250 nanometer

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CMOS manufacturing
processes

10 µm
3 µm
1.5 µm
1 µm
800 nm (0.80 µm)
600 nm (0.60 µm)
350 nm (0.35 µm)
250 nm (0.25 µm)
180 nm (0.18 µm)
130 nm (0.13 µm)
90 nm
65 nm
45 nm
32 nm
22 nm
16 nm

The DEC Alpha 21264A used the 250 nm CMOS process, and was made commercially available in 1999. The AMD K6-2 K6-3D "Chomper" and "Chomper Extended" also used the 250 nm process. Chomper was released on May 28, 1998. In addition, the Deschutes core Pentium II at 333 MHz was Intel's first Pentium II at 250 nm.