Input circuit for an integrated circuit
US6137314A · kind A · utility
4Cited by
5References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 29, 1999 |
| Grant date | Oct 24, 2000 |
| Priority date | — |
| Expiry date | Nov 29, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K19/018585
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An input circuit has an inverter and a differential amplifier, which are respectively connected on an input side to an input and on an output side to an output of the input circuit. The input circuit has two operating modes defined by an activation signal, the differential amplifier being activated and the inverter being deactivated in a first operating mode, and the differential amplifier being deactivated and the inverter being activated in a second operating mode. In this manner, the input circuit has the advantage of selective operation with LVTTL or SSTL levels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.