Datasheet

ELECTRICAL CHARACTERISTICS
T
amb
= +25
o
C, V
CC
= +5V to +15V (unless otherwise specified)
Symbol Parameter
SE555 NE555 - SA555
Unit
Min. Typ. Max. Min. Typ. Max.
I
CC
Supply Current (R
L
∞) (- note 1)
Low State V
CC
=+5V
V
CC
= +15V
High State V
CC
=5V
3
10
2
5
12
3
10
2
6
15
mA
Timing Error (monostable)
(R
A=
2k to 100kΩ, 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)
(R
A
,R
B
=1kΩto 100kΩ, C = 0.1µF,
V
CC
= +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
V
CL
Control Voltage level
V
CC
= +15V
V
CC
=+5V
9.6
2.9
10
3.33
10.4
3.8
9
2.6
10
3.33
11
4
V
V
th
Threshold Voltage
V
CC
= +15V
V
CC
=+5V
9.4
2.7
10
3.33
10.6
4
8.8
2.4
10
3.33
11.2
4.2
V
I
th
Threshold Current - (note 3) 0.1 0.25 0.1 0.25 µA
V
trig
Trigger Voltage
V
CC
= +15V
V
CC
=+5V
4.8
1.45
5
1.67
5.2
1.9
4.5
1.1
5
1.67
5.6
2.2
V
I
trig
Trigger Current (V
trig
= 0V) 0.5 0.9 0.5 2.0 µA
V
reset
Reset Voltage - (note 4) 0.4 0.7 1 0.4 0.7 1 V
I
reset
Reset Current
V
reset
= +0.4V
V
reset
=0V
0.1
0.4
0.4
1
0.1
0.4
0.4
1.5
mA
V
OL
Low Level Output Voltage
V
CC
= +15V, I
O(sink)
= 10mA
I
O(sink)
= 50mA
I
O(sink)
= 100mA
I
O(sink)
= 200mA
V
CC
= +5V, I
O(sink)
= 8mA
I
O(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
V
OH
High Level Output Voltage
V
CC
= +15V, I
O(source)
= 200mA
I
O(source)
= 100mA
V
CC
= +5V, I
O(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 V
CC
= +5V and V
CC
= +15V.
3. This will determine the maximum value of R
A
+R
B
for +15V operation the max total is R = 20MΩ and for 5V operation
the max total R = 3.5MΩ.
OPERATING CONDITIONS
Symbol Parameter SE555 NE555 - SA555 Unit
V
CC
Supply Voltage 4.5 to 18 4.5 to 18 V
V
th
,V
trig
,V
cl
,V
reset
Maximum Input Voltage V
CC
V
CC
V
NE555/SA555/SE555
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