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6_DIGIT_DISPLAY

2016-12-11 15:24  
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6_DIGIT_DISPLAY
6_DIGIT_DISPLAY
National DM8863 8-digit LED drivel serves as segment dlver for common-anode display of hours,minutes,and seconds,replacing total of 14 resistors and 7 transistors.-C. Carinalli, Driving 7-Segment LED Displays with National Semiconductor Circults, National Semiconductor, Santa Clara,CA,1974,AN-99,p 11.