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NE555 - Single Timer

General 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.

Key Features

  • High Current Drive Capability (200mA).
  • Adjustable Duty Cycle.
  • Temperature Stability of 0.005%/°C.
  • Timing From µSec to Hours.
  • Turn off Time Less Than 2µSec.

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Other Datasheets by Fairchild (now onsemi)

Part Number Description
NE556 Dual Timer
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NE558D Quad Timer

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LM555/NE555/SA555 Single Timer www.fairchildsemi.com Features • High Current Drive Capability (200mA) • Adjustable Duty Cycle • Temperature Stability of 0.005%/°C • Timing From µSec to Hours • Turn off Time Less Than 2µSec Applications • Precision Timing • Pulse Generation • Time Delay Generation • Sequential Timing 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 operation, the frequency and duty cycle are accurately controlled by two external resistors and one capacitor. 8-DIP 1 8-SOP 1 Internal Block Diagram R GND 1 Trigger 2 Comp. R R 8 Vcc Discharging Tr.