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SA555DT 数据表(PDF) 4 Page - STMicroelectronics |
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SA555DT 数据表(HTML) 4 Page - STMicroelectronics |
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4 / 20 page ![]() Electrical characteristics NE555 - SA555 - SE555 4/20 Doc ID 2182 Rev 6 3 Electrical characteristics Table 3. Tamb = +25° C, VCC = +5 V to +15 V (unless otherwise specified) Symbol Parameter SE555 NE555 - SA555 Unit Min. Typ. Max. Min. Typ. Max. ICC Supply current (RL = ∝) Low state VCC = +5 V VCC = +15 V High state VCC = +5 V 3 10 2 5 12 3 10 2 6 15 mA Timing error (monostable) (RA = 2 kΩ to 100 kΩ, C = 0.1 μF) 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 = 1 kΩ to 100 kΩ, C = 0.1 μF, VCC= +15 V) 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 = +15 V VCC = +5 V 9.6 2.9 10 3.33 10.4 3.8 9 2.6 10 3.33 11 4 V Vth Threshold voltage VCC = +15 V VCC = +5 V 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 = +15 V VCC = +5 V 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 = 0 V) 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 = +0.4 V Vreset = 0 V 0.1 0.4 0.4 1 0.1 0.4 0.4 1.5 mA VOL Low level output voltage VCC = +15 VIO(sink) = 10 mA IO(sink) = 50 mA IO(sink) = 100 mA IO(sink) = 200 mA VCC = +5 V IO(sink) = 8 mA IO(sink) = 5 mA 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 |
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