Universal Flash Storage
Universal Flash Storage (UFS) is a common flash storage specification for digital cameras, mobile phones and consumer electronic devices. This could bring higher data transfer speed and increased reliability in flash memory storage, thus reducing market confusion and the varying number of adapters for different number of cards.
The proposed specification is supported by leading firms in the consumer electronics industry such as Nokia, Sony Ericsson, Texas Instruments, STMicroelectronics, Samsung, Micron, SK Hynix. The electrical interface for UFS uses the M-PHY., developed by the MIPI Alliance. This offers the possibility of higher speed, ease of integration into embedded applications, and lower power consumption compared to SD cards. Universal Flash Storage uses a SATA 300 MB/s internal connection, about three times faster than e•MMC. Unlike e•MMC, Universal Flash Storage uses the SCSI architectural model.
The standard is developed by, and available from, the JEDEC Solid State Technology Association. In September 2013, JEDEC published JESD220B UFS 2.0 (update to UFS v1.1 standard published in June 2012). JESD220B Universal Flash Storage v2.0 offers increased link bandwidth for performance improvement, a security features extension and additional power saving features over the UFS v1.1.
- PC World - Nokia, Others Back Mobile Memory Standard
- JEDEC Announces Publication of Universal Flash Storage (UFS) Standard
- Malykhina, Elena (14 September 2007). "Mobile Tech Companies Work On Flash Memory Standard". Information Week. Retrieved 19 September 2012.
- Modine, Austin (14 September 2007). "Flash memory makers propose common card". The Channel. Retrieved 19 September 2012.
- Stephen Shankland (January 14, 2011). "Want a new flash memory card format?". CNet.
- Universal Flash Storage Association
- Presentation by Scott Jacobson and Harish Verma at Flash Memory Summit 2013
- Universal Flash Storage (UFS 1.1) (JESD223A) (Jun 2012) (free download, registration required)
- Universal Flash Storage (UFS) (JESD220) (Feb 2011) (login required)
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