Patent ID: 7358765
Filing Date: 2008-04-15
Classification: H03K

Abstract:
1. A dedicated logic cell, comprising: in a first logic and routing cell, comprising wherein the configurable logic function (LL) structure comprises: a first look-up table having a plurality of inputs for receiving a set of inputs and at least one output; a second look-up table having a plurality of inputs for receiving the set of inputs and at least one output; a third look-up table having at least one input and at least one output; a fourth-look-up table having at least one input and at least one output; and a 4-to-1 multiplexer having a first input coupled to the at least one output of the first look-up table, a second input coupled to the least one output of the second look-up table, a third input coupled to the least one output of the third look-up table, a fourth input coupled to the at lest one output of the fourth look-up table, a first select pin or a fifth input pin, a second select pin or a sixth input pin, and an output.