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.

32-Bit MCU

• Holtek new HT32F125x ARM^® Cortex™ based 32-bit Flash MCU device series (June 3, 2011)

8-Bit MCU

• Holtek HT56RB688 Smart Card Reader MCU New Product Release (December 29, 2011)
• Holtek HT4xR005, HT4xR006, HT4xR01B-1 and HT4xR01N-1 New Small Package MCU Series (December 14, 2011)
• Holtek HT68F60 and HT66F60 Enhanced Flash MCUs (November 16, 2011)
• Holtek HT46R75D-3 Dual Slope A/D type MCU with Touch Keys (October 31, 2011)
• Holtek HT46R0664 New Enhanced A/D Microcontroller (August 26, 2011)
• Holtek HT48R06xB/HT46R06xB Series MCUs (August 15, 2011)
• Holtek HT98R068 Bidirectional Radio SOC Device (May 30, 2011)
• Holtek New HT48R068B/HT48R069B/HT46R068B/HT46R069B Large Program Memory Capacity Devices (March 25, 2011)
• Holtek New HT48R06xG and HT46R06xG MCUs with OPA and Comparator (March 23, 2011)
• Holtek HT67Fxx TinyPower™ A/D with LCD type Flash MCU Series (March 9, 2011)
• Holtek BS85xxx Touch Key Flash MCU with Display Panel Driver (March 3, 2011)
• Holtek New HT48R06xD and HT46R06xD High Current LED Driver MCU Devices (December 27, 2011)
• Holtek HT68F1x, HT66F1x New Flash MCU Device Series (December 21, 2011)
• Holtek BS83B Touch Key Flash MCU Series (November 4, 2010)
• Holtek New HT45R5x Series 12-bit 20-channel A/D MCUs (September 30, 2010)
• Holtek HT45F23/HT45F43 New Tinypower™ Flash MCUs with OPA (September 21, 2010)
• Holtek New HT6xF0xM Low Voltage 1.5V Battery Flash MCU (May 14, 2010)
• Holtek New Product Release HT66F0x, HT68F0x Small Package Flash MCU (May 12, 2010)
• Holtek HT46R73D-3 Dual Slope A/D type MCU with Touch Keys (April 12, 2010)
• Holtek HT48RA0-5 New Infrared Remote Control MCU (April 12, 2010)
• Holtek HT45R22E Infrared Learning Type Remote Control MCU (April 12, 2010)
• Holtek HT56R2x New TinyPower™ A/D type MCUs (March 22, 2010)
• New Holtek 1.5V Battery Application HT4xR0xM Low Voltage MCUs (January 14, 2010)
• Holtek HT48R0xB/N, HT46R0xB/N New Small Package MCU Series (January 13, 2010)
• New Holtek HT45FM03B Brushless DC Motor Flash MCU (December 25, 2009)
• New Holtek HT68Fxx, HT66Fxx Enhanced Flash MCU Device Series (November 11, 2009)
• Holtek 24V VFD MCU New Product Release Series (October 26, 2009)
• Holtek HT56R6x/HT56R6xx TinyPower^TM A/D Type MCU with LCD New Product Release (August 12, 2009)
• Holtek Releases New HT48R06X and HT46R06X Enhanced Device Series (May 22, 2009)
• Holtek New Product Release – HT56R64 TinyPowerTM A/D with LCD Microcontroller (July 16, 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)
• New Holtek HT46RU232 A/D with UART Microcontroller (May 23, 2008)
• Holtek Releases New HT46RU24 A/D Type MCU with UART (May 7, 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 Product Release – Holtek HT46R92/HT46R94 High Current LED Driver A/D type MCU (February 01, 2008)
• New Holtek LCD Function Product Release HT46CU66 A/D MCU (October 09, 2007)
• New Holtek HT48R54A High Current LED Driver I/O type MCU Product Release(August 6, 2007)
• Holtek New Addition to LCD Device Range --- HT49R10A-1 (June 12, 2007)
• New 8-bit LCD type MCU Product Release – HT49CU80 (March 8, 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)
• New Product Release – 8-bit A/D with LCD MCU --- HT46R652 (December 22, 2006)
• New Music MCU Product Release --- HT36B4 (October 26, 2006)
• New 8-bit LCD type MCU Product Release --- HT49RU80 (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)
• 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 release - 8-bit A/D Microcontroller HT46RU22 (July 19, 2006)
• New A/D with LCD type MCU --- HT46RU66 (July 12, 2006)
• Holtek releases HT48R52A new Dot Matrix LED type 8-bit MCU (March 30, 2006)
• New A/D with LCD type Mask MCUs - HT46C62, HT46C64, HT46C65 (September 27, 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)
• New A/D with LCD type MCUs - HT46R62, HT46R64, HT46R65 (December 2, 2003)
• 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 8 bit General Purpose LCD Microcontroller Device --- HT49C30-1 (May 6, 2002)
• 8-bit remote control microcontroller HT48CA3 (December 27, 2001)
• New Product Release HT49R30A LCD MCU (December 27, 2001)
• New 8-bit LCD MCU --- HT49R70A-1 (November 21, 2001)
• 8-bit Remote Control OTP Microcontroller HT48RA3 (July 26, 2001)
• New LCD Controller MCU - HT49C50-1 (May 4, 2001)
• New 8-bit LCD MCU --- HT49R50A-1 (January 3, 2001)
• New 8-bit A/D MCU --- HT46R47 (January 3, 2001)
• Holtek microcontroller u-plan completes its first stage (April 26, 2002)
• Holtek Releases 3 New Microcontroller Devices HT48R05A/06A (March 28, 2000)

Display Driver

• Holtek HT16523 & HT16525 Integrated Character font VFD Controller/Drivers IC (January 19, 2012)
• Holtek HT16C21 Low Pixel Count High Noise Immunity LCD Driver (December 14, 2011)
• Holtek HT16L21/HT16L23 1.8V Low Voltage Interface LCD Driver (November 23, 2011)
• Holtek HT16D595 New LED Display Driver IC (August 9, 2011)
• New Holtek HT16K33 Key-input LED Control Driver IC (April 14, 2011)
• Holtek HT16C23/HT16C24 High Pixel Count I²C Interface LCD Driver (April 11, 2011)
• Holtek HT16K23 Key-input LCD Control & Driver IC (March 3, 2011)
• Holtek HT16C22 I²C Interface LCD Driver (August 10, 2010)
• Holtek HT16528 New Dot Character VFD Controller and Driver IC (August 9, 2010)
• New Holtek Product Release - HT1632C High-current LED Driver (December 12, 2008)
• New Holtek Product Release - HT1647A 1000-Pixel LCD Driver (October 23, 2007)
• New VFD Digital Clock Device Range Release -- HT1656X (April 3, 2007)
• 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)

Remote Controller

• Holtek HT12x2Tx/HT16x2Tx New Encoder with RF Transmitter Device Series (February 1, 2011)
• Holtek HT6P20x2T3 New Remote Control Encoder with RF Transmitter Device Series (November 5, 2010)
• Holtek HT6P20x2 New Remote Control Encoder IC (Autusg 6, 2010)
• Holtek HT48R01T3/HT68F03T3, HT46R01T3/HT66F03T3 New RF Transmitter MCU device series (March 22, 2010)
• Holtek HT6220A/HT6221A/HT6222A New Infrared Remote Control Devices (November 19, 2009)

Power Management

• Holtek HT7A4016 New AC-DC/DC-DC Converter Power Management Device (November 21, 2011)
• Holtek HT7L2102/7L2103 Isolated Universal LED Light Control and Driver IC (November 21, 2011)
• Holtek HT7465/HT7466 New 2 or 3 Amp Step-down DC/DC Converter (September 13, 2011)
• Holtek HT72Dxxxx Dual Output High PSRR LDO (August 18, 2011)
• Holtek HT75Bxx New High PSRR LDO (August 17, 2011)
• Holtek HT7A3942/HT7A6003 New AC-DC Converter Power Management Devices (May 31, 2011)
• Holtek HT7L4091 Non-isolated Universal Step Down LED Light Control and Driver IC (April 29, 2011)
• Holtek HT75xx-2 TinyPower™ Low Dropout Voltage Regulator New Product Release (November 12, 2010)
• Holtek HT71D0x New Power Line Data Transceiver Device Series (Autust 11, 2010)
• Holtek HT77S1x New High-efficiency Step-up Voltage DC/DC Devices (February 25, 2010)
• Holtek HT71Axxxx New TinyPower^TM Low Dropout Voltage Regulator (February 24, 2010)
• 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)
• 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)

Voice/Music

• Holtek HT83B60 Mask Type Voice MCU New Product Release (December 23, 2011)
• Holtek HT83F22 Flash type Recording Voice MCU (May 6, 2011)
• Holtek HT83F02 New Flash type Voice MCU – Fast Re-programmable and Flexible (October 6, 2010)
• Holtek HT86Axx New A/D type Voice Series MCUs (April 8, 2010)
• Holtek Releases New Generation HT37Qxx and HT37Axx Music Device Series (February 18, 2009)
• Holtek Releases New HT8972 Voice Echo Device (December 29, 2008)
• Holtek HT86BXX – New Voice Series MCUs (November 10, 2008)
• Holtek's HT83 Series Voice Controller New Product Release (May 18, 2007)

Computer

• Holtek Release HT82B42R/HT82B42RE Low Speed USB MCU (November 30, 2011)
• Holtek HT72BXX and HT78BXX New High PSRR LDO (August 26, 2011)
• Holtek HT82A824R High Performance USB Speaker MCU (July 6, 2011)
• Holtek HT45B0F SPI to UART Bridge IC (June 13, 2011)
• Holtek HT82A525R Cost-Effective Internal Oscillator Full Speed USB MCU (July 23, 2010)
• Holtek HT82B60R/HT82B40R/HT82B40A Cost-Effective Internal Oscillator Low Speed USB MCUs (August 2, 2010)
• Holtek New HT82K75RX / HT82M75RX series of 2.4GHz Wireless MCUs (April 8, 2010)
• New HOLTEK Full Speed USB MCUs - HT82A520R/HT82A620R (October 27, 2009)
• New Holtek 1.8V low-voltage HT82K76E-L/HT82K70E-L MCU (September 11, 2009)
• New HT82B40R/HT82B40A Holtek Internal Oscillator Low Speed USB MCU (July 27, 2009)
• New Holtek HT82A623R, HT82A6208 and HT82A6216 Full speed USB MCUs (July 15, 2009)
• New Holtek HT82K68A-L 1.8V Low Voltage Wireless Keyboard/Mouse Mask MCU (October 28, 2008)
• Holtek HT82A836R USB Audio New MCU (August 8, 2008)
• Holtek HT82A834R New Release – USB Audio MCU (March 18, 2008)
• New Holtek HT82K68E-L 1.8V Low Voltage Wireless Keyboard/Mouse OTP MCU (August 9, 2007)
• HT82M9AEE/HT82M9BEE - Low Speed USB OTP MCU --- Holtek New Product Release (June 4, 2007)
• New Product Release Low Speed USB OTP MCU --- HT82M9AE/ HT82M9BE (November 21, 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 Release HT82K95E/A - USB Keyboard OTP/Mask MCU (July 7, 2005)
• Holtek's USB Peripheral Product Range Expansion - - HT82K629A/ HT82M99E (December 23, 2003)

Communication

• Holtek HT95R4x New Phone MCU Series(May 31, 2010)
• Holtek New Phone MCU HT95R5x/HT95R6xRelease (March 4, 2010)
• Holtek Releases New HT95R35 Phone MCU (October 7, 2009)
• Holtek New Product Release - HT95R24、HT95R25 I/O Type Phone MCU (June 8, 2009)
• Holtek New Product Release - HT95R22 I/O Type Phone MCU (January 7, 2009)
• New Holtek HT95R34 Telephone MCU (September 24, 2008)
• Holtek New Product Release - HT95R23/HT95R33 Telephone Microcontroller (June 9, 2008)
• New HT9172 DTMF Receiver Device Release (April 26, 2006)
• HT9032 Calling Line Identification Receiver Product News (December 10, 1998)

Analog

• Holtek New HT923x 2.3MHz Gain-bandwidth Operational Amplifier Series (February 25, 2010)
• Holtek New HT929x TinyPower^TM Operational Amplifier (February 25, 2010)
• New Holtek HT7936/HT7938/HT7939 White-light LED Drivers (January 8, 2010)
• Holtek HT7937 - LED Backlight Driver (October 2, 2008)
• Low Voltage Audio Power Amplifier -- HT82V739 (March 29, 2007)
• 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)
• 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)
• HT9274 Quad Micropower OP Amp Product News (December 10, 1998)

Video

• Holtek HT82V863R CCD Surveillance Camera Processor (October 5, 2011)
• Holtek HT82V46 CCD/CIS Analog Signal Processor (July 20, 2011)
• Holtek HT82V42 Single-channel CCD/CIS Analog Signal Processor (January 13, 2010)
• Holtek HT82V38 Three-channel CCD/CIS Analog Signal Processor (January 13, 2010)
• Holtek announces release of the HT82V842A CCD Surveillance Camera, Digital Camera, Analog Signal Processor (February 17, 2006)
• New Addition to CCD/CIS Analog Signal Processor - HT82V26A (December 14, 2005)

Miscellaneous

• New Holtek HT1382 Clock IC(October 26, 2009)
• Holtek HT7612 New Generation PIR Controller Product Release (November 17, 2009)

Tools

• MCU Tools Discontinuation News - 22^nd November 2011 (November 22, 2011)
• Holtek MCU Hi-Tech C Compiler - Points to note when using (November 6, 2011)
• MCU Tool Products Termination Message (October 20, 2011)
• Holtek New Universal Writer — e-WriterPro (April 27, 2011)
• 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)