The Holtek HT2812 is a CMOS Large Scale Integration (LSI) chip specifically designed to generate different sounds such as rifle gun, machine gun, booming sound, door bell, and various toy effects. It features an internal ROM that can be programmed with customer-supplied sound sources by changing the mask layer during device fabrication.
| Standby Current | 1 uA (Typ) |
|---|---|
| Operating Current | 300 to 600 uA |
| Oscillator Frequency | 64 kHz (Typ) |
The HT2812 is a CMOS LSI chip designed for alarm applications and sound effect products.
The device operates with a supply voltage between 3V and 3.3V.
The typical standby current is 1 microampere when operating at 3V.