Control circuit for bicmos bus drivers
US5852383A · kind A · utility
6Cited by
4References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 11, 1996 |
| Grant date | Dec 22, 1998 |
| Priority date | — |
| Expiry date | Dec 11, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K19/001
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
The invention relates to a "power on demand" control circuit and the application thereof in a BiCMOS bus driver. The basic object resides in the creation of such a circuit with a low power need and a simple structure. This aim is to be solved by the provision of a control loop comprising a diode series circuit arrangement (D1, D2) and a bipolar transistor (Q2) between the collector and the base of the output transistor (Q1), which is of such a size that in the stable L state the base current of the outlet transistor (Q1) is so selected that the L state is maintained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.