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China fire rattles world chip supply chain

A fire at a giant Chinese factory making almost one sixth of the world's supply of a key high-tech component shows how vulnerable global manufacturing chains can be to an unexpected event, analysts say.

Hynix 'welcomes' US ruling against Rambus in patent suit

South Korea's SK Hynix, the world's number two memory chipmaker, "welcomed" Sunday a US court's ruling against rival Rambus that may lower compensation it must pay the US firm following a long-running patent dispute.

Micron Technology buying Elpida for about $750M

Memory-chip maker Micron Technology Inc. has agreed to buy Elpida Memory Inc. for approximately $750 million in cash in a deal that would boost its wafer manufacturing capacity by about 50 percent.

S. Korea's Hynix bids for Japan's Elpida

SK Hynix, the world's second largest microchip maker, said Friday it has submitted a preliminary bid for its struggling Japanese rival Elpida Memory.

Taiwan seeks merger with restructured Elpida

(AP) -- Taiwan's government said Wednesday it would continue to push for the consolidation of the island's memory chip makers with Elpida Memory Inc., two days after the Japanese chipmaker filed for bankruptcy.

S. Korea's Hynix swings to red in Q4 on poor demand

South Korea's Hynix Semiconductor, the world's second-largest maker of memory chips, said Thursday it swung into the red in the fourth quarter as chip prices fell on weak demand for personal computers.

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Dynamic random access memory

Dynamic random access memory (DRAM) is a type of random access memory that stores each bit of data in a separate capacitor within an integrated circuit. Since real capacitors leak charge, the information eventually fades unless the capacitor charge is refreshed periodically. Because of this refresh requirement, it is a dynamic memory as opposed to SRAM and other static memory.

The advantage of DRAM is its structural simplicity: only one transistor and a capacitor are required per bit, compared to four transistors in SRAM. This allows DRAM to reach very high density. Unlike flash memory, it is volatile memory (cf. non-volatile memory), since it loses its data when the power supply is removed.

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