Electronic digital logic circuitry – Interface – Current driving
Patent
1998-12-28
2000-08-08
Tokar, Michael
Electronic digital logic circuitry
Interface
Current driving
326 21, H03K 190175
Patent
active
061007196
ABSTRACT:
A control circuit for a low-voltage bus switch where the control circuit keeps the bus switch open by stealing power from switch I/O terminals during the loss of supply voltage and thereby maintaining bus isolation. The control circuit also provides a good high level and presents a low switch impedance.
REFERENCES:
patent: 4972377 (1990-11-01), Lee
patent: 5397641 (1995-03-01), Merrill
patent: 6034553 (2000-03-01), Kwong
Graves Christopher M.
Marum Steven E.
Brady III W. James
Swayze, Jr. W. Daniel
Telecky Jr. Frederick J.
Texas Instruments Incorporated
Tokar Michael
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