Reconfigurable integrated circuits with scalable...

Details Reconfigurable integrated circuits with scalable... Reconfigurable integrated circuits with scalable...

2007-09-25

2007-09-25

Tan, Vibol (Department: 2819)

Electronic digital logic circuitry

Multifunctional or programmable

Array

C326S047000, C716S030000, C716S030000

Reexamination Certificate

active

11333191

ABSTRACT:
An integrated circuit (IC) includes a number of function blocks (FB), of which at least one is re-configurable. Each of the FBs may be a reconfigurable function or a non-reconfigurable function or recursively expanded with additional “nested” function blocks. The IC further includes a number of input pins, a number of output pins, an adder, and a number of crossbar devices. The elements, at least at the IC level, are coupled in a manner such that all input signals are provided to the FBs through a first subset of the crossbar devices, all internal signals are routed from one FB to another FB through a second subset of crossbar devices, and all output signals are routed from the FBs to the output pins through a third subset of crossbar devices. To increase routability and speed each of the crossbar device output has a single fanout. Additionally, each of the crossbar devices may provide only one input to each other crossbar device.

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