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555 Timer Datasheet PDF

Single Timer

Single Timer

 

 

 

Part Number 555
Description Single Timer
Feature LM555 — Single Timer January 2013 LM 555 Single Timer Features
• High-Cur rent Drive Capability: 200 mA
• Adjus table Duty Cycle
• Temperature Stabil ity of 0.
005%/°C
• Timing From μs t o Hours
• Turn off Time Less Than 2 s Applications
• Precision Timing Pulse Generation
• Delay Generation
• Sequential Timing Description The LM555 is a highly stable controller ca pable of producing accurate timing puls es.
With a monostable operation, the de lay is controlled by one external resis tor and one capacitor.
With astable ope ration, the frequency and duty cycle ar e accurately controlled by two extern .
Manufacture Fairchild Semiconductor
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Part Number 555
Description Precision Timer
Feature NEW PRODUCT NE555/SA555/NA555 PRECISION TIMERS Description These devices are precision timing circuits capable of pr oducing accurate time delays or oscilla tion.
In the timedelay or monostable mo de of operation, the timed interval is controlled by a single external resisto r and capacitor network.
In the astable mode of operation, the frequency and d uty cycle can be controlled independent ly with two external resistors and a si ngle external capacitor.
The threshold and trigger levels normally are two-thi rds and one-third, respectively, of VCC .
These levels can be altered by use of the control-v .
Manufacture Diodes
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Part Number 555
Description General-purpose single bipolar timer
Feature NE555 SA555 - SE555 General-purpose sing le bipolar timers Features ■ Low tur n-off time ■ Maximum operating freque ncy greater than 500 kHz ■ Timing fro m microseconds to hours ■ Operates in both astable and monostable modes ■ Output can source or sink up to 200 mA ■ Adjustable duty cycle ■ TTL compa tible ■ Temperature stability of 0.
00 5% per °C Description The NE555, SA555 , and SE555 monolithic timing circuits are highly stable controllers capable o f producing accurate time delays or osc illation.
In the time delay mode of ope ration, the time is precisely controlle d by one external resistor and .
Manufacture STMicroelectronics
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