Part No. VDD Voice Capacity Key (Max.) Output (Max.) D/A Package
2.4V~5.0V 3sec 2 2 PWM 16DIP
2.4V~5.0V 6sec 8 2 PWM 16DIP
2.4V~5.0V 9sec 8 2 PWM 16DIP
2.4V~5.0V 12sec 8 2 PWM 16DIP
2.4V~5.0V 18sec 8 2 PWM 16DIP
2.4V~5.0V 36sec 8 2 PWM 16DIP

Note:
1. Part Numbers including "R" are OTP devices while others are mask version devices.
2. For the HT81006 and HT81012, the higher voice capacity OTP devices are available for product development and verification purposes.
3. The PWM output is capable of directly driving an 8 ohm speaker & piezoelectric buzzer.
4. EasyVoiceTM is a trademark of Holtek Semiconductor Inc.

 
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