Single Timer. 555 Datasheet

555 Timer. Datasheet pdf. Equivalent

Part 555
Description Single Timer
Feature LM555 — Single Timer January 2013 LM555 Single Timer Features • High-Current Drive Capability: 20.
Manufacture Fairchild Semiconductor
Datasheet
Download 555 Datasheet



555
January 2013
LM555
Single Timer
Features
• High-Current Drive Capability: 200 mA
• Adjustable Duty Cycle
• Temperature Stability of 0.005%/°C
• Timing From μs to Hours
• Turn off Time Less Than 2 μs
Applications
• Precision Timing
• Pulse Generation
• Delay Generation
• Sequential Timing
Description
The LM555 is a highly stable controller capable of pro-
ducing accurate timing pulses. With a monostable opera-
tion, the delay is controlled by one external resistor and
one capacitor. With astable operation, the frequency and
duty cycle are accurately controlled by two external
resistors and one capacitor.
8-DIP
1
8-SOIC
1
Ordering Information
Part Number
LM555CN
LM555CM
LM555CMX
Operating Temperature Range
0 ~ +70°C
Top Mark
LM555CN
LM555CM
LM555CM
Package
DIP 8L
SOIC 8L
SOIC 8L
Packing Method
Rail
Rail
Tape & Reel
© 2002 Fairchild Semiconductor Corporation
LM555 Rev. 1.1.0
1
www.fairchildsemi.com



555
Block Diagram
GGND 1
R
TTriiggger 2
Comp.
RR
8 VVcCcC
DiDscishcahrgairngginTgraTnsri.stor
7 DDiisscchhaarrggee
OOuuttppuutt 3
OutPut
Stage
F/F
RReeseett 4
VVrReEfF
6 TThresshhoolldd
Comp.
5
CTCohonrnettrsroohllold
VVoltagee
Figure 1. Block Diagram
Absolute Maximum Ratings
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be opera-
ble above the recommended operating conditions and stressing the parts to these levels is not recommended. In addi-
tion, extended exposure to stresses above the recommended operating conditions may affect device reliability. The
absolute maximum ratings are stress ratings only. Values are at TA = 25°C unless otherwise noted.
Symbol
Parameter
Value
Unit
VCC
TLEAD
PD
TOPR
TSTG
Supply Voltage
Lead Temperature (Soldering 10s)
Power Dissipation
Operating Temperature Range
Storage Temperature Range
16
300
600
0 ~ +70
-65 ~ +150
V
°C
mW
°C
°C
© 2002 Fairchild Semiconductor Corporation
LM555 Rev. 1.1.0
2
www.fairchildsemi.com


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