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STLED316S 数据表(PDF) 14 Page - STMicroelectronics |
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STLED316S 数据表(HTML) 14 Page - STMicroelectronics |
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14 / 33 page  Recommended operating conditions STLED316S 14/33 5 Recommended operating conditions 5.1 DC electrical characteristics Table 6. DC electrical characteristics (TA = -40 to +85 °C, VCC = 5.0 V ± 10%, GND = 0 V) Symbol Parameter Test conditions Min Typ Max Unit VCC Logic supply voltage 4.5 5.0 5.5 V VIH High level input voltage High level guaranteed digital pins 0.57 VCC VCC V VIL Low level input voltage Low level guaranteed digital pins 0 0.3V CC V IIH, IIL Input current VIN = VCC or GND -2 2 µA VHYS Hysteresis voltage (DIN, CLK, STB pins) 0.91.051.2 V VOL(DOUT) Low level output voltage DOUT, IOL2 =4mA 0.4 V IOLEAK Driver leakage current Drivers off -140 µA ISEG Segment drive LED sink current VLED =2.5 V VDIGIT =VCC –1.0 -30 -40 -50 mA IDIG Digit drive LED source current VDIGIT = VCC – 1.0 240 320 400 mA ITOLSEG Segment drive current matching VCC = 5.0 V, TA =25°C VLED =2.5 V 3% RSET External current setting reference resistor (precision = ±1% tolerance) ISEG = 40 mA 360 Ω |
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