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HT819D0 Datasheet (PDF) - Holtek Semiconductor Inc

HT819D0 Datasheet PDF - Holtek Semiconductor Inc
Part # HT819D0
Download  HT819D0 Download

File Size   569.41 Kbytes
Page   13 Pages
Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc
Description 4.2 Second LOG-PCM Speech

HT819D0 Datasheet (PDF)

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HT819D0 Datasheet PDF - Holtek Semiconductor Inc

Part # HT819D0
Download  HT819D0 Click to download

File Size   569.41 Kbytes
Page   13 Pages
Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc
Description 4.2 Second LOG-PCM Speech

HT819D0 Datasheet (HTML) - Holtek Semiconductor Inc

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HT819D0 Product details

General Description
The HT819D0 is a single chip LOG-PCM voice synthesizer LSI with 4.2-second voice capacity at a 6kHz sampling rate. The chip when triggered drives a speaker through an external transistor with a current switch D/A converter output. Negligible current will be consumed in the standby state.
The HT819D0 provides 6 key inputs and 2 programmable FLAG outputs. With a 2.4V~5.0V power supply, a complete synthesized voice playback system can be easily built with very few external components.
The customer’s voice sources are recorded section by section into an internal mask ROM. The sectional playback arrangement instructions of each key are stored in the table ROM. The key features are also programmable. With such a flexible structure, the HT819D0 is excellent for versatile voice applications.

Features
• Operating voltage: 2.4V~5.0V
• Directly drives an external transistor
• Low standby current (1µA typ. for VDD=3V)
• Minimal external components
• 252 words table ROM for key functions
• Programmable silence length and end-pulse width (minimal end-pulse width is 330µs at a 6kHz sampling rate)
• 4.2-second voice capacity
• Section options:
   – Retriggerable
   – Non-retriggerable
• FLAG1 options:
   – End-pulse output
   – 3HzB flash
   – 6HzB flash
   – Voice output indication
   – Busy output
• FLAG2 options:
   – 3Hz flash
   – 6Hz flash
   – Busy output
• Controllable volume
• 6 keys
• Key options:
   – Stop key: KEY6
   – Random (only for KEY1)
   – Sequential (only for KEY1)
   – Repeat (for all KEYs)
   – Key debounce time (for all KEYs): 700µs, 22ms, 45ms, 180ms (based on a 6kHz sam pling rate of)
   – One shot (for all KEYs)
   – Pull-high resistance (for all KEYs)
• Dice form or 16-pin DIP/SOP

Applications
• Toys
• Alarm clocks
• Public address system
• Alert and warning system
• Sound effect generators




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About Holtek Semiconductor Inc


Holtek Semiconductor Inc. is a Taiwanese semiconductor company that specializes in the design and manufacture of microcontrollers, mixed-signal integrated circuits, and other semiconductor products. The company was founded in 1998 and is headquartered in Taipei, Taiwan.

Holtek Semiconductor's products are used in a wide range of applications, including consumer electronics, home appliances, security systems, and industrial automation. The company's product portfolio includes a variety of microcontrollers, such as 8-bit, 16-bit, and 32-bit microcontrollers, as well as mixed-signal integrated circuits, such as power management ICs, motor control ICs, and LED driver ICs.

Holtek Semiconductor is committed to quality and reliability, and it has obtained various certifications, including ISO 9001 and ISO 14001. The company's manufacturing facilities use advanced production equipment and quality control processes to ensure the highest levels of product performance and reliability.

Today, Holtek Semiconductor is recognized as a leading semiconductor company in Taiwan, with a strong reputation for providing high-quality and cost-effective solutions to its customers. The company continues to invest in research and development to stay at the forefront of new technologies and applications in the semiconductor industry.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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