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 v ss v dd o/p tape box um68txxl-t92-r um68txxg-t92-r to-92 v ss v dd o/p tape reel um68txxl-t92-k um68txxg-t92-k to-92 v ss v dd o/p bulk ? song series list p/n song name utc um68t05 sweet home utc um68t08 happy birthday utc um68t19 for alice
um68txx cmos ic unisonic technologies co., ltd 2 of 3 www.unisonic.com.tw qw-r502-924.a ? absolute maximum rating parameter symbol ratings unit dc supply voltage v cc 0v~5v v input/output voltage v in /v out gnd-0.2v~v dd +0.2v v junction temperature t j 125 c operating temperature t opr -20~+85 c storage temperature t stg -40~+150 c note: absolute maximum ratings are those values be yond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? electrical characteristics (v dd =3.0v, gnd=0v, t a =25c, unless otherwise specified) parameter symbol test conditions min typ max unit operating voltage v dd 2.5 3.0 5 v operating current i dd 3 10 ma
um68txx cmos ic unisonic technologies co., ltd 3 of 3 www.unisonic.com.tw qw-r502-924.a ? typical application circuit switch 2.5v-5.0v speaker v dd o/p vss 1 2 3 utc um68txx utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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