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NE555 Datasheet(PDF) 3 Page - STMicroelectronics |
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NE555 Datasheet(HTML) 3 Page - STMicroelectronics |
3 / 10 page ![]() ELECTRICAL CHARACTERISTICS Tamb = +25 oC, VCC = +5V to +15V (unless otherwise specified) Symbol Parameter SE555 NE555 - SA555 Unit Min. Typ. Max. Min. Typ. Max. ICC Supply Current (RL ∞) (- note 1) Low State 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 100k Ω, C = 0.1µF) Initial Accuracy - (note 2) 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 =1k Ω to 100kΩ, C = 0.1µF, VCC = +15V) Initial Accuracy - (note 2) 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 - (note 3) 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 - (note 4) 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(source) = 200mA IO(source) = 100mA VCC = +5V, IO(source) = 100mA 13 3 12.5 13.3 3.3 12.75 2.75 12.5 13.3 3.3 V Notes : 1. Supply current when output is high is typically 1mA less. 2. Tested at VCC = +5V and VCC = +15V. 3. This will determine the maximum value of RA +RB for +15V operation the max total is R = 20M Ω and for 5V operation, the max total R = 3.5M Ω. OPERATING CONDITIONS Symbol Parameter SE555 NE555 - SA555 Unit VCC Supply Voltage 4.5 to 18 4.5 to 16 V Vth,Vtrig,Vcl,Vreset Maximum Input Voltage VCC VCC V NE555/SA555/SE555 3/10 |
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