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NAND flash MCP designed for multimedia cellphones

Posted: 02 Mar 2006 ?? ?Print Version ?Bookmark and Share

Keywords:MCP? multi-chip package? NAND flash? LPSDRAM? low-power synchronous dynamic RAM?

STMicroelectronics announced a new multi-chip package (MCP) memory portfolio that aims to meet the needs of multimedia applications in 3G and CDMA cellphones, and in other portable devices where memory requirements are high, and space and power are limited. The series offers memory densities up to 1Gbit of NAND flash with up to 512Mbit of low-power synchronous dynamic RAM (LPSDRAM) in a single package.

Demand for multimedia applications on 3G phones is said to be increasing rapidly, and today's models are capable of taking pictures, playing and capturing video, and web surfing. The requirements of advanced image and audio processing capability, faster throughput and greater storage is changing the phone's structure from a simple voice signal receiver and transmitter to a PC-like architecture that is more general-purpose and is able to recognize and properly use data for images, video and audio.

MCPs mount two (or more) chips in a single package to minimize the space required while increasing the memory density and offering the necessary different memory types.

The new MCPs can be configured to match a variety of specific applications: bus width, memory density, clock frequency and data rate can be configured to meet specific requirements. The NAND flash and LPSDRAM components have separate power supplies and ground lines, as well as separate control, address and I/O signals, to allow simultaneous access to both chips.

According to ST, the devices offer high memory density for storage of multimedia objects and have high data throughput. Other handheld applications include PDAs and GPS units. All combinations are available now and offered in a range of BGA packages fully compatible with other devices available on the market.

Prices for the NAND flash MCP devices range from $11 to $17 in volumes of 1,000 onwards.

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