LM555
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
Power Dissipation (Note 3)
LM555CM, LM555CN
LM555CMM
Operating Temperature Ranges
LM555C
Storage Temperature Range
0˚C to +70˚C
−65˚C to +150˚C
1180 mW
613 mW
+18V
Soldering Information
Dual-In-Line Package
Soldering (10 Seconds)
Small Outline Packages
(SOIC and MSOP)
Vapor Phase (60 Seconds)
Infrared (15 Seconds)
215˚C
220˚C
260˚C
See AN-450 “Surface Mounting Methods and Their Effect
on Product Reliability” for other methods of soldering
surface mount devices.
Electrical Characteristics
(Notes 1, 2)
(T
A
= 25˚C, V
CC
= +5V to +15V, unless othewise specified)
Parameter
Conditions
Min
Supply Voltage
Supply Current
V
CC
= 5V, R
L
=
∞
V
CC
= 15V, R
L
=
∞
(Low State) (Note 4)
4.5
3
10
Limits
LM555C
Typ
Max
16
6
15
V
mA
Units
Timing Error, Monostable
Initial Accuracy
Drift with Temperature
Accuracy over Temperature
Drift with Supply
Timing Error, Astable
Initial Accuracy
Drift with Temperature
Accuracy over Temperature
Drift with Supply
Threshold Voltage
Trigger Voltage
Trigger Current
Reset Voltage
Reset Current
Threshold Current
Control Voltage Level
Pin 7 Leakage Output High
Pin 7 Sat (Note 7)
Output Low
Output Low
V
CC
= 15V, I
7
= 15mA
V
CC
= 4.5V, I
7
= 4.5mA
180
80
200
mV
mV
V
CC
= 15V
V
CC
= 5V
9
2.6
0.4
V
CC
= 15V
V
CC
= 5V
R
A
, R
B
= 1k to 100kΩ,
C = 0.1µF, (Note 5)
3.0
0.30
0.667
5
1.67
0.5
0.5
0.1
0.1
10
3.33
1
0.9
1
0.4
0.25
11
4
100
%
%/V
x V
CC
V
V
µA
V
mA
µA
V
nA
2.25
150
%
ppm/˚C
R
A
= 1k to 100kΩ,
C = 0.1µF, (Note 5)
1.5
0.1
%
%/V
1
50
%
ppm/˚C
3
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