Printed circuit board having conductors which can be decoupled f

Details Printed circuit board having conductors which can be decoupled f Printed circuit board having conductors which can be decoupled f

1998-06-12

1999-06-08

Gaffin, Jeffrey

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific quantity comparison means

361 92, 307 86, 307130, 365229, H02H 324

Patent

active

059108762

ABSTRACT:
A printed circuit board includes an edge connector operable to be coupled to an expansion bus. An integrated circuit is mounted on the printed circuit board and is coupled to the edge connector. The integrated circuit is operable to snoop memory operations on the expansion bus and cause selected memory data to be stored in a memory on the printed circuit board. A first power conductor extends across a first portion of the printed circuit board and is coupled to the integrated circuit. A second power conductor extends across a second portion of the printed circuit board and is also coupled to the integrated circuit. The circuit board also includes a decoupling unit connected between the first power conductor and the second power conductor. The decoupling unit causes disconnect of the first power conductor from the second power conductor during times in which voltage within the first power conductor is less than voltage within the second power conductor.

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