UM66T19L circuit equivalent, melody integrated circuit.
*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 rese.
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.
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