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HT813D0

Features: ` Operating voltage: 2.4V~5.0V` Directly drives an external transistor` Low standby current (1mA typ. for VDD=3V)` Minimal external components` 380 words table ROM for key functions` Programmable silence length and end-pulse width (minimal end-pulse width is 330ms at a 6kHz sampling rate...

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SeekIC No. : 004367022 Detail

HT813D0: Features: ` Operating voltage: 2.4V~5.0V` Directly drives an external transistor` Low standby current (1mA typ. for VDD=3V)` Minimal external components` 380 words table ROM for key functions` Progr...

HT813D0 Data Sheet

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Part Number:
HT813D0
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

` Operating voltage: 2.4V~5.0V
` Directly drives an external transistor
` Low standby current (1mA typ. for VDD=3V)
` Minimal external components
` 380 words table ROM for key functions
` Programmable silence length and end-pulse width (minimal end-pulse width is 330ms at a 6kHz sampling rate)
` 5.6-second voice capacity (based on a 6kHz sampling rate)
` Controllable volume
` FLAG1 options:
End-pulse output
3HzB flash
6HzB flash
Voice output indication
Busy output
` FLAG2 options:
3Hz flash
6Hz flash
Busy output
` 8 keys
` Key options:
Stop key: KEY8
Random (only for KEY1)
Sequential (only for KEY1)
Repeat (for all KEYs)
Key debounce time (for all KEYs): 700ms, 22ms, 45ms, 180ms (based on a 6kHz sampling rate)
One shot (for all KEYs)
Level-trigger
Pull-high resistance (for all KEYs)
` Section options:
Retriggerable
Non-retriggerable
` Dice form or 16-pin DIP/SOP


Application

· Toys
· Alarm clocks
· Public address system
· Alert & warning system
· Sound effect generators


Pinout

Connection Diagram


Specifications

Supply Voltage ............................... 0.3V to 6V
Input Voltage ............... VSS0.3V to VDD+0.3V
Storage Temperature .............50°C to 125°C
Operating Temperature ............20°C to 70°C

*Note: These are stress ratings only. Stresses exceeding the range specified under "Absolute Maximum Ratings" may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.


Description

The HT813D0 is a single-chip LOG-PCM voice synthesizer LSI with 5.6-second voice capacity at 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 HT813D0 provides 8 key inputs and 2 programmable FLAG outputs. With 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 instructions of section playback arrangement of each key are stored in the table ROM. The key features are also programmable. With such a flexible structure, the HT813D0 is excellent for versatile voice applications.

 




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