UM66T19LK-1 TO92 Melody Generator Musical Alarm

Specifications:

64-Note Rom memory
1.5V ~ 4.5V power supply and low power consumption
Dynamic speakers can be driven with an external NPN transistor
OSC resistor hold mode
Power on reset: melody begins from the first note
Built-in level hold mode
DC Supply Voltage : 1.5V ~ 4.5V
Operating Voltage Min : 1.5V
Operating Voltage Max :4.5V
Operating Temperature : -10°C ~ +60°C

SKU: RDNA-2.2

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Description

UM66T/BT66 is a melody-integrated circuit. It is designed for use in bells, telephones, toys etc. It has an inbuilt tone and a beat generator. The tone generator is a programmed divider that produces certain frequencies. These frequencies are a factor of the oscillator frequency. The beat generator is also a programmed divider that contains 15 available beats. Four beats of these can be selected.

There is an inbuilt oscillator circuit that serves as a time base for the beat and tone generator. It has a 62-notes ROM to play music. A set of 4 bits controls the scale code while 2 bits control the rhythm code. When power is turned on, the melody generator is reset and the melody begins from the first note. The speaker can be driven by an external NPN transistor connected to the output of UM66.

Datasheet of UM66T19LK_UnisonicTechnologies

Packing List:

1 x UM66T19LK-1 TO92 Melody Generator Musical Alarm