At this moment, only OTP chips of HT81xxx Easy Voice family are available. All the mask type including HT81003. HT81006, HT81009, HT81012, HT81018 are not available.

Due to the tightness of semiconductor capacity, we are unable to provide you HT81xxx mask type chips. This includes HT81003, HT81006, HT81009, HT81012, and HT81018. However, the OTP chips which are HT81R03, HT81R18 and HT81R36 are still available.

We apologize for the inconvenience. 

Please check with us from time to time for their availability.