An improved macrocell is provided for summing product term inputs to complete a sum of products. Some or all of a macrocell's product terms can be allocated to another macrocell. The macrocell OR function remains available to sum product term inputs, even when other product term inputs in the same macrocell...http://www.google.es/patents/US5350954?utm_source=gb-gplus-sharePatente US5350954 - Macrocell with flexible product term allocation
