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A single-chip 32-b microprocessor designed in a 2-μm (drawn) CMOS process with two layers of metal interconnect is described. The microprocessor implements the VAX architecture. A one-transistor dynamic RAM cell is used to build a 1-kbyte instruction and data cache. The chip contains 134000 transistors, is 9.4×9.7 mm/SUP 2/ large, operates at 5.0 V, and dissipates 1.5 W.