-05-17 |
| 6853221 | Power-up detection circuit with low current draw for dual power supply circuits | — | 2005-02-08 |
| 6731139 | Short circuit protection apparatus with self-clocking self-clearing latch | Angela Wang | 2004-05-04 |
| 6700407 | Extended voltage range level shifter | — | 2004-03-02 |
| 6683485 | Double translation voltage level shifter and method | — | 2004-01-27 |
| 6552569 | Dual purpose low power input circuit for a memory device interface | — | 2003-04-22 |
| 6534806 | System for generating a reference voltage | — | 2003-03-18 |
| 6437958 | Gate oxide protection method | Richard L. Duncan | 2002-08-20 |
| 6384631 | Voltage level shifter with high impedance tri-state output and method of operation | William E. Ballachino | 2002-05-07 |
| 6281706 | Programmable high speed quiet I/O cell | Dan E. Daugherty, Richard L. Duncan | 2001-08-28 |
| 6271703 | Fast overvoltage protected pad input circuit | — | 2001-08-07 |
| 6194944 | Input structure for I/O device | — | 2001-02-27 |
| 6127848 | Voltage translator with gate oxide breakdown protection | Richard L. Duncan | 2000-10-03 |
| 6081412 | Gate oxide breakdown protection circuit for deep submicron processes | Richard L. Duncan | 2000-06-27 |
| 5568065 | Circuit for connecting a node to a voltage source selected from alternative voltage sources | Richard L. Duncan | 1996-10-22 |
| 5555149 | Overvoltage protection | Richard L. Duncan | 1996-09-10 |
| 5534795 | Voltage translation and overvoltage protection | Richard L. Duncan | 1996-07-09 |