General Description
   The UM88T series is a CMOS LSI designed melody generator IC with accompaniment for use in telephones and toys application. It has an on-chip ROM programmed for dual-tone musical performance. Produced by CMOS technology, the device results in very low power consumption. And with built-in RC oscillator, a compact melody module can be constructed with only a few additional components.

FEATUREs
• 127-note ROM memory 
• 1.3V to 3.3V operating voltage
• Sound range : 2.5 octives, 2 series 
• Bulit-in RC oscillator
• Termpo : 16 kinds (presto-largo) 
• Power-on reset, melody begins from 1st note
• Double sound sources 
• With external npn transistor to drive speaker
• Digital envelop effect 
• Packaged in inexpensive TO-92 package