Electronic digital logic circuitry – Multifunctional or programmable – Having details of setting or programming of interconnections...
Reexamination Certificate
2007-11-13
2007-11-13
Le, Don (Department: 2819)
Electronic digital logic circuitry
Multifunctional or programmable
Having details of setting or programming of interconnections...
C326S041000, C326S026000, C327S534000
Reexamination Certificate
active
11291712
ABSTRACT:
A programmable logic device having logic block that can be selectively placed in a reduced power consumption mode is provided. The PLD includes a plurality of logic array blocks (LABs) and a plurality of interconnects defining signal pathways between the plurality of LABs. Sleep control logic of the PLD issues a sleep control signal for placing at least a portion of the plurality of LABs in a sleep mode. Bias control logic of the PLD is in communication with the sleep control logic. The bias control logic is triggered by the sleep control signal to issue a first bias control signal and a second bias control signal. The first and second bias control signals are transmitted to corresponding transistors of the LABS. The first and second bias control signals apply a reverse bias to corresponding transistor wells to increase threshold voltages for the respective transistors.
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Lane Christopher F.
Zaveri Ketan H.
Altera Corporation
Le Don
Martine & Penilla & Gencarella LLP
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