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                      | HITACHI HOME | UP | SEARCH | HITACHI

                      News Release

                      August 24, 1998

                      Hitachi Breaks the Density Barrier with Industry's First 256-Mbit Flash Memory Components
                      New Flash Chips Enables Industry's Highest-Density Flash Cards,Delivering Optimized Performance for Next-Generation Portable Computing, Digital Imaging and Industrial Applications

                      Hitachi, Ltd.(HIT:NYSE) today announced the release of the industry's first 256-Mbit Flash components, enabling the company and its customers to deliver the market's highest-density CompactFlashTM and PC-ATA cards of up to 192 MBytes and 640 MBytes, respectively. Using a proven 0.25-mm process, these components utilize an enhanced Multi-Level Cell (MLC) technology that features the inherent benefits of high storage densities and lower cost-per-bit while providing enhancements in terms of power consumption and speed. Sample shipments of the 192-MByte CompactFlashTM and 640-MByte PC-ATA cardswill begin in Q4 1998. Volume availability will begin in Q1 1999. Samples of the 256-Mbit MLC Flash components will be available in Q1 1999 and volume availability will start in Q2 1999.

                      With superior overall performance, Hitachi's 256-Mbit Flash components are the industry's only solution that truly provides the Flash card write speed and capacity demanded by the emerging requirements of palmtop computers, digital cameras, industrial devices and embedded designs. By offering the industry's highest-capacity CompactFlashTM and PC-ATA cards, Hitachi is prepared to provide the most effective nonvolatile memory storage solution for current and emerging market needs. Featuring the lowest operating power consumption and fastest write/erase performance, Hitachi's new Flash cards present the ideal data storage medium for portable applications.

                      Two key market sectors for the 192- and 640-MByte Flash cards include professional digital photography and industrial devices. As digital cameras enter higher- resolution "mega-pixel" generations, the Flash memory utilized to store the images must be able to offer the capacity required for the larger images, as well as the data transfer rates necessary to write the image in a convenient amount of time. Hitachi's new 256-Mbit-based Flash cards provide the only solution to this trend in performance demands by offering superior densities with the fastest write/erase speeds-3 MBytes/sec. or approximately 30 times faster than the industry's current mean performance of MLC-based cards at 100 KB/sec. Further, these Flash cards are based on Hitachi's technology-leading Flash components that feature the industry's fastest erase speed (2 MBytes/sec.) and read speed (greater than 13.4 MBytes/ sec.), essential to the overall operation and performance of any host device.

                      With the new 192- and 640-MByte cards, Hitachi brings the benefits of solid-state storage to bear on a key sector at the low-end of the hard disk drive market: industrial appliances. These devices-such as electronic portable maintenance manuals and field-hardened PCs-generally require hard drives of 100- to 300-MByte capacities to store files. However, industrial devices are subject to rugged use and prone to shock and vibration that can damage hard disk drives and corrupt their data. With no moving parts and a high resistance to rough treatment, Flash memory has always provided the ideal storage medium for these applications, though it previously could not deliver the necessary storage capacities in a cost-effective manner. Hitachi's 256-Mbit Flash components provide a way for the company and its customers to construct cards that offer densities similar to hard disk drives while offering the data integrity and reliability of Flash.

                      Hitachi, Ltd., headquartered in Tokyo, Japan, is one of the world's leading global electronics companies, with fiscal 1997 (ending March 31, 1998) consolidated sales of 8,417 billion yen (63.8 billion dollars*). The company manufactures and markets a wide range of products, including computers, semiconductors, consumer products and power and industrial equipment. For more information on Hitachi, Ltd., please visit Hitachi's Web site at http://www.hitachi.co.jp.
                      *At an exchange rate of 132 yen to the dollar.

                      Pricing and Availability

                      Product Name

                      Capacity
                      Sample Price
                      (Yen)

                      256-Mbit Flash Memory

                      HN29W25611
                      256-Mbit
                      12,400

                      CompactFlashTM

                      HB288032C5
                      32-Mbyte

                      Open Price

                      HB288064C5
                      64-Mbyte
                      HB288192C5
                      192-Mbyte

                      PC-ATA Card

                      HB288128A5
                      128-Mbyte
                      HB288320A5
                      320-Mbyte
                      HB288640A5
                      640-Mbyte

                      256-Mbit flash memory

                      Item

                      Specification

                      Memory Organization

                      32M-Word x 8-bit

                      Operation voltage

                      3.3V +/- 0.3V / 5.0V +/- 0.5V

                      External power supply voltage

                      at 3.3V
                      at 5V


                      Standby (typ.)

                      1 micro A
                      2 micro A


                      Read (typ.)

                      20mA
                      30mA


                      Write/ Erase (typ.)

                      20mA
                      30mA

                      Read

                      1st. access (max.)

                      50 micro s


                      Serial access (max.)

                      50ns

                      Write

                      Unit

                      2048-byte


                      Time (typ.)

                      1ms

                      Erase

                      Unit

                      2048-byte


                      Time (typ.)

                      1ms

                      Package

                      48-pin TSOP type-I, 28-pin TCP

                      Card incorporating 256-Mbit flash memory

                      Item

                      CompactFlashTM
                      PC-ATA card

                      Interface specifications

                      PC Card Standard ATA
                      True IDE Mode

                      Capacity

                      32M/64M/192Mbyte
                      128M/320M/640Mbyte

                      Operating voltage

                      3.3V +/- 5.0% / 5.0V +/- 10%

                      Reprogramming speed

                      3M-byte / sec.(max.) (6-chip interleave)

                      External power supply voltage

                      at 3.3V
                      at 5V
                      at 3.3V
                      at 5V


                      Sleep(typ.)
                      0.3mA
                      0.5mA
                      0.5mA
                      1.0mA


                      Read(typ.)
                      25mA
                      40mA
                      25mA
                      40mA


                      Write(typ.)

                      25mA

                      45mA

                      25mA

                      45mA

                      Package

                      CompactFlashTM
                      Specification
                      42.8 x 36.4 x3.3mm3
                      PC Card Standard(type-II)
                      Specification
                      54.0 x 85.6 x 5.0mm3

                      CompactFlashTM is a trademark of SanDisk Corporation and is licensed to the CompactFlashTM Association (CFA). Hitachi is a member of the CFA.


                      WRITTEN BY Secretary's Office
                      All Rights Reserved, Copyright (C) 1998, Hitachi, Ltd.

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