GENERAL DESCRIPTION
The PALCE16V8 will directly replace the PAL16R8 and PAL10H8 series devices, with the exception of the PAL16C1. The PALCE16V8 utilizes the familiar sum-of-products (AND/OR) architecture that allows users to implement complex logic functions easily and efficiently. Multiple levels of combinatorial logic can always be reduced to sum-of-products form, taking advantage of the very wide input gates available in PAL devices. The equations are programmed into the device through floatinggate cells in the AND logic array that can be erased electrically. The fixed OR array allows up to eight data product terms per output for logic functions. The sum of these products feeds the output macrocell. Each macrocell can be programmed as registered or combinatorial with an activehigh or active-low output. The output configuration is determined by two global bits and one local bit controlling four multiplexers in each macrocell. AMD’s FusionPLD program allows PALCE16V8 designs to be implemented using a wide variety of popular industry-standard design tools.