On-die impedance calibration
US7391221B2 · kind B2 · utility
0Cited by
3References
6Claims
0Family size
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Key dates
| Filing date | Jun 24, 2005 |
| Grant date | Jun 24, 2008 |
| Priority date | — |
| Expiry date | Sep 2, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R31/2853
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
One exemplary device has a plurality of leads with termination impedances, and a standard impedance. Among the termination impedances are master impedances arranged to be calibrated by comparison with the standard impedance and slave impedances arranged to be calibrated in accordance with an associated master impedance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.