Sunnyvale, Calif.-- Oct. 28, 1997-- SanDisk Corporation has completed development of the world's first Double Density 80-megabit flash chip. The accomplishment was made possible following two separate 80-megabit joint development programs that SanDisk worked onwith Matsushita Electronics Corp. (MEC) and NEC Corp. When SanDisk commences product shipments, currently planned for mid-1998, the chipwill allow the company to lower flash prices and significantly increase the capacity of all SanDisk flash storage products. The capacity of CompactFlash (CF) memory cards will be more than doubled to 60 megabytes with the 80-megabit chip, while the capacity of other products also will be substantially increased.
This Double Density 80-megabit chip will allow SanDisk to put 10 megabytes in a single standard TSOP (thin small outline package) andenable SanDisk to offer a two-chip, 10-megabyte chipset solution.
The achievement was accomplished by combining the 0.35-(m manufacturing technology of MEC and NEC with SanDisk's patented Double Density Flash. Double Density Flash essentially doubles the capacity of flash storage products by storing two bits of informationin each flash cell. Double Density Flash, sometimes referred to as multistate or multilevel flash technology, was first introduced by both SanDisk and MEC in November, 1996, when they introduced a megabit flash chip. SanDisk was the world's first company to ship 64-multistate flash storage products and is today the only company in production of such products.
With the 80-megabit (or 10-megabyte) flash chip, the top capacityof SanDisk CompactFlash cards increases from 24 to 60 megabytes, the highest capacity CF cards on the market. The top capacity of the flash chipset increases from 8 to 20 megabytes; Type II PC cards from150 to 200 megabytes; Type III PC cards from 300 to 500 megabytes; and SanDisk's embedded 1.8" FlashDrive from 240 to 350 megabytes. These are now the industry's highest capacity products in their respective categories.
Internal qualification of products based on the 80-Mbit flash chipis expected to be completed in Q1, 1998, with customer shipments expected in Q2, 1998. Demonstration units will be shown at the SanDisk booth (L-1204, Las Vegas Convention Center) at Fall COMDEX inLas Vegas, Nov. 17-21.
SanDisk also has increased the performance of its Double Density Flash products. With 80-megabit flash, sustained write speeds have been increased to over 100 kilobytes a second, while sustained read speeds have been increased to 1.8 megabytes per second. The 80- megabit chip will operate at 3.3 or 5.0 volts and is 100 percent plug and play compatible with all of SanDisk's existing flash products.
SanDisk's new 80-megabit chips work with the company's intelligent controller chip to provide a complete storage system. Only one 80-megabit chip and one controller chip are needed to build,for example, a 10-megabyte formatted FlashDisk card.
A 10-megabyte chipset will be priced at $45 in high volume OEM pricing. This allows SanDisk to achieve a $4.50 per megabyte price.Other higher capacity SanDisk products will be priced at approximately the same price per megabyte.
Return to Headlines