Major Products

Integrated Circuits

Provides high-performance and high-quality LSIs.

• Communication LSI

• Low Power Microcontroller

• 32-bit Microcontroller

• Speech LSI

• Audio LSI

• Security Authentication LSI

• Video LSI

• Video Memory

• P2ROM

• DRAM

• Display LSI

• Other LSI

• Optical Components

Wafer Foundry

We support businesses of our customers through foundry.

• Wafer foundry business

Packages

More value-added applications

• LSI Packages

• New Package

New Products & Topics

2010/08/26

Newly added: FAQ on Video LSI.


2010/08/03

Newly added: Smart Meter and Blood Glucose Meter on Applications page


2010/07/06

Newly added: FAQ on 8-bit low power microcontroller ML610400 series.


2010/06/03

Updated: Communication LSI to be connected to anyone in any time and anywhere.


2010/05/19

Updated: Optical Components that deliver high-quality optical transmission.


2010/05/18

Updated: Fingerprint Authentication LSI/module that propose convenient biometrics with the small mounting area.


2010/04/28

Updated: Compact and low power consumption Video Decoder LSI, that supports the video equipments using the compact image devices and various cameras.


2010/04/05

OKI SEMICONDUCTOR develops a 43 Gbit/s modulated laser with 1.3 μm wavelength band
43 Gbit/s serial transmission enables 10 km transmission distance


2010/03/23

Updated: 32bit Microcontroller having de facto standard ARM as its core


2010/03/04

New and updated pages to Low Power Microcontroller:
- New: Suitable for the controller of all compact battery-driven applications!
- Updated: Software Development Support System


2010/02/19

New pages to Speech Synthesis LSI:
- With stand-alone Built-in Flash/Mask ROM
- With CPU interface Built-in Flash/Mask ROM
- 4-Channel Mixing with Built-in Flash/Mask ROM
- 2M/4M/8M bit with large scale P2ROMTM


2010/01/05

"Applications" newly added.
The products are introduced from applications such as mobile phone, portable audio, digital video camera, home audio, DVD, air-conditioner, and car navigation.


2009/12/07

OKI SEMICONDUCTOR starts mass production of an IC chip set for managing multi-cell series-connected lithium-ion batteries. Adaptable to lithium-ion battery packs with 5 to 13 cells, with the optimum configuration for electric bicycles and tools.


2009/11/18

OKI SEMICONDUCTOR's ECO Devices lineup helping to save enery and reduce CO2 generation.


2009/11/12

Updated: Display LSI having various lineups such as the LCD driver, the VFD driver, the organic EL driver, and Car Clock driver to satisfy the customer's demand for the display panel.


2009/10/30

Updated: DRAM of small density supporting in a long-term stable supply and the customer's customized specification.


2009/10/30

Updated: P2ROM™ (Production Programmed ROM) which is nonvolatile memory of OKI SEMICONDUCTOR originally developed.


2009/10/30

Updated: High-speed Video Memory which realizes the high performace graphic data processing.


2009/10/05

Updated: High reliability Video LSI supporting signal process technology necessary for images and displays.


2009/09/25

Updated: Security Authentication LSI which is the specific LSI for the security system and fingerprint authentication system aiming world top class.


2009/09/08

Updated: Low Power Microcontrollers: Ultra low power "ECO-MCU" and 32bit Microcontrollers: General-purpose ARM MCU family.


2009/09/01

Updated: Communication LSI advancing the circumstances with connecting to anybody, in anywhere, anytime.


2009/08/31

Updated: High Sound Quality Speech LSI and Excellent Acoustic Technology Audio LSI


2009/07/28

OKI SEMICONDUCTOR starts high volume production of a postage stamp-sized compact fingerprint authentication module MK67Q5250
- Also releasing a fingerprint authentication LSI software development kit compatible with the new AuthenTec sensor for enriched total fingerprint authentication solution -


2009/06/08

OKI SEMICONDUCTOR develops image adjustment LSI with Timing Controller for small and mid-sized TFT LCDs -Providing optimal image adjustment for TFT LCD display systems-[pdf]


2009/06/08

OKI SEMICONDUCTOR develops the world's smallest video decoder -Guaranteed operation at -40°C to +85°C, compact package, single power supply, and low power consumption-[pdf]


2009/03/31

OKI SEMICONDUCTOR starts release of original HV&BCD process -Wafer Foundry Business-


2009/03/26

OKI SEMICONDUCTOR starts shipping samples of ML610340 Series low-power microprocessor family with built-in audio playback function[pdf]


2009/03/24

OKI SEMICONDUCTOR expands its ultra-compact Audio LSI lineup - Launching the new ML26124 based on the acclaimed ML26123 with the addition of two microphone inputs -[pdf]


2009/03/23

OKI SEMICONDUCTOR develops EML with a built-in driver IC for 40Gbps optical communications[pdf]


2009/03/19

OKI SEMICONDUCTOR launches EML driver IC for 100Gbps Ethernet application - Targets more than 50% market share with world-leading small size and low power consumption -[pdf]


2009/03/19

OKI SEMICONDUCTOR develops low-power single-chip EML driver IC for 40 Gbps optical communications - Targets more than 50% market share with world-leading small size, low power consumption and XLMD-MSA support -[pdf]


2009/02/25

OKI SEMICONDUCTOR Expands its Family of Ultra Low Power 8-bit Flash Microcontrollers for Portable Applications[pdf]


2009/01/20

OKI SEMICONDUCTOR develops ML675055, a high-security LSI designed for payment terminals
-Featuring security technology that supports PCI-PED 2.0 implementation-


2008/11/19

OKI SEMICONDUCTOR Expands its Family of Ultra Low Power 8-bit Flash Microcontrollers


2008/11/01

Notice of the Change in Subsidiary Names


2008/10/01

OKI SEMICONDUCTOR became a member of ROHM Group after October 1,2008. Please visit OKI web site for the press release OKI made before October 1,2008 for the products we currently supply.
OKI Press Release


2008/09/22

OKI Starts Flexvoice(SM) Service, a Data Generation Service for Speech LSI using TTS Technology.(to Oki Co.'s website)


2008/09/16

OKI Develops Single-chip Audio LSI with 2W-Output Class-D Speaker Amplifier and DA Converter.(to Oki Co.'s website)


2008/09/08

OKI Launches LSI to Enable Longer Music Playback for Mobile Phones.(to Oki Co.'s website)


2008/09/01

OKI Develops High-speed Gigabit IP Network Equipment LSI.(to Oki Co.'s website)


Applications
ROHM Co., Ltd.
Eco Devices
FLEXVOICE
P2ROM
Fingerprint Authentication
Oki Semiconductor LOGOOKI SEMICONDUCTOR Co., Ltd. was established on Oct 1, 2008 and started operation same day.