toshiba question

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ive got a ta7280p chip from toshiba im guessing it was manufactured somewhere around the late 80's or early 90s but the data sheet only gives me the voltages and it does not tell me which pins are power -,+ input +,- etc. i was wondering could anybody shed some light upon this subject since this is my first project ive been playing for some days now and still little or no results
 
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