LM555
www.ti.com
SNAS548C –FEBRUARY 2000–REVISED MARCH 2013
(1) (2)
Electrical Characteristics
(TA = 25°C, VCC = +5V to +15V, unless otherwise specified)
Limits
Parameter
Test Conditions
LM555C
Typ
Units
Min
Max
16
6
Supply Voltage
Supply Current
4.5
V
VCC = 5V, RL = ∞
VCC = 15V, RL = ∞
3
mA
10
15
(3)
(Low State)
Timing Error, Monostable
Initial Accuracy
1
%
Drift with Temperature
RA = 1k to 100kΩ,
50
ppm/°C
(4)
C = 0.1μF,
Accuracy over Temperature
Drift with Supply
1.5
0.1
%
%/V
Timing Error, Astable
Initial Accuracy
2.25
150
%
Drift with Temperature
RA, RB = 1k to 100kΩ,
ppm/°C
(4)
C = 0.1μF,
Accuracy over Temperature
Drift with Supply
3.0
0.30
0.667
5
%
%/V
x VCC
V
Threshold Voltage
Trigger Voltage
VCC = 15V
VCC = 5V
1.67
0.5
0.5
0.1
0.1
10
V
Trigger Current
Reset Voltage
0.9
1
μA
V
0.4
Reset Current
0.4
0.25
11
mA
μA
(5)
Threshold Current
Control Voltage Level
VCC = 15V
VCC = 5V
9
V
2.6
3.33
1
4
Pin 7 Leakage Output High
100
nA
(6)
Pin 7 Sat
Output Low
VCC = 15V, I7 = 15mA
VCC = 4.5V, I7 = 4.5mA
VCC = 15V
180
80
mV
mV
Output Low
200
Output Voltage Drop (Low)
ISINK = 10mA
ISINK = 50mA
ISINK = 100mA
ISINK = 200mA
VCC = 5V
0.1
0.4
2
0.25
0.75
2.5
V
V
V
V
2.5
ISINK = 8mA
V
V
ISINK = 5mA
0.25
0.35
(1) All voltages are measured with respect to the ground pin, unless otherwise specified.
(2) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for
which the device is functional, but do not ensure specific performance limits. Electrical Characteristics state DC and AC electrical
specifications under particular test conditions which ensures specific performance limits. This assumes that the device is within the
Operating Ratings. Specifications are not ensured for parameters where no limit is given, however, the typical value is a good indication
of device performance.
(3) Supply current when output high typically 1 mA less at VCC = 5V.
(4) Tested at VCC = 5V and VCC = 15V.
(5) This will determine the maximum value of RA + RB for 15V operation. The maximum total (RA + RB) is 20MΩ.
(6) No protection against excessive pin 7 current is necessary providing the package dissipation rating will not be exceeded.
Copyright © 2000–2013, Texas Instruments Incorporated
Submit Documentation Feedback
3
Product Folder Links: LM555
TI [ TEXAS INSTRUMENTS ]
