Electronic digital logic circuitry – Multifunctional or programmable – Having details of setting or programming of interconnections...
Reexamination Certificate
2005-11-28
2010-02-02
Cho, James (Department: 2819)
Electronic digital logic circuitry
Multifunctional or programmable
Having details of setting or programming of interconnections...
C326S041000
Reexamination Certificate
active
07656187
ABSTRACT:
An integrated circuit like a programmable logic device (“PLD”) includes multiple channels of data communication circuitry. Circuitry is provided for selectively sharing signals (e.g., control-type signals) among these channels in groupings of various size so that the device can better support communication protocols that require various numbers of channels (e.g., one channel operating relatively independently, four channels working together, eight channels working together, etc.). The signals shared may include a clock signal, a FIFO write enable signal, a FIFO read enable signal, or the like. The circuit arrangements are preferably modular (i.e., the same or substantially the same from one channel to the next and/or from one group of channels to the next) to facilitate such things as circuit design and verification.
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Hoang Tim Tri
Lee Chong
Shumarayev Sergey Yuryevich
Tran Thungoc
Venkata Ramanand
Altera Corporation
Cho James
Jackson Robert R.
Ropes & Gray LLP
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