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STE2002 数据表(PDF) 38 Page - STMicroelectronics |
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STE2002 数据表(HTML) 38 Page - STMicroelectronics |
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38 / 51 page ![]() STE2002 38/51 ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit VDD1 Supply Voltage Range - 0.5 to + 5 V VDD2 Supply Voltage Range - 0.5 to + 7 V VLCD LCD Supply Voltage Range - 0.5 to + 12 V ISS Supply Current - 50 to +50 mA Vi Input Voltage (all input pads) -0.5 to VDD2 + 0.5 V Iin DC Input Current - 10 to + 10 mA Iout DC Output Current - 10 to + 10 mA Ptot Total Power Dissipation (Tj = 85°C) 300 mW Po Power Dissipation per Output 30 mW Tj Operating Junction Temperature -40 to + 85 °C Tstg Storage Temperature - 65 to 150 °C ELECTRICAL CHARACTERISTICS DC OPERATION (VDD1 = 1.7 to 3.6 V; VDD2 = 1.75 to 4.2V; Vss1,2 = 0V; VLCD = 4.5 to 11 V; Tamb =-40 to 85°C; unless otherwise specified) Symbol Parameter Test Condition Min. Typ. Max. Unit Supply Voltages VDD1 Supply Voltage note 9 1.7 3.6 V VDD2 Supply Voltage LCD Voltage Internally generated 1.75 4.2 V VLCDIN LCD Supply Voltage LCD Voltage Supplied externally 4.5 11 V VLCDOUT LCD Supply Voltage Internally generated; note 1 4.5 11 V I(VDD1) Supply Current VDD1 = 2.8V; VLCD = 7.6V; fsclk = 0;Tamb = 25°C; note 3. 15 20 30 µA VDD1 = 2.8V; VLCD = 7.6V; fsclk = 1Mhz;Tamb = 25°C; note 3, 8. OSC_IN=GND; parallel port 120 150 µA I(VDD2) Voltage Generator Supply Current with VOP = 0 and PRS = [0:0] with external VLCD 1 µA VDD2= 2.8V;VLCD=7.6V; fsclk= 0; Tamb = 25°C; no display load; 4x charge pump; note 2,3,6, 10 35 µA I(VDD1,2) Total Supply Current VDD1,VDD2= 2.8V; VLCD = 7.6V; 4x charge pump; fsclk = 0;Tamb = 25°C; no display load; note 2,3,6 25 65 µA Power down Mode with internal or External VLCD. Note 4 35 µA I(VLDCIN) External LCD Supply Voltage Current VDD =2.8V; VLCD =7.6V;no display load; fsclk = 0; Tamb = 25°C; note 3. 510 15 µA Logic Outputs V0H High logic Level Output Voltage IOH=-500 µA 0.8VDD1 VDD1 V VOL Low logic Level Output Voltage IOL=500 µAVSS 0.2VDD1 V |
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