Patent ID: 6636930
Filing Date: 2003-10-21
Classification: H03K

Abstract:
A turning structure for routing channels in a field programmable gate array comprising:a first plurality of sets interconnect conductors forming routing channels having a first direction; a second plurality of sets of interconnect conductors forming routing channels having a second direction and each first plurality of sets routing channels forming a plurality of discreet intersections with each second plurality of sets of routing channels; a first set of programmable elements disposed on selected ones of selected first sets of said discreet intersections in a first pattern; a second set of programmable elements disposed on selected ones of selected second sets of said discreet intersections in a second pattern; a third set of programmable elements disposed on selected ones of selected third sets of said discreet intersections in a third pattern; a fourth set of programmable elements disposed on selected ones of selected fourth sets of said discreet intersections in a fourth pattern; and a fifth set of programmable elements disposed on selected ones of selected fifth sets of said discreet intersections in a fifth pattern.