npn transistor.
* 127-note ROM memory
* 2.0V to 5.0V power supply and low power consumption
* RC oscillator on chip
* One shot or level hold mode (mask option)
* Soun.
The BT8031-XX is a CMOS LSI chip, which plays a prearranged melodies. The ROM has a 127 words and can store up to two melodies with double sound sources, and it uses the built-in digital envelope circuit.
SONG LIST
5 MO
01 02 03
04 05
For Elise D.
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