On-die receiver coupling capacitance testing
US10862714B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2019 |
| Grant date | Dec 8, 2020 |
| Priority date | — |
| Expiry date | Oct 31, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10D1/68
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method for testing on-die capacitors is provided. The method comprises transmitting, during a first time period, a first modulated testing signal from a first transmitter port of a transmitter to a first receiver port of a receiver along a first path of a differential signal, the first receiver port connected to a first on-die capacitor in the receiver along the first path; driving, during the first time period, a constant voltage on a second transmitter port of the transmitter to a second receiver port of the receiver along a second path of the differential signal comprising a second on-die capacitor; and determining whether the first on-die capacitor is functional, based on the first modulated testing signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.