FT66T-xx Description
The FT66T is a CMOS LSI chip which electronically plays a prearranged melody. Selection of melody start signal is possible by mask option: orders specification suffix "L" indicate Level Hold Mode, and suffix "S" indicate One Shot Mode.
FT66T-xx Key Features
- 127-note ROM memory
- 1.3V to 3.3V power supply and low power consumption
- RC oscillator on chip
- One shot or level hold mode
- Sound range: 4 octaves, 2 series
- Tempo: 16 kinds (presto-largo)
- Direct piezo drive
- Solution of automatic stop or repeat of the melody
- Dynamic speaker can be driven with external NPN transistor
- Two or three times repeat of melody (mask option)