The 250 nm process (250 nanometer process or 0.25μm process) is a level of semiconductor process technology that was reached by most manufacturers in the 19971998 timeframe.

Products featuring 250 nm manufacturing process

• The DEC Alpha 21264A, which was made commercially available in 1999.

• The AMD K6-2 Chomper and Chomper Extended. Chomper was released on May 28, 1998.

• The AMD K6-III "Sharptooth" used 250nm.

• The mobile Pentium MMX Tillamook, released in August 1997.

• The Pentium II Deschutes.

• The Pentium III Katmai.

• The Dreamcast's CPU and GPU.

• The initial version of the Emotion Engine processor used in the PlayStation 2.

References