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NE555 Datasheet(PDF) 3 Page - STMicroelectronics

Part No. NE555
Description  GENERAL PURPOSE SINGLE BIPOLAR TIMERS
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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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 18
V
Vth,Vtrig,Vcl,Vreset
Maximum Input Voltage
VCC
VCC
V
NE555/SA555/SE555
3/10




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