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555 PDF даташит

Спецификация 555 изготовлена ​​​​«Fairchild Semiconductor» и имеет функцию, называемую «Single Timer».

Детали детали

Номер произв 555
Описание Single Timer
Производители Fairchild Semiconductor
логотип Fairchild Semiconductor логотип 

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555 Даташит, Описание, Даташиты
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









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555 Даташит, Описание, Даташиты
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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555 Даташит, Описание, Даташиты
Electrical Characteristics
Values are at TA = 25°C, VCC = 5 ~ 15 V unless otherwise specified.
Parameter
Symbol
Conditions
Min. Typ. Max. Unit
Supply Voltage
VCC
4.5 16.0 V
Supply Current (Low Stable) (1)
ICC
VCC = 5 V, RL =
VCC = 15 V, RL =
36
7.5 15.0
mA
mA
Timing Error (Monostable)
Initial Accuracy (2)
Drift with Temperature (3)
ACCUR
RA = 1 kΩ to100 kΩ
Δt / ΔT C = 0.1 μF
1.0 3.0
%
50 ppm / °C
Drift with Supply Voltage (3)
Δt / ΔVCC
0.1 0.5 % / V
Timing Error (Astable)
InItial Accuracy (2)
Drift with Temperature (3)
ACCUR
RA = 1 kΩ to 100kΩ
Δt / ΔT C = 0.1 μF
2.25
150
%
ppm / °C
Drift with Supply Voltage (3)
Δt / ΔVCC
0.3 % / V
Control Voltage
VC
VCC = 15 V
VCC = 5 V
9.0
2.60
10.0
3.33
11.0
4.00
V
V
Threshold Voltage
Threshold Current (4)
VTH
VCC = 15 V
VCC = 5V
ITH
10.0
3.33
0.10
0.25
V
V
μA
Trigger Voltage
VTR
VCC = 5 V
VCC = 15 V
1.10
4.5
1.67
5.0
2.20
5.6
V
V
Trigger Current
ITR VTR = 0 V
0.01 2.00
μA
Reset Voltage
VRST
0.4 0.7 1.0
V
Reset Current
IRST
0.1 0.4
mA
Low Output Voltage
VOL
VCC = 15 V
ISINK = 10 mA
ISINK = 50 mA
0.06
0.30
0.25
0.75
V
V
VCC = 5 V, ISINK = 5 mA
0.05 0.35
V
High Output Voltage
VOH
VCC = 15 V
ISOURCE = 200
ISOURCE = 100
mA
mA
12.75
12.5
13.30
V
V
Rise Time of Output(3)
Fall Time of Output(3)
VCC = 5 V, ISOURCE = 100 mA 2.75 3.30
tR 100
tF 100
V
ns
ns
Discharge Leakage Current
ILKG
20 100
nA
Notes:
1. When the output is high, the supply current is typically 1 mA less than at VCC = 5 V.
2. Tested at VCC = 5.0 V and VCC = 15 V.
3. These parameters, although guaranteed, are not 100% tested in production.
4. This determines the maximum value of RA + RB for 15 V operation, the maximum total R = 20 MΩ, and for 5 V
operation, the maximum total R = 6.7 MΩ.
© 2002 Fairchild Semiconductor Corporation
LM555 Rev. 1.1.0
3
www.fairchildsemi.com










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