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Sony and SanDisk Develop ''Memory Stick Micro'' (M2) Format

Ultra-small IC recording media for mobile phones (September 30, 2005)

Sony and SanDisk are jointly developing the Memory Stick PRO Micro format, an ultra-small, removable flash storage card for mobile phones

Sony and SanDisk are jointly developing the Memory Stick PRO Micro format, an ultra-small, removable flash storage card for mobile phones

SanDisk Corporation and Sony Corporation today announced the development of the "Memory Stick Micro" format, an ultra-small IC recording media designed to meet the growing storage needs of highly compact, multifunctional mobile phones. Licensing for the development of "Memory Stick Micro" compatible hardware will begin October 3, 2005.

"Memory Stick Micro" media is approximately one-quarter the size of "Memory Stick PRO Duo" media, yet only about 1.2 mm thick. The media's edges are slotted lengthwise to allow for more slim-line designed connectors to reduce space in host devices. As dual-voltage media, Memory Stick Micro supports devices operating at 3.3 volts and 1.8 volts.

Memory Stick Micro is designed as an externally removable media with a controlled eject function to prevent users losing the media. Users will be able to insert Memory Stick Micro into an adapter for exchanging data to a Memory Stick PRO compatible product.

Dr. Eli Harari, president and chief executive officer of SanDisk Corporation, said, "The Memory Stick PRO format co-developed with Sony has become a highly successful product line for us due to its popularity with a wide range of consumer electronic products such as digital cameras and videogame consoles. Sony and SanDisk recognize the rapidly growing market opportunity for memory cards with multimedia mobile phones, and are joining forces to develop the ultra-small Memory Stick Micro format to foster development of extremely compact multimedia mobile phones."

Akira Kubota, President of Micro Systems Network Company, Sony Corporation, said, "Sony's collaboration with SanDisk Corporation has continued to develop since our initial announcement of the joint Memory Stick PRO format development in 2003. Today's joint announcement of the Memory Stick Micro format provides a new, versatile IC recording media for mobile products such as mobile phones for sharing entertainment and data."

Since the September 1998 market introduction of Memory Stick, cumulative shipments of media have achieved 145 million units as of August 2005(1). In recent years, Memory Stick media has been used not only to store still images of digital still cameras and sharing data among PCs, but has also been widely used for entertainment purposes such as playing back video and music content. As mobile phones become more advanced with varied functions, including video and music playback, there is an increasing need for smaller, high-capacity media which this product addresses.

The Memory Stick Micro media will be made available in the first half of 2006.

Memory Stick Micro Specifications
Dimensions 15 x 12.5 x 1.2 mm, 225mm3
Connector Pin 11-pin
Maximum Capacity 32GB (Theoretical) (2)
Max. Data Transfer Rate 160 Mbps (Theoretical) (3)
Operating Voltage 1.7 - 1.95 V and 2.7 - 3.6 V
Interface Serial I/F and 4-bit parallel I/F
Operating Temperature -25 degrees to +85 degrees C
Copyright Protection Technology MagicGate

1: The cumulative number includes Memory Stick, Memory Stick Duo, Memory Stick PRO and Memory Stick PRO Duo media.

2: This data does not guarantee that Memory Stick Micro media of 32 GB to be introduced to the market in the future. The product line-up of Memory Stick Micro media is not yet determined.

3: Actual transfer speed, functions, etc. of Memory Stick Micro media are dependent upon the specifications of the compatible device used.

About Sony Corporation
Sony Corporation is a leading manufacturer of audio, video, game, communications, key device and information technology products for the consumer and professional markets. With its music, pictures, computer entertainment and on-line businesses, Sony is uniquely positioned to be the leading personal broadband entertainment company in the world. Sony recorded consolidated annual sales of approximately $67 billion for the fiscal year ended March 31, 2005.

Sony Global Web Site:

About SanDisk
SanDisk is the original inventor of flash storage cards and is the world's largest supplier of flash data storage card products using its patented, high-density flash memory and controller technology. SanDisk is headquartered in Sunnyvale, CA and has operations worldwide, with more than half its sales outside the U.S.

For licensing information, please visit

For more information about SanDisk visit



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Related Keywords:Sony, SanDisk, Memory Stick Micro, M2, IC Recording Media, mobile phones, storage, Memory Stick PRO Duo,


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