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| UM66T-01L Bowin Microelectronics _________________________________________________________ UM66T Simple Melody Generator Features * 64-note ROM memory * 1.3V to 3.3V operating voltage and low power consumption * Packaged in inexpensive TO-92 package * Bulit-in RC oscillator * Level-hold mode to play repeatedly * Dynamic speaker can be driven with 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 Operating Ambient Temperature .............. -10C Storage Temperature ................................. -55C to +5.0V to 60C to 125C Electrical Characteristics (Vss=0V, VDD=1.5V, Ta=25C, unless otherwise specified.) Parameter Symbol Min. Typ. Max. Operating voltage VDD 1.3V 1.5V 3.3V Current Consumption IDD 16A 50A Output Current Io/p 2mA Osc. frequency Focs 63kHz 90kHz 117kHz Conditions Playing with no load Song Series List Part number UM66T-01L UM66T-05L UM66T-09L UM66T-19L UM66T-32L UM66T-68L Song name Jingle Bells + Santa Claus Is Coming To Town + We Wish You A Merry Christmas Home Sweet Home Wedding March (Mendelssohn) For Alice Coo Coo Waltz It Is A Small World BOWIN ELECTRONIC COMPANY 1 www.bowin-ic.com.hk UM66T-01L Bowin Microelectronics _________________________________________________________ Pin Configuration (Front View) Pin no. 1 2 3 Symbol O/P VDD Vss Description Melody Output Positive Power Supply Negative Power Supply Typical Application Circuits LEVEL HOLD MODE FOR SPEAKER LEVEL HOLD MODE FOR PIEZO BUZZER Recommended values : C = 1F , R = 4.7K , Q = 2SC9013 REV.9-2008 (2 pages) BOWIN ELECTRONIC COMPANY 2 www.bowin-ic.com.hk |
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