Spansion is expanding its output of Flash memory by adding a $1.2bn production line in Japan.
The US-based firm, which is one-third owned by AMD, will house the new facilities in its existing complex in Fukushima, Japan.
Bertrand Cambou, chief executive at Spansion, said that the manufacturing facilities would be up and running by summer 2008.
The plant will produce 45-nanometre microchips, although Spansion said if it decides to turn out 65-nanometre chips instead the factory could be online sooner.
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