TTL compatible input buffer
US4791322A · kind A · utility
14Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 19, 1987 |
| Grant date | Dec 13, 1988 |
| Priority date | — |
| Expiry date | May 19, 2007 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K19/018535
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
This invention discloses a TTL compatible input buffer which includes means for preventing appreciable current flow into the buffer circuit upon input voltage being supplied to the input signal lead which is substantially above the voltages supplied to the voltage supply terminals of the circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.