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LM555

Part Number	LM555
Manufacturer	National Semiconductor
Description	Timer
Published	Mar 22, 2005
Detailed Description	LM555 Timer July 2006 LM555 Timer General Description The LM555 is a highly stable device for generating accurate time...
Datasheet	LM555 PDF File

Overview

LM555 Timer July 2006 LM555 Timer General Description The LM555 is a highly stable device for generating accurate time delays or oscillation.
Additional terminals are provided for triggering or resetting if desired.
In the time delay mode of operation, the time is precisely controlled by one external resistor and capacitor.
For astable operation as an oscillator, the free running frequency and duty cycle are accurately controlled with two external resistors and one capacitor.
The circuit may be triggered and reset on falling waveforms, and the output circuit can source or sink up to 200mA or drive TTL circuits.
Features n Direct replacement for SE555/NE555 n Timing from microseconds throu...

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