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MAX6953 Fiches technique(PDF) 16 Page - Maxim Integrated Products |
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MAX6953 Fiches technique(HTML) 16 Page - Maxim Integrated Products |
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16 / 23 page ![]() 2-Wire Interfaced, 2.7V to 5.5V, 4-Digit 5 ✕ 7 Matrix LED Display Driver 16 ______________________________________________________________________________________ DIGIT 1 ROW 1 DIGIT 1 ROW 2 DIGIT 1 ROW 3 DIGIT 1 ROW 4 DIGIT 1 ROW 5 DIGIT 1 ROW 6 DIGIT 1 ROW 7 DIGIT 3 ROW 1 DIGIT 3 ROW 2 DIGIT 3 ROW 3 DIGIT 3 ROW 4 DIGIT 3 ROW 5 DIGIT 3 ROW 6 DIGIT 3 ROW 7 DIGIT 1 ROW 1 COLUMN DRIVER PINS O19-O23 DIGIT 0 ROW 1 DIGIT 0 ROW 2 DIGIT 0 ROW 3 DIGIT 0 ROW 4 DIGIT 0 ROW 5 DIGIT 0 ROW 6 DIGIT 0 ROW 7 DIGIT 2 ROW 1 DIGIT 2 ROW 2 DIGIT 2 ROW 3 DIGIT 2 ROW 4 DIGIT 2 ROW 5 DIGIT 2 ROW 6 DIGIT 2 ROW 7 DIGIT 0 ROW 1 COLUMN DRIVER PINS O14-O18 DIGIT 1 ROW 1's 100µs MULTIPLEX TIMESLOT CURRENT SOURCE 1/16TH 2/16TH (MIN ON) 3/16TH 4/16TH 5/16TH 6/16TH 7/16TH 8/16TH 9/16TH 10/16TH 11/16TH 12/16TH 13/16TH 14/16TH 15/16TH 16/16TH (MAX ON) CURRENT SOURCE CURRENT SOURCE CURRENT SOURCE CURRENT SOURCE CURRENT SOURCE CURRENT SOURCE CURRENT SOURCE CURRENT SOURCE CURRENT SOURCE CURRENT SOURCE CURRENT SOURCE CURRENT SOURCE CURRENT SOURCE CURRENT SOURCE CURRENT SOURCE ONE COMPLETE 1.4ms MULTIPLEX CYCLE AROUND 14 ROWS 100µs DIGIT 1 COLUMN DRIVER OUTPUTS PINS O19-O23 HIGH-Z HIGH-Z HIGH-Z HIGH-Z HIGH-Z HIGH-Z HIGH-Z HIGH-Z HIGH-Z HIGH-Z HIGH-Z HIGH-Z HIGH-Z HIGH-Z HIGH-Z HIGH-Z DIGITS 0 AND 1 ROW OUTPUTS PINS O0–06 HIGH-Z LOW DIGITS 2 AND 3 ROW OUTPUTS PINS O7–O13 HIGH-Z HIGH-Z HIGH-Z MINIMUM 6.25µs INTERDIGIT BLANKING INTERVAL START OF NEXT CYCLE Figure 10. Multiplex Timing Diagram (OSC = 4MHz) |
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