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LM555 Datasheet Timer

Manufacturer: Texas Instruments

Overview: Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM555 Timer LM555 SNAS548D – FEBRUARY 2000 – REVISED JANUARY 2015.

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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.

Key Features

  • 1 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 2.

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