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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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STFPC320 数据表(PDF) 70 Page - STMicroelectronics |
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STFPC320 数据表(HTML) 70 Page - STMicroelectronics |
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70 / 78 page  Electrical characteristics STFPC320 70/78 17.4 Electrical specifications Table 17. Electrical specifications (TA = -20 to +70 °C, VDD = 3.3 V, GND = 0 V, VSS = VDD – 33.3 V) Symbol Parameter Test conditions Min Typ Max Unit VOH1 High-level output voltage LED1 – LED4, IOH1 = -1mA 0.9 VDD V VOL1 Low-level output voltage LED1 – LED4, IOH2 = 20mA 1V VOL2 Low-level output voltage SDA, IOL2 = 4mA 0.6 V IOH21 High-level output current VO = VDD – 2V, Seg1 to Seg12 -3 mA IOH22 High-level output current VO = VDD – 2 V, Grid1 to Grid8, Seg13/Grid16 to Seg12/Grid9 -15 mA IOLEAK Driver leakage current VO = VDD – 33.3 V, driver off -10 μA RL Output pull-down resistor Driver output 50 100 150 k Ω II Input current VI = VDD or GND ±1 μA VIH High-level input voltage 0.7 VDD V VIL Low-level input voltage 0.3 VDD V VH Hysteresis voltage 0.35 V IDDdyn Dynamic current consumption Under no load, display OFF 2mA RPU External pull-up resistor SCL, SDA 4.7 k Ω RPU External pull-up resistor IRQ_N/SQW 10 k Ω RPD External pull-down resistor READY, KEY1, KEY2 10 k Ω |
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