Absolute Maximum Ratings (Note 2)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Supply Voltage

+18V

Power Dissipation (Note 3)

LM555CM, LM555CN

1180 mW

LM555CMM

613 mW

Operating Temperature Ranges

LM555C

0˚C to +70˚C

Storage Temperature Range

−65˚C to +150˚C

Soldering Information

Dual-In-Line Package

Soldering (10 Seconds)

260˚C

Small Outline Packages

(SOIC and MSOP)

Vapor Phase (60 Seconds)

215˚C

Infrared (15 Seconds)

220˚C

See AN-450 “Surface Mounting Methods and Their Effect

on Product Reliability” for other methods of soldering

surface mount devices.

(T

Parameter

Conditions

Limits

Units

LM555C

Min

Typ

Max

Supply Voltage

4.5

16

V

Supply Current

V

V

(Low State) (Note 4)

3

10

6

15

mA

Timing Error, Monostable

Initial Accuracy

1%

Drift with Temperature

R

Ω,

50

ppm/˚C

C = 0.1µF, (Note 5)

Accuracy over Temperature

1.5

%

Drift with Supply

0.1

%/V

Timing Error, Astable

Initial Accuracy

2.25

%

Drift with Temperature

R

Ω,

150

ppm/˚C

C = 0.1µF, (Note 5)

Accuracy over Temperature

3.0

%

Drift with Supply

0.30

%/V

Threshold Voltage

0.667

x V

CC

Trigger Voltage

V

5

V

V

1.67

V

Trigger Current

0.5

0.9

µA

Reset Voltage

0.4

0.5

1

V

Reset Current

0.1

0.4

mA

Threshold Current

(Note 6)

0.1

0.25

µA

Control Voltage Level

V

V

9

2.6

10

3.33

11

4

V

Pin 7 Leakage Output High

1

100

nA

Pin 7 Sat (Note 7)

Output Low

V

180

mV

Output Low

V

80

200

mV

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