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A 32-bit single-chip microprocessor is described that directly implements 102 System/370 instructions and supports the emulation of the rest of the instructions. It is fabricated using a 2-μm polysilicon-gate NMOS technology with two levels of aluminium. The chip is 10×10 mm/SUP 2/ with 200000 transistor sites. It is designed for a 10-MHz clock at worst case and has been operated at 18 MHz with a 3-W power dissipation. The design and verification methodologies and the testing consideration are also described.
Date of Publication: Oct 1986