Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2011-03-08
2011-03-08
Vu, Thong H (Department: 2465)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C341S120000
Reexamination Certificate
active
07903679
ABSTRACT:
In a programmable logic device with a number of different types of serial interfaces, different power supply filtering schemes are applied to different interfaces. For interfaces operating at the lowest data rates—e.g., 1 Gbps—circuit-board level filtering including one or more decoupling capacitors may be provided. For interfaces operating at somewhat higher data rates—e.g., 3 Gbps—modest on-package filtering also may be provided, which may include power-island decoupling. For interfaces operating at still higher data rates—e.g., 6 Gbps—more substantial on-package filtering, including one or more on-package decoupling capacitors, also may be provided. For interfaces operating at the highest data rates—e.g., 10 Gbps—on-die filtering, which may include one or more on-die filtering or regulating networks, may be provided. The on-die regulators may be programmably bypassable allowing a user to trade off performance for power savings.
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Hoang Tim Tri
Shumarayev Sergey
Tran Thungoc M.
Wong Wilson
Altera Corporation
Ingerman Jeffrey H.
Ropes & Gray LLP
Vu Thong H
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