Patent ID: 7439768
Filing Date: 2008-10-21
Classification: H03K

Abstract:
1. A dedicated logic cell having a configurable logic function (LL), comprising: a first look-up table having a plurality of inputs for receiving a set of inputs (I a second look-up table having a plurality of inputs for receiving the set of inputs (I a third look-up table having at least one input (I a fourth-look-up table having at least one input (I 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, and a fourth input coupled to the at least one output of the fourth look-up table, a first select input pin (S a first multiplexer having a select input, an input (I a second multiplexer having a select input, an input (I where in the configuration pin of the first multiplexer selects the select input or the input (I