Zero power, high impedance TTL-to-CMOS converter
US5144167A · kind A · utility
52Cited by
3References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 10, 1991 |
| Grant date | Sep 1, 1992 |
| Priority date | — |
| Expiry date | May 10, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K19/018521
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A TTL-to-CMOS buffer converts TTL logical signals to CMOS logical signals. The circuit draws little or no power for either valid TTL signal level. The circuit also has high input impedance so that there is little or no input current.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.