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Micron Technology has agreed to buy Elpida Memory for $2.5 billion in a bid to bolster its manufacturing capacity.

Under the deal, Micron Technology will buy the bankrupt Japanese chip maker for 60 billion yen ($754 million) in cash. Micron will then pay 140 billion yen in upcoming annual installments to cover Elpida’s debt.

Micron, based in Boise, Idaho, also announced on Monday that it was buying a 24 percent stake in the Rexchip Electronics Corporation from the Powerchip Technology Corporation for about $334 million. Since Elpida owns a 65 percent stake in Rexchip, Micron will own 89 percent of that company once both deals close.

Elpida, which makes dynamic random-access memory chips used in personal computers and other products, filed for bankruptcy earlier this year amid mounting debt and falling chip prices. Although some analysts questioned Micron’s appetite for all of Elpida, the deal would allow Micron to expand its manufacturing capacity at a relatively low price.

Elpida owns a large chip fabrication factory in Hiroshima, Japan, while Rexchip has one in Taiwan along with a testing facility in Akita, Japan. According to a Micron news release, the deals should increase manufacturing capacity by 50 percent.

“We get significantly inexpensive or less costly assets,” Ronald C. Foster, Micron’s chief financial officer, said in a conference call on Monday morning. “It’s a very economic solution for us.”