simple melody generator.
n 62-note ROM memory n 1.3V to 3.3V operating voltage and low power con-
sumption n Dynamic speaker can be driven with an external NPN
transistor.
n OSC. resistor is bui.
It is an on-chip ROM programmed for musical performance. Produced by CMOS technology, the device results in very low
p.
The UM66T series is a CMOS LSI designed for use in door bells, telephones and toy applications. It is an on-chip ROM programmed for musical performance. Produced by CMOS technology, the device results in very low
power consumption. Since the UM66T s.
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