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ONFI speeds time-to-market for NAND-based products

Posted: 23 Jan 2007 ?? ?Print Version ?Bookmark and Share

Keywords:flash? NAND? memory? Open NAND Flash Interface? ONFI 1.0 specification?

The Open NAND Flash Interface (ONFI) Working Group, the organization dedicated to simplifying integration of NAND flash memory into consumer electronics devices, computing platforms and industrial systems, announced the availability of what it touts as the first industry standard for chip-level NAND interface.

According to the press release, ONFI 1.0 specification simplifies flash controller design, which facilitates the integration of a wide range of NAND flash components into diverse end-use applications. The ONFI 1.0 standard defines NAND device behavior, such as command and register sets, pin-out, electrical parameters and packaging. In addition, the specification provides the NAND Flash with the ability to identify itself and provide key characteristics such as memory layout, timing support, and enhanced features to the controller, via a standardized protocol, said ONFI.

The self-describe capability expands the range of NAND Flash components that the application can efficiently accommodate, the group said. It also enables support for new flash components with minimal software changes, thus shortening qualification cycles and improving time-to-market for ODMs and OEMs.

With the completion of the 1.0 specification, the group said it will now focus on increasing the flash interface transfer rate to improve overall system-level performance. ONFI said it will continue to simplify host controller design by providing a block abstraction capabilityenabling the use of an even wider range of NAND flash components in many applications.

In addition, ONFI plans to define a flash module, including a tailored module connector which will enable an industry standard, pluggable NAND module similar to a DRAM module used in computing platforms today. This next generation specification is scheduled to be completed in the second half of 2007.

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