Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6029236 | Field programmable gate array with high speed SRAM based configurable function block configurable as high performance logic or block of SRAM | Duane H. Chinnow, Jr. | 2000-02-22 |
| 5809281 | Field programmable gate array with high speed SRAM based configurable function block configurable as high performance logic or block of SRAM | Duane H. Chinnow, Jr. | 1998-09-15 |
| 5724302 | High density decoder | — | 1998-03-03 |
| 5675824 | Programmable logic having selectable output voltages | — | 1997-10-07 |
| 5635774 | Zero power latchup suppression circuit | — | 1997-06-03 |
| 5574857 | Error detection circuit for power up initialization of a memory array | K. K. Ramakrishnan, Joseph H. Salmon | 1996-11-12 |
| 5530439 | Deterministic method and an apparatus for minimal switch circuits | Gregory B. Hibdon, Jay J. Sturges, Richard P. Vireday | 1996-06-25 |
| 5523705 | Apparatus and method for selecting and buffering inputs of programmable logic devices | — | 1996-06-04 |
| 5471155 | User programmable product term width expander | — | 1995-11-28 |
| 5450608 | Programmable logic having selectable output states for initialization and resets asynchronously using control bit associated with each product term | — | 1995-09-12 |
| 5386155 | Apparatus and method for selecting polarity and output type in a programmable logic device | Mike Allen | 1995-01-31 |
| 5309046 | Apparatus and method for product term allocation in programmable logic | — | 1994-05-03 |
| 5302865 | High-speed comparator logic for wide compares in programmable logic devices | Richard P. Vireday | 1994-04-12 |
| 5299203 | Semiconductor memory with a flag for indicating test mode | — | 1994-03-29 |
| 5170373 | Three transistor EEPROM cell | Bruce A. Doyle, Safoin A. Raad | 1992-12-08 |
| 5159599 | High speed testing for programmable logic devices | Bruce A. Doyle | 1992-10-27 |
| 5144582 | SRAM based cell for programmable logic devices | — | 1992-09-01 |
| 5134586 | Semiconductor memory with chip enable control from output enable during test mode | — | 1992-07-28 |
| 5134587 | Semiconductor memory with automatic test mode exit on chip enable | — | 1992-07-28 |
| 5128559 | Logic block for programmable logic devices | — | 1992-07-07 |
| 5121359 | Configuration memory for programmable logic device | — | 1992-06-09 |
| 5111079 | Power reduction circuit for programmable logic device | — | 1992-05-05 |
| 5099150 | Circuit block for programmable logic devices, configurable as a user-writable memory or a logic circuit | — | 1992-03-24 |
| 5099453 | Configuration memory for programmable logic device | — | 1992-03-24 |
| 5027011 | Input row drivers for programmable logic devices | — | 1991-06-25 |