M948B

TEL : 0755-25636777 FAX : 0755-25622955 MELODY 768 NOTES 1 KEY 24 TUNES FEATURES Up to 24 tunes. 1 sequence trigger key. Digital Envelope. 768 24 M948B .. .. .. TG BZ T1 T2 T3 T4 5 6… APPLICATION Toys, Clock melody etc.. ELECTRICAL CHARACTERISTICS Characteristics Operating Voltage Operating Current Quiescent Current BZ Driving Current Oscillator Frequency Operating Temperature Sym. VDD IOP ISB IO FOSC Temp. Min. ― ― ― 1 ― 0 Typ. 3 0.1 1 ― 100 25 Max. 3.5 0.5 5 ― ― 60 Unit V mA μA mA KHz ℃ ( @VDD=3V unless otherwise specified ) REMARKS No load @ VDS=1V External±30%, Rosc=270KΩ APPLICATION DIAGRAM VDD M948BP VSS 1 BZ X VDD Rosc Y TG X 16 Y Rosc 1.3 x 1.2mm2 =VSS M948B VSS BZ VDD TG 8 9 VDD *All specs and applications shown above subject to change without prior notice. ( ㆖, ) 1/3 2001-07-31 TEL : 0755-25636777 FAX : 0755-25622955 MELODY 768 NOTES 1 KEY 24 TUNES SONG LIST M948B-2 : 1. AMERICAN PATROL 2. RABBITS 3. OH! MY DARLING CLEMENTINE 4. BUTTERFLY 5. LONDON BRIDGE IS FALLING DOWN 6. ROW, ROW, ROW YOUR BOAT M948B-3 : 1. TWINKLE TWINKLE LITTLE STAR 2. FORGE IN THE FOREST 3. TOY SYMPHONY 4. AMERICAN PATROL 5. LONG LONG AGE 6. OH! MY DARLING CLEMENTINE 7. CUCKOO WALTZ 8. L’EAU VIVE M948B-4 : 1. JINGLE BELLS 2. SANTA CLAUS IS COMING TO TOWN 3. JOY TO THE WORLD 4. THE FIRST NOEL 5. IT CAME UPON THE MIDNIGHT CLEAR 6. WE WISH YOU A MERRY XMAS M948B-5 : 1. WE WISH YOU A MERRY XMAS 2. SANTA CLAUS IS COMING TO TOWN 3. JINGLE BELLS 4. DECK...