250 nm process
# 250 nm process

The 250 nm process (250 nanometer process or 0.25 µm process) is a level of semiconductor process technology that was reached by most manufacturers in the 1997–1998 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 250 nm.
* 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.

| Preceded by 350 nm | CMOS manufacturing processes | Succeeded by 180 nm |
| - | - | - |

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