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UM66T08L - Melody Integrated Circuit

Download the UM66T08L datasheet PDF. This datasheet also covers the UM66Txx variant, as both devices belong to the same melody integrated circuit family and are provided as variant models within a single manufacturer datasheet.

General Description

The UTC UM66TXXL series are CMOS LSI designed for using in door bell, telephone and toy application.

It is an on-chip ROM programmed for musical performance.

Produced by CMOS technology, the device results in very low power consumption.

Key Features

  • S.
  • 64-Note Rom memory.
  • 1.5V ~ 4.5V power supply and low power consumption.
  • Dynamic speaker can be driven with external NPN transistor.
  • OSC resistor hold mode.
  • Power on reset: melody begins from the first note.
  • Built in level hold mode.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (UM66Txx_Unisonic.pdf) that lists specifications for multiple related part numbers.

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.

View original datasheet text
UNISONIC TECHNOLOGIES CO., LTD UM66TXXL MELODY INTEGRATED CIRCUIT CMOS IC  DESCRIPTION The UTC UM66TXXL series are CMOS LSI designed for using in door bell, telephone and toy application. It is an on-chip ROM programmed for musical performance. Produced by CMOS technology, the device results in very low power consumption. Since the UTC UM66TXXL series include oscillation circuits a compact melody module can be constructed with only a few additional components.  FEATURES *64-Note Rom memory *1.5V ~ 4.