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BT8031 - NPN transistor

General 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.

Key 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.

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Datasheet Details

Part number BT8031
Manufacturer IK Semiconductor
File Size 147.03 KB
Description NPN transistor
Datasheet download datasheet BT8031 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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TECHNICAL DATA BT8031-XX 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.