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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.

Features

1. 64-Note Rom memory

2. 1.5V ~ 4.5V power supply and low power consumption

2. Dynamic speaker can be driven with external NPN transistor

3. OSC resistor hold mode

4. Power on reset: melody begins from the first note

5. Built in level hold mode