Increased gate counts and higher clock speeds in programmable logic ICs have resulted in higher current requirements while smaller device geometries are driving lower core supply voltages. Simultaneously, new communications and memory technologies (DDR, DDR2) are requiring additional new supply voltages. Table 1 shows this low voltage trend in the generational progression of Xilinx FPGAs (Field Programmable Gate Arrays).
Table 1. Voltage Requirements of Xilinx FPGA Families
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