66T19LK Datasheet (Unisonic Technologies)

66T19LK, UM66T19LK

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 co

66T19LK Features

* 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

* Pb-free plating product number: UM66T