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Flash controller IP offers ONFI-3.0 compliance

Posted: 19 Aug 2011     Print Version  Bookmark and Share

Keywords:flash controller  NAND  IP 

Posedge Inc. expands its IP portfolio with the availability of ONFI-3.0 compliant Universal flash controller that offers faster data transfer speed, increased performance and cost savings.

According to the company, storage capacity and access speeds are the key differentiators for NAND flash controllers and Posedge's ONFI-3.0 compliant Universal flash controller provides a standard NAND Flash device interface conforming to the new standards while maintaining backward compatibility with the earlier versions of the standard.

The IP provides flexibility up to 40bits of ECC for different applications. It also features flexible Spare locations and ECC on Spare area.

Posedge Universal flash controller features 2K to 16K page sizes and 256byte to 1K Sector size for ECC. The IP also offers single ended, differential interface support.

Posedge UFC offers flexibility by supporting both SLC and MLC flash memories and can operate with NOR Flash, SRAM and Serial flash devices giving customers flexibility in their design.

"Posedge ONFI-3.0 compliant Universal flash controller provides extreme flexibility with respect to Sector/Page sizes, bits of error correction etc. to make the controller suitable to various applications. The delay tap circuitry and the PHY logic also enables connecting to NV-DDR-2 devices," said Chakra Parvathaneni, VP Marketing, Posedge Inc. The design claims to support several advanced features like supporting multiple ECC engines, multi-channel flash support, and Auto-Boot modes.

As NAND Flash capacity increases, controllers need to provide greater performance and flexibility. According to the company, Posedge UFC supports up to 128GB of flash memory and 400MT/s for adaptation into SSDs and other high performance applications. Posedge's UFC also supports the NV-DDR-2 mode for delay matching and these high data rates.

"Posedge also provides a total solution for NAND Flash development via our FPGA based Software Development board, along with the necessary drivers for the testing of various NAND, NOR Flash and SRAM for simultaneous Software development enabling customer a quicker development path to market," added Parvathaneni.

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