250 nanometer

Semiconductor manufacturing processes
10 µm — 1971 3 µm — 1975 1.5 µm — 1982 1 µm — 1985 800 nm (.80 µm) — 1989 600 nm (.60 µm) — 1994 350 nm (.35 µm) — 1995 250 nm (.25 µm) — 1998 180 nm (.18 µm) — 1999 130 nm (.13 µm) — 2000 90 nm — 2002 65 nm — 2006 45 nm — 2008 32 nm — 2010 22 nm — 2011 16 nm — approx. 2013 11 nm — approx. 2015 6 nm — approx. 2020 4 nm — approx. 2022
Half-nodes

The 250 nm process refers to a level of semiconductor process technology.

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 250 nm.
• The mobile Pentium MMX Tillamook, released in August 1997.
• The Pentium II Deschutes.
• The Pentium III Katmai.
• The Dreamcast CPU and GPU.
• The initial PlayStation 2's Emotion Engine CPU.

Preceded by 350 nm

CMOS manufacturing processes

Succeeded by 180 nm