UNISONIC TECHNOLOGIES CO., LTD

UM68TXX

CMOS IC

www.unisonic.com.tw

1 of 3

Copyright © 2013 Unisonic Technologies Co., LTD

QW-R502-924.a

128 NOTES DUAL TONE

MELODY GENERATOR PWM

OUTPUT DIRECT TO BUZZER

AND SPEAKER

DESCRIPTION

The UTC UM68TXX 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

UM68TXX

series

include

oscillation circuits a compact melody module can be constructed

with only a few additional components.

FEATURES

TO-92

1

* 128-Note Rom memory

* 2.5V ~ 5V power supply and low power consumption

* Dynamic speaker can be driven with external NPN transistor

* 14 tempos available through mask setting

* 15 beats available

* 27 notes (including rest) available

* OSC resistor hold mode

* Power on reset: melody begins from the first

note

* Built in level hold mode

* PWM output

ORDERING INFORMATION

Order Number

Package

Pin Assignment

Packing

Lead Free

Halogen Free

1

2

3

UM68TxxL-T92-B

UM68TxxG-T92-B

TO-92

O/P

Tape Box

UM68TxxL-T92-R

UM68TxxG-T92-R

TO-92

O/P

Tape Reel

UM68TxxL-T92-K

UM68TxxG-T92-K

TO-92

O/P

Bulk

SONG SERIES LIST

P/N

SONG NAME

UTC UM68T05

Sweet Home

UTC UM68T08

Happy Birthday

UTC UM68T19

For Alice