Power-up circuit for field programmable gate arrays

Details Power-up circuit for field programmable gate arrays Power-up circuit for field programmable gate arrays

1997-01-03

1998-10-27

Leja, Ronald W.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

361 18, H02H 900

Patent

active

058285385

ABSTRACT:
A protection circuit prevents a current spike in a logic module in a field programmable gate array during power up of the gate array. The protection circuit supplies a voltage onto an internal disable input of the logic module during power up until a voltage output by a charge pump reaches a predetermined voltage. The voltage on the internal disable input turns off transistor(s) in the logic module and prevents the current spike. When the voltage output by the charge pump reaches the predetermined voltage, the protection circuit no longer supplies the voltage to the logic module's internal disable input.

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