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SA555 数据表(PDF) 5 Page - STMicroelectronics |
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SA555 数据表(HTML) 5 Page - STMicroelectronics |
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5 / 20 page ![]() NE555 - SA555 - SE555 Electrical characteristics 5/20 3 Electrical characteristics Table 3. Tamb = +25°C, VCC = +5V to +15V (unless otherwise specified) Symbol Parameter SE555 NE555 - SA555 Unit Min. Typ. Max. Min. Typ. Max. ICC Supply current (RL = ∝) Low stage VCC = +5V VCC = +15V High state VCC = 5V 3 10 2 5 12 3 10 2 6 15 mA Timing error (monostable) (RA = 2k to 100kΩ, C = 0.1μF) Initial accuracy (1) Drift with temperature Drift with supply voltage 0.5 30 0.05 2 100 0.2 1 50 0.1 3 0.5 % ppm/°C %/V Timing error (astable) (RA, RB = 1kΩ to 100kΩ, C = 0.1μF, VCC = +15V) Initial accuracy - (1) Drift with temperature Drift with supply voltage 1.5 90 0.15 2.25 150 0.3 % ppm/°C %/V VCL Control voltage level VCC = +15V VCC = +5V 9.6 2.9 10 3.33 10.4 3.8 9 2.6 10 3.33 11 4 V Vth Threshold voltage VCC = +15V VCC = +5V 9.4 2.7 10 3.33 10.6 4 8.8 2.4 10 3.33 11.2 4.2 V Ith Threshold current (2) 0.1 0.25 0.1 0.25 µA Vtrig Trigger voltage VCC = +15V VCC = +5V 4.8 1.45 5 1.67 5.2 1.9 4.5 1.1 5 1.67 5.6 2.2 V Itrig Trigger current (Vtrig = 0V) 0.5 0.9 0.5 2.0 µA Vreset Reset voltage (3) 0.4 0.7 1 0.4 0.7 1 V Ireset Reset current Vreset = +0.4V Vreset = 0V 0.1 0.4 0.4 1 0.1 0.4 0.4 1.5 mA VOL Low level output voltage VCC = +15V IO(sink) = 10mA IO(sink) = 50mA IO(sink) = 100mA IO(sink) = 200mA VCC = +5V IO(sink) = 8mA IO(sink) = 5mA 0.1 0.4 2 2.5 0.1 0.05 0.15 0.5 2.2 0.25 0.2 0.1 0.4 2 2.5 0.3 0.25 0.25 0.75 2.5 0.4 0.35 V VOH High level output voltage VCC = +15V IO(sink) = 200mA IO(sink) = 100mA VCC = +5V IO(sink) = 100mA 13 3 12.5 13.3 3.3 12.75 2.75 12.5 13.3 3.3 V |
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