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| MOSDESIGN SEMICONDUCTOR CORP. TAIPEI : TEL : FAX : H.K. : TEL : FAX : 886-2- 22783733 886-2- 22783633 852- 27569109 852- 27566961 MELODY 8 TUNES 8 KEY WITH SCAN KEY FEATURES * SCAN KEYScan from K1~K8. * Direct drive speaker and buzzer. 8 8 IC MC88A .. .. .. KEY K1 K2 K3 K4 K5 K6 K7 K8 K9 MC88A WEDDING MARCH HAPPY BIRTHDAY JINGLE BELL 1 JINGLE BELL 2 LONDON BRIDGE CHILDREN SONG 1 CHILDREN SONG 2 CHILDREN SONG 3 SCAN APPLICATION * Toys, Key chain etc. ELECTRICAL CHARACTERISTICS Characteristics Operating Voltage Operating Current Quiescent Current BZ Driving Current LO Driving Current Oscillator Frequency Operating Temperature Sym. VDD IOP ISB IO IOL FOSC Temp. Min. 1 6 0 Typ. 3 0.1 1 50 25 Max. 3.5 0.5 5 60 ( @VDD=3V unless otherwise specified ) Unit V mA A mA mA KHz No load @ VDS=1V @ VDS=1.2V External30%, Rosc=390K REMARKS APPLICATION DIAGRAM VDD LO VSS MC88AP LH LO VDD BZ Y BZ Rosc BB X SCAN K8 K7 K6 K5 SCAN K8 K7 K6 K5 K4 K3 K2 K1 9 10 Y X K1 K2 K3 K4 1 18 VSS LH BUZZER BB 1.56 X 1.70 mm2 =VDD MC88A *All specs and applications shown above subject to change without prior notice. ( , ) 1/1 2005-02-18 |
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