UM66T-68L

Bowin Microelectronics

_________________________________________________________

BOWIN ELECTRONIC COMPANY

www.bowin-ic.com.hk

1

UM66T Simple Melody Generator

Features

•

••

• 64-note ROM memory

• Bulit-in RC oscillator

•

••

• 1.3V to 3.3V operating voltage and low

•

••

• Level-hold mode to play repeatedly

power consumption

•

••

• Dynamic speaker can be driven with

•

••

• Packaged in inexpensive TO-92 package

external NPN transistor.

General Description

The UM66T series is a CMOS LSI designed melody generator IC for use in telephones and toys

application. It has an on-chip ROM programmed for musical performance. Produced by CMOS

technology, the device results in very low power consumption. And with built-in RC oscillator, a

compact melody module can be constructed with only a few additional components.

Absolute Maximum Ratings

DC Supply Voltage ................................... -0.3V

to +5.0V

Operating Ambient Temperature .............. -10°C

to 60°C

Storage Temperature ................................. -55°C

to 125°C

Electrical Characteristics

Parameter

Symbol

Min.

Typ.

Max.

Conditions

Operating voltage

1.3V

1.5V

3.3V

Current Consumption

-

16µA

50µA

Playing with no load

Output Current

Io/p

2mA

-

-

Osc. frequency

Focs

63kHz

90kHz

117kHz

Song Series List

Part number

Song name

UM66T-01L

Jingle Bells + Santa Claus Is Coming To Town + We Wish You A Merry

Christmas

UM66T-05L

Home Sweet Home

UM66T-09L

Wedding March (Mendelssohn)

UM66T-19L

For Alice

UM66T-32L

Coo Coo Waltz

UM66T-68L

It Is A Small World