Based on the technical capabilities and know-how cultivated in mobile memory semiconductors, we are expanding the stage of activities in the world.

There is always a Jeju semiconductor at the center of the change in the mobile environment. Important memory enabling the implementation of functions of mobile devices Based on accumulated technical expertise of the semiconductor design department, the history of development of products that can satisfy customer's needs regardless of any changes in the mobile environment in the future.

Rejuvenation period
  • 2021

    5G IoT Memory Qualified

  • 2020

    AEC-Q100 Qualified, Started DDR4 design

  • 2018

    Start mass production of eMMC

  • 2017

    Start mass production of 64Mb OctaRAM

  • 2016

    Started 128Mb OctaRAM design

  • 2015

    Started 64Mb OctaRAM design

  • 2014

    Start mass production of 1Gb LPDDR1

  • 2013

    Start mass production of NAND MCP

  • 2013

    Change corporate name (EMLSI → JSC / Jeju Semiconductor)

  • 2020

    Start mass production of DDR3/LPDDR4 NAND MCP

  • 2019

    Start mass production of SPI NAND / SD NAND / eMCP

  • 2017

    Started design of U2RAM

  • 2016

    Started 64 Mb T2M design

  • 2015

    Start mass production supply of 128Mb T2M

  • 2014

    Started design of 2Gb LPDDR2

  • 2014

    Start mass production supply of 512Mb LPDDR1

  • 2013

    Started mass production supply of 256M LPDDR1

Mature stage
  • 2012

    production supply of 64M CRAM MCP

  • 2008

    Start mass production of 16Mb / 32Mb / 64Mb CRAM

  • 2005

    Head office Jeju Island

  • 2011

    USD 84,000,000 achieved

  • 2007

    Merger with Ramsway

Jumping period
  • 2004

    Started development and mass production of 16M Pseudo SRAM

  • 2003

    Start development and mass production of 1M, 2M, 8M SRAM

Base Builder
  • 2001

    Developed 4M SRAM for the purpose of selling Nokia (then the mobile phone market share at that time) and started mass production supply

  • 2000

    Established EMLSI Co., Ltd.