DATASHEET OF UM66 PDF

DataSheet: PDF icon UMpdf. UM66T is a melody integrated circuit. It is designed for use in bells, telephones, toys etc. It has an inbuilt tone and a beat. 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. BT66T is an easy to use 3 terminal Melody generator IC. It is mainly used in circuits where a tone has to be played as a notification for the user.

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This is a simple project using the IC UM UM66 has an inbuilt beat and tone generator.

This IC, with its three legs, looks like a transistor. This project is suitable for beginners as its circuit is very simple.

UM66 Datasheet PDF

It has a built in ROM programs for playing music. The device has very low power consumption. Thanks for the CMOS technology. The melody will be available at pin 3 of UM66 and here it is amplified by using Q1 to drive the speaker.

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Resistor R1 limits the base current of Q1 within the safe values.

Capacitor C1 is meant for noise suppression. We have other Tone Generator circuits that you may like; Take a look: Ding Dong Sound Generator. Whistle to Beep Circuit. Touch Controlled Musical Bell.

Melody Generator using IC UM66

C1 is used to decouple power supply to avoid inter-modulation between output and IC. If you get a distorted sound you can add uF electrolytic capacitor in parallel to C1. Is capacitor helps in sound suppression in this circuit?

Hello I cant get that circuit in digikey. Where can i buy Which is the nte replacement.

(PDF) UM66 Datasheet download

Like Admin has stated, UM66 is designed and manufactured with those melodies. You can not reprogramme it. You need a voice recorder circuit interfaced with a amplifier circuit. It is not possible to store our own music in UM Datadheet will add a voice recorder circuit soon. UM66 is a 3 pin melody device.

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UM66 Datasheet, PDF – Alldatasheet

Data sheet of UM66 is there in the datasheet section of the site. I think the explanation i gave is enough to understand the circuit. The details about the IC can be found here http: Your email address will not be published.

Do not exceed 4.

Melody begins from the first note if power is reseted. Assemble the circuit on a good quality common board.

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I have searched for icum66 in the market but cannot find one. I will help you. Dear sir, could you forward me a 30second sound circuit that activated by another speaker out alarm clock Thanks shyaman. Leave a Reply Cancel reply Your email address will datasheet be published.