Device and method for characterizing signal skew
US5991890A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 16, 1998 |
| Grant date | Nov 23, 1999 |
| Priority date | — |
| Expiry date | Apr 16, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R31/3016
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device and method for characterizing signal skew between a first signal and a second signal. The device includes a delay chain and a first transition detector in communication with the delay chain. The first transition detector is configured for receiving the first signal and provides a pulse signal to the delay chain upon detecting a transition of the first signal. The device includes a second transition detector which is in communication with a latch and is configured for receiving the second signal. The second transition detector sets the latch upon detecting a transition of the second signal. At least one pass gate is connected to the delay chain and the latch. At least one timing latch is connected to the pass gate for receiving signal skew information between the first and second signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.