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NE555 timer Datasheet PDF

General-purpose single bipolar timer

General-purpose single bipolar timer

 

 

 

Part Number NE555
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 ST Microelectronics
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Part Number NE555
Description Precision Timer
Feature NE555 PRECISION TIMER Description These devices are precision timing circuits capable of producing accurate time dela ys or oscillation.
In the time-delay or monostable mode of operation, the time d interval is controlled by a single ex ternal resistor and capacitor network.
In the astable mode of operation, the f requency and duty cycle can be controll ed independently with two external resi stors and a single external capacitor.
The threshold and trigger levels normal ly are two-thirds and one-third, respec tively, of VCC.
These levels can be alt ered by use of the control-voltage term inal.
When the .
Manufacture Diodes
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NE555

 

 

 


 

 

 

Part Number NE555
Description Single Timer
Feature www.
fairchildsemi.
com LM555/NE555/SA555 Single Timer Features




• High Current Drive Capability (200m A) Adjustable Duty Cycle Temperature St ability of 0.
005%/°C Timing From µSec to Hours Turn off Time Less Than 2µSe c Description The LM555/NE555/SA555 is a highly stable controller capable of producing accurate timing pulses.
With a monostable operation, the time delay is controlled by one external resistor and one capacitor.
With an astable oper ation, the frequency and duty cycle are accurately controlled by two external resistors and one capacitor.
8-DIP App lications



• Precision .
Manufacture Fairchild
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