Private company

Lexra

Logo: Lexra, Public domain, via Wikimedia Commons3

Lexra (1997–2003) was a semiconductor intellectual property core company based in Waltham, Massachusetts. Lexra developed and licensed semiconductor intellectual property cores that implemented the MIPS I architecture, except for the four unaligned load and store (lwl, lwr, swl, swr) instructions. Lexra did not implement those instructions because they are not necessary for good performance in modern software.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Lexra (1997–2003) was a semiconductor intellectual property core company based in Waltham, Massachusetts. Lexra developed and licensed semiconductor intellectual property cores that implemented the MIPS I architecture, except for the four unaligned load and store (lwl, lwr, swl, swr) instructions.2

Sources

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