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32Gbyte NAND flash meets eMMC, eSD standards

Posted: 12 Aug 2008 ?? ?Print Version ?Bookmark and Share

Keywords:NAND flash? eMMC standard? embedded device?

Toshiba 32Gbyte NAND flash

Toshiba Corp. has launched the 32Gbyte embedded NAND flash memory devices that are touted to offer the largest density yet, plus full compliance with the eMMC and eSD standards. The embedded devices are designed for application in digital consumer products, including mobile phones, video cameras, HDTV, personal navigation devices, POS terminals, printers and STBs.

The new 32Gbyte flash devices combine eight 32Gbit (4Gbyte) NAND chips fabricated with Toshiba's 43nm process technology and also integrate a dedicated controller. Full compliance with JEDEC/MMCA Ver. 4.3 and SDA Ver. 2.0 high-speed memory standards for memory cards as defined by the MultiMediaCard Association and SD Card Association, respectively, supports standard interfacing and simplified embedding in products, reducing development burdens on product manufacturers.

Toshiba offers a line-up of single-package embedded NAND flash memories that include a controller to manage basic control functions for NAND applications: LBA-NAND memory, which has a NAND interface; eSD large capacity chips with SD interface; and eMMC with an HS-MMC interface. The line-up, available in densities ranging from 1- to 32Gbyte, supports applications in a very wide range of products.

The integrated controller, compliant with JEDEC/MMCA Ver. 4.3 and SDA Ver. 2.0, handles essential functions, including writing block management, ECC and driver software. It simplifies system development, allowing manufacturers to minimize development costs and to improve time to market for new and upgraded products.

In addition, the high-capacity 32Gbyte device can record up to 560hrs of data at a bit rate of 128Kbit/s and can record hours of full spec high-definition video and 7.3hrs of standard definition video 4.

Samples will be available in September and mass production will start in Q4.





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