Hyperstone Flash Memory Controller

About Hyperstone

Hyperstone, a fabless semiconductor and microprocessor design company, was founded in 1990 and is based in Konstanz, Germany. Hyperstone’s products include microcontrollers for Serial-ATA and Parallel-ATA Solid State Disks (SSD), Disk-on-Module (DoM), Disk-on-Board (DoB), embedded Flash solutions such as eMMC, and Flash cards such as CF, SD & microSD. USB controllers complete the portfolio. Flash controller firmware is supplied complementary to the controllers and is customized for each flash and application.
Together with subsidiaries in Taiwan, USA and with other worldwide partners, Hyperstone serves a global customer base. Hyperstone is a member of the CML Microsystems Plc group, traded on the London Stock Exchange. The company’s research and development is based in Germany and Taiwan. Industry-leading partners provide world-class wafer subcontracting, packaging, and testing services. Hyperstone’s success is based on its proprietary 32-Bit RISC processor, optimized for flash handling applications.

Hyperstone is one of the pioneers in the flash memory controller business and owns several patents for flash handling, including wear leveling algorithms and microprocessor design.

Facts & Figures

Year founded



Dr. Jan Peter Berns
Christopher A.Gurry
Nigel G. Clark

Company Structure

Member of
CML Microsystems Plc Group


Headquarters: Konstanz, Germany

Sales: Asia, Europe, USA


Industrial Flash Memory Controllers

NAND Flash Management and firmware development


Corporate Mission Statement

We ...

  • define, develop and deliver high-quality, innovative semiconductor solution, enabling our customers to produce world-class products for global communications and data storage applications

  • focus on sub-markets and applications that have significant expertise barriers to entry

  • offer superior levels of technical support

Company Structure

CML Microsystems Plc  is a holding company for the group's operating subsidiaries
CML Microcircuits