Holtek's vast array of semiconductor devices require a complementary package of information for their proper use and application. From time to time product information needs to be updated and sometimes other useful information on certain products exists which can be useful for designer. This is the place to look for such information as well information on new products.

Please contact us for further information.

8-Bit MCU

• New 8-bit Dual Slope HT46R72D-1A/HT46R73D-1A A/D MCU Product Release (August 8, 2008)
• Holtek New Product Release – HT56R64 TinyPowerTM A/D with LCD Microcontroller (July 16, 2008)
• Holtek New Product Release - 10-Pin HT48R01A/HT46R01A MCU (July 3, 2008)
• Holtek Releases New HT46RU26 Microcontroller with Internal UART (June 27, 2008)
• Holtek New Product Release - HT95R23/HT95R33 Telephone Microcontroller (June 9, 2008)
• Holtek New Flash A/D Type Devices - HT46F46E/HT46F48E/HT46F49E (June 3, 2008)
• New HT49RA1 Holtek Remote Device Product Release (May 27, 2008)
• Holtek Releases HT46RS03/HT46RS03P - 8-bit MCU with Internal Operational Amplifier, Comparator and Regulator (May 27, 2008)
• Holtek New HT47C06L R-F Low Power MCU Product Release (May 26, 2008)
• New Holtek HT46RU232 A/D with UART Microcontroller (May 23, 2008)
• Holtek Releases New HT46RU24 A/D Type MCU with UART (May 7, 2008)
• HT46R4AE – Holtek New Cost-Effective A/D Type MCU (March 18, 2008)
• Holtek New Product Release - HT46RU67 and HT46CU67 A/D with LCD Type Microcontroller (March 11, 2008)
• New HT49CA0 Addition to Holtek LCD Series of Devices (March 3, 2008)
• Holtek New Device Release – HT46F47E A/D Type Flash MCU (March 3, 2008)
• New HT45R35 Addition to Holtek C/R-F Microcontroller Product Range (February 27, 2008)
• New Product Release – Holtek HT46R92/HT46R94 High Current LED Driver A/D type MCU (February 01, 2008)
• New Product Release – Holtek HT46R4A A/D type MCU (December 19, 2007)
• Holtek releases new HT46R343 A/D type MCU with OPA (October 16, 2007)
• Holtek New Product Release 10-pin HT46R01/HT46R02/HT46R03 A/D MCU (October 09, 2007)
• Holtek New Product Release – HT46R48A A/D Type MCU (October 09, 2007)
• New Holtek LCD Function Product Release HT46CU66 A/D MCU (October 09, 2007)
• Holtek HT47C10-1 R to F type MCU New Product Release (September 28, 2007)
• Holtek Releases New HT46R321 A/D with OPA Type MCU (August 6, 2007)
• Holtek HT46R12A/HT46R14A A/D with Comparator type MCU new Product Release(August 6, 2007)
• New Holtek HT48R54A High Current LED Driver I/O type MCU Product Release(August 6, 2007)
• New HT48R0AA-1 Addition to Holtek Cost Effective I/O Type MCU Range (July 26, 2007)
• Holtek New Dual Slope A/D 8-bit MCU Product Release --- HT46RU75D-1 (July 03, 2007)
• Holtek New Addition to LCD Device Range --- HT49R10A-1 (June 12, 2007)
• New 8-bit Dual Slope A/D MCU Product Release --- HT46R72D-1/HT46R73D-1 (May 23, 2007)
• Holtek New 8-bit Dual Slope A/D MCU Product Release --- HT46R71D-1 (May 18, 2007)
• New Product Release – 8-bit Cost Effective A/D MCU – HT46R49/HT46R49E (April 24, 2007)
• New A/D type with OPA Microcontroller range expansion - HT46R34/HT46R342 (March 16, 2007)
• New 8-bit LCD type MCU Product Release – HT49CU80 (March 8, 2007)
• Holtek Announces New HT45R38 Addition to its C/R-F Series(March 6, 2007)
• New LCD Series Product Release --- HT49RA0(February 26, 2007)
• Holtek Releases the HT82A850R and HT82A851R Wireless USB Skype Phone Controller Chipset(February 16, 2007)
• Holtek Releases Industrial Grade 8-bit I/O Type Flash MCU – HT48FxxE Series(January 29, 2007)
• 8-bit Brushless DC Motor Controller MCU – HT45RM03(January 19, 2007)
• High Voltage MOSFET Gate Driver – HT45BOC(January 19, 2007)
• New Product Release - 8-bit A/D MCU --- HT46CU25(January 19, 2007)
• C/R-F MCU New Addition --- HT45R34(January 16, 2007)
• New HT46R32/HT46R322 Product Release A/D with OPA type Microcontroller(January 16, 2007)
• 10-pin I/O Type Small Outline Package MCU - HT48R01/HT48R02/HT48R03(January 16, 2007)
• HT82J30R – 16-Channel A/D MCU with SPI Interface(January 3, 2007)
• New Product Release – Dual Slope A/D – HT46R74D-1 (December 22, 2006)
• New Product Release – 8-bit A/D with LCD MCU --- HT46R652 (December 22, 2006)
• New Product Release -- HT38A5 and HT3834 (November 8, 2006)
• New Product Release I/O type MCU -- HT48R502 (November 8, 2006)
• New Product Release - Cost Effective I/O MCU --- HT48R062/HT48C062 (October 31, 2006)
• New C/R-F MCU Product Release --- HT45R36 (October 30, 2006)
• New Music MCU Product Release --- HT36B4 (October 26, 2006)
• New VFD Controller Product Release --- HT16514 (October 9, 2006)
• New 8-bit LCD type MCU Product Release --- HT49RU80 (September 22, 2006)
• New 8-bit R-F type MCU Product Release --- HT47R10A-1 (September 22, 2006)
• New Product Release 8-bit A/D Full Speed USB MCU --- HT46RB70 (September 22, 2006)
• New 12-bit High Resolution A/D MCU Product Release --- HT46R51A/52A/53A/54A (September 22, 2006)
• HT82A832R USB Telephone (Audio) MCU (September 1, 2006)
• HT82A822R USB Speaker MCU (September 1, 2006)
• New HT82A821R USB Speaker MCU (September 1, 2006)
• 8-bit A/D Full Speed USB MCU - HT46RB50 (August 18, 2006)
• New Product Release 8-bit Cost-Effective MCU - HT48R062 (July 26, 2006)
• New release - A/D Microcontroller HT46RU25 (July 19, 2006)
• New release - 8-bit A/D Microcontroller HT46RU22 (July 19, 2006)
• New Cost-Effective I/O MCU device additions - HT48R08A-1/HT48R09A-1 (July 13, 2006)
• New A/D with LCD type MCU --- HT46RU66 (July 12, 2006)
• New 8-bit Dual Slop A/D type MCU - HT46R71D (June 12, 2006)
• New 8-bit VFD type MCU Releases - HT49xVx (April 19, 2006)
• New 8-bit I/O Microcontroller Release - HT48RU80 (April 17, 2006)
• Holtek releases new Dot Matrix LED type 8-bit MCU (March 30, 2006)
• Holtek releases new 8-bit Cost Effective A/D type MCUs - HT46R48/HT46R48E (March 17, 2006)
• New device addition to the Cost Effective MCU range - HT48R07A-1 (March 17, 2006)
• Holtek releases two new Programmable Pulse Generator devices, the HT46R12 and HT46R14 (November 11, 2005)
• New TinyPower^TM Microcontroller device release - HT45R06 (November 11, 2005)
• New Automotive Specification MCU Product Release - HT46R46-H/HT46R47-H (November 11, 2005)
• New Releases of 8-bit I/O type MTP MCU -- HT48EXX (September 27, 2005)
• New A/D with LCD type Mask MCUs - HT46C62, HT46C64, HT46C65 (September 27, 2005)
• New Music Series MCU releases - HT36F2, HT36F6, HT36FA, HT36A1, HT36M4 (August 17, 2005)
• Holtek TinyPower^TM technology HT48R52/HT48R53 (Jane 6, 2005)
• New addition to Holtek's A/D MCU range - HT46R232 (Jane 1, 2005)
• Holtek Releases the HT49CV3 New 8-Bit VFD Type Microcontroller (April 25, 2005)
• New 12-bit High Resolution A/D MCU Product Release --- HT46R51/52/53/54 (February 25, 2005)
• Holtek Releases the HT49CV5 New 8-Bit VFD Type Microcontroller (February 24, 2005)
• New 8-bit MCU Product Release - HT46R46/HT46R46E/HT46R47E (December 15, 2004)
• Holtek Announces Release of New Series Remote Control MCUs (June 30, 2004)
• Holtek releases Data Bank microcontroller - HT23B60 (February 27, 2004)
• New device additions to Phone MCU Controller Series HT95A40P, HT95C40P (February 9, 2004)
• New A/D with LCD type MCUs - HT46R62, HT46R64, HT46R65 (December 2, 2003)
• New Music Series MCU additions (July 2, 2003)
• New release - A/D Microcontroller HT46R24 (July 1, 2003)
• New Voice Series MCU additions - HT86576 and HT86768 (June 19, 2003)
• Holtek announces new release of HT86XXX Voice MCU Series (November 1, 2002)
• New generation R-F low voltage microcontrollers --- HT47C10L (September 26, 2002)
• New HT36A0 8-bit Music Microcontroller (September 10, 2002)
• A/D type with LCD Mask 8-bit Microcontroller - HT46C63 (September 10, 2002)
• New 8-Bit LCD Type Low Voltage Mask MCU -- HT49CXXL (August 28, 2002)
• New 8 bit General Purpose LCD Microcontroller HT49C70-1 (July 19, 2002)
• New release - 8-bit A/D Microcontroller HT46C22 (July 11, 2002)
• New 8 bit General Purpose LCD Microcontroller Device --- HT49C30-1 (May 6, 2002)
• New 8-bit Cost-effective I/O Microcontroller Device - HT48C05 (May 6, 2002)
• New release - LCD type 8-bit A/D Microcontroller HT46R63 (May 6, 2002)
• New A/D Microcontroller - HT46C47 (April 16, 2002)
• New 8-bit I/O Microcontroller HT48C70-1 (February 21, 2002)
• New release 8-bit A/D Microcontroller HT46C23 (February 21, 2002)
• 8-bit remote control microcontroller HT48CA3 (December 27, 2001)
• New Product Release HT49R30A LCD MCU (December 27, 2001)
• HT95A, HT95L, HT95C telephone controller series (December 27, 2001)
• New 8-bit LCD MCU --- HT49R70A-1 (November 21, 2001)
• New 8-bit I/O microcontroller HT48C30-1 (November 7, 2001)
• New release - 8-bit A/D Microcontroller HT46R22 (October 3, 2001)
• New release - 8-Bit Cost-Effective I/O Type MCU HT48C06 (October 3, 2001)
• New release - 8-bit Remote Type MCU HT48CA6 (October 3, 2001)
• New 8-bit R-F Microcontroller HT47R20A-1 (July 26, 2001)
• New 8-bit I/O Microcontroller HT48R70A-1 (July 26, 2001)
• 8-bit Remote Control OTP Microcontroller HT48RA3 (July 26, 2001)
• Voice LCD Microcontroller - HTG2190 (July 9, 2001)
• New LCD Controller MCU - HT49C50-1 (May 4, 2001)
• New release - 8-bit A/D Microcontroller HT46R23 (February 27, 2001)
• New 8-bit LCD MCU --- HT49R50A-1 (January 3, 2001)
• New 8-bit Sensor MCU --- HT46R47 (January 3, 2001)
• New 8-bit I/O MCUs --- HT48R10A-1/ HT48R30A-1/HT48R50A-1 (January 3, 2001)
• Holtek releases the HT48RA0A - TV remote OTP microcontroller (July 3, 2000)
• Holtek releases Voice LCD microcontroller - HTG2150 (July 3, 2000)
• Holtek microcontroller u-plan completes its first stage (April 26, 2002)
• Holtek Releases 3 New Microcontroller Devices HT48R05A/06A/A0A (March 28, 2000)

Display Driver

• New Holtek Product Release - HT1647A 1000-Pixel LCD Driver (October 23, 2007)
• Holtek Releases HT1632 Internal Display RAM LED Driver (October 23, 2007)
• New VFD Digital Clock Device Range Release -- HT1656X (April 3, 2007)
• New VFD Controller Product Release --- HT16514 (October 9, 2006)
• Holtek's released HT0610 LCD driver IC (July 27, 2005)
• Holtek's new released HT16515 VFD driver ICs (December 19, 2003)
• High-pixel count LCD controllers commence high-volume production (September 16, 2003)
• Holtek's new released HT16511 VFD driver ICs (December 24, 2002)
• Holtek's new released HT16512 VFD driver ICs (November 26, 1999)

Memory

• Holtek Releases Two New High Capacity Serial EEPROMs (March 27, 2006)
• New 64K Serial EEPROM Product Release - HT24LC64 (January 13, 2005)
• New 2-wire Serial Interface EEPROM -- HT2201 (November 15, 2004)
• Holtek releases its new 512K SPI OTP memory product series (June 14, 2004)
• Holtek announces release of new 32-pin PLCC Flash Memory pin compatible 512K OTP EPROM (September 26, 2002)
• New Low Power SRAM -- HT62L256 (August 28, 2002)
• High Speed Mask ROM -- HT23C040H (August 28, 2002)
• New additions to the HT27 series of OTP EPROM devices (April 1, 2002)

Remote Controller

• New Product Release Remote Control MCU -- HT48RA0-3 (December 13, 2006)
• Release of three new RFID tag recognition devices -- HT672A/HT672B/HT6740 (November 10, 2004)
• HT12M Remote Doorbell Decoder (March 6, 2002)
• New product release HT6720 contactless IC (August 30, 2001)

Power Management

• Holtek HT7937 - LED Backlight Driver (October 2, 2008)
• Holtek’s New General Purpose HT1086 Low Dropout Voltage Regulator Series (January 29, 2008)
• New Holtek Product Release – General Purpose HT1117 Low Dropout Voltage Regulator Series (October 8, 2007)
• New HT77XXA Product Release – Low Start-up Voltage DC/DC Converter Series (June 21, 2007)
• New Product Release TinyPower^TM Low Dropout Voltage Regulator -- HT72XX and HT78XX (May 22, 2007)
• Holtek New Release - HT1087 General Purpose LDO Regulators (April 19, 2007)
• New HT77XX Product Release -- Low Start-up Voltage DC/DC Converter Series (March 14, 2005)
• Ultra-Low Power 1.5V Low Dropout Voltage Regulator -- HT1015-1 (January 31, 2005)
• Holtek's new released ultra Low Power LDO regulator - HT73XX (June 3, 2004)
• Holtek announces HT7627 - PFM Step-up DC/DC Converter and Voltage Detector IC (January 21, 2002)

Voice/Music

• Holtek’s HT83 Series Voice Controller New Product Release (May 18, 2007)
• New OTP Voice MCU Product Release -- HT86R192/HT86R384 (December 14, 2006)
• New device additions to Holtek's Voice MCUs - HT86030 and HT86070 (May 19, 2006)
• New Music Series MCU releases - HT36F2, HT36F6, HT36FA, HT36A1, HT36M4 (August 17, 2005)
• New Music Series MCU additions (July 2, 2003)
• New Voice Series MCU additions - HT86576 and HT86768 (June 19, 2003)
• Holtek's range of HT81XXX EasyVoice(TM) controllers now completed (March 5, 2003)
• New Compact Voice Device Release - HT83XXX Q-Voice(TM) (February 24, 2003)
• Holtek announces new release of HT86XXX Voice MCU Series (November 1, 2002)
• New HT36A0 8-bit Music Microcontroller (September 10, 2002)
• New product release - HT81003 Mask Rom EasyVoice (November 7, 2001)

Computer

• Holtek HT82A836R USB Audio New MCU (August 8, 2008)
• New Holtek Release - HT82K73E/HT82M73E Wireless 2.4GHz Keyboard/Mouse (May 26, 2008)
• New Holtek device HT82J30A and HT82J31A releases 16-Channel A/D MCU with SPI Interface (March 18, 2008)
• Holtek HT82A834R New Release – USB Audio MCU (March 18, 2008)
• New Holtek HT82K72E/A and HT82M72E/A 27MHz Keyboard/Mouse MCUs (February 25, 2008)
• Holtek Product Release HT82A523R 8-Bit I/O Type Full Speed USB MCU (February 18, 2008)
• New Holtek HT82K68E-L 1.8V Low Voltage Wireless Keyboard/Mouse OTP MCU (August 9, 2007)
• New Holtek HT82M28A 3D Vista Optical Mouse Controller (July 26, 2007)
• HT82M9AEE/HT82M9BEE - Low Speed USB OTP MCU --- Holtek New Product Release (June 4, 2007)
• New Holtek 3D Optical Mouse Devices -- HT82M35A/35A-1, HT82M25A/25A-1 (June 1, 2007)
• HT82J30R – 16-Channel A/D MCU with SPI Interface (January 3, 2007)
• New Product Release Low Speed USB OTP MCU --- HT82M9AE/ HT82M9BE (November 21, 2006)
• New Optical Mouse Controller Product Release --- HT82M23A/HT82M23B/HT82M23C (July 25, 2006)
• HT82M99EE/HT82M99AE USB Mouse MCU with EEPROM (March 6, 2006)
• HT82K95EE/HT82K95AE USB Keyboard MCU with EEPROM (March 6, 2006)
• Multi-Media Keyboard Calculator Function Low Power Controller - HT82K94E (January 25, 2006)
• New Resolution Optical Mouse Controller - HT82M32A/HT82M32B (January 25, 2006)
• New Release HT82K95E/A - USB Keyboard OTP/Mask MCU (July 7, 2005)
• Holtek's USB Peripheral Product Range Expansion - - HT82K629A / HT82J97E / HT82M99E (December 23, 2003)
• New Generation Optical Mouse Controllers --- HT82M30A/HT82M21A/HT82M22A (October 7, 2003)
• New Release HT82K96E - USB Keyboard OTP MCU  (April 16, 2002)
• Holtek releases HT82M938 Wireless Mouse Controller Solution (April 1, 2002)
• 5-key PS/2 and USB mouse controller for Windows 2000 (September 29, 2000)
• Holtek achieves Mouse Controller USB Compliance approval (August 1, 2000)
• Holtek announces release of the HT82M98A - 3D USB-PS/2 Mouse Controller (May 30, 2000)
• Holtek releases new Keyboard Encoder Device - HT82K68A (March 1, 2000)
• Holtek announces release of Windows 2000 Mouse Controller-HT82M398A (March 1, 2000)
• Holtek announces 3D PS/2 Mouse Controller (June 23, 1999)

Communication

• New Holtek HT95R34 Telephone MCU (September 24, 2008)
• Holtek New Product Release - HT95R23/HT95R33 Telephone Microcontroller (June 9, 2008)
• Holtek releases CAS Tone Receiver device - HT9033 (May 25, 2006)
• New HT9172 DTMF Receiver Device Release (April 26, 2006)
• New device additions to Phone MCU Controller Series HT95A40P, HT95C40P (February 9, 2004)
• Holtek Releases Single Chip HT95168 Dual Mode Caller ID Phone (July 03, 2003)
• HT95A, HT95L, HT95C telephone controller series (December 27, 2001)
• Holtek announce release of its HT9142 Pager IF amplifier (May 30, 2000)
• HT9032 Calling Line Identification Receiver Product News (December 10, 1998)

Analog

• Low Voltage Audio Power Amplifier -- HT82V739 (March 29, 2007)
• New Product Release - HT82V24 CCD/CIS Analog Signal Processor (July 26, 2006)
• New Product Release - HT82V736 Stereo Earphone Driver with integrated Mute Function (February 18, 2005)
• New 24-bit Stereo Audio D/A Converter --- HT82V738 (January 14, 2004)
• Holtek announces release of Audio Power Amplifier with Shutdown - HT82V735 (January 2, 2004)
• New Product Release - Audio Frequency Digital-to-Analog (D/A) Converter - HT82V737 (November 28, 2003)
• HT82V26 and HT82V36 Scanner Analog Front End AFE IC (February 24, 2003)
• Low Voltage speaker driver IC ---- HT82V733 (October 28, 2002)
• HT82V732 Ear-Phone Driver (July 26, 2001)
• HT82V731 Audio DAC (July 26, 2001)
• HT82V16 Scanner Analog Front End AFE IC (January 3, 2001)
• Analog Front End Processor Devices Announced (June 23, 1999)
• HT9274 Quad Micropower OP Amp Product News (December 10, 1998)

Video

• Holtek announces release of the HT82V842A CCD Surveillance Camera, Digital Camera, Analog Signal Processor (February 17, 2006)
• New Release CCD Sensor Vertical Driver - HT82V806 (February 17, 2006)
• New Release CCD Sensor Vertical Driver - HT82V805 (December 14, 2005)
• New Addition to CCD/CIS Analog Signal Processor - HT82V26A (December 14, 2005)
• Holtek announces release of the HT82V842 CCD Surveillance Camera, Digital Camera, Analog Signal Processor (October 7, 2004)
• HT82V804 CCD Sensor Vertical Driver (August 26, 2004)

Miscellaneous

• HT13R90 as New Addition to Holtek’s Range of Timepiece Devices (April 6, 2007)
• Holtek HT6750A/HT6751 Camera IC Solutions (March 28, 2000)

Tools

• New Hi-Tech C-compiler for Holtek MCUs formally released (April 14, 2005)
• Holtek formally releases its new version of HT-ICE and HT-Writer development tools (November 13, 2003)
• Holtek releases a new version of the HandyWriter (November 21, 2002)
• Holtek formally releases the Integrated Development Environment HT-IDE3000 6.0 (November 20, 2002)
• Holtek releases the new HT-ICE Emulator for HT46R22/23/47/63 (November 20, 2002)
• New HT-IDE2000 Version 5.0 software now released (July 18, 2000)