A programmable logic device has a plurality of super-regions of programmable circuitry disposed on the device in a two-dimensional array of such super-regions. Each super-region includes a plurality of regions of programmable logic and a region of programmable memory. Each logic region includes a plurality...http://www.google.de/patents/US6480028?utm_source=gb-gplus-sharePatent US6480028 - Programmable logic device architectures with super-regions having logic regions and memory region
