BT8031 Datasheet | IK Semiconductor

Features - 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) - Sound range: 2.5 octaves, 2 series - Tempo: 16 kinds (presto-largo) - Double sound sources - Digital Envelope Effect FUNCTIONS - Dynamic speaker can be driven with external NPN transistor - Power on reset; melody begins from the first note - Start from the head of melody - Bare chip or TO-92 are available DESCRIPTION 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 Ding - Dong Westminster One Ding - Dong It’s Small World ELECTRICAL CHARACTERISTICS (VCC = 3V, VSS = 0V, Ta = 25o C; Characteristic Operating Voltage Supply Current Output Drive Current Output Sink Current Input Current MT Frequency Stability Stand-by- Operating Symbol VCC IS ICC IOH IOL II ∆F/F Test Condition w w w t a .D CHIP 6 V CC S a e h MT...