LM555 Texas instruments

LM555

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LM555

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Описание

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 a stable 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 200 mA or drive TTL circuits.

Direct Replacement for SE555/NE555
Timing from Microseconds through Hours
Operates in Both Astable and Monostable Modes
Adjustable Duty Cycle
Output Can Source or Sink 200 mA
Output and Supply TTL Compatible
Temperature Stability Better than 0.005% per °C
Normally On and Normally Off Output
Available in 8-pin VSSOP Package

Function	General-purpose timer
Iq (typ) (mA)	3
Rating	Catalog
Operating temperature range (°C)	0 to 70
Supply voltage (max) (V)	16
Supply voltage (min) (V)	4.5