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SA555 Description

The 555 monolithic timing circuit is a highly stable controller capable of producing accurate time delays, or oscillation. 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 the duty cycle are both accurately controlled with two external resistors and one capacitor.

SA555 Key Features

  • Turn-off time less than 2 µs
  • Max. operating frequency greater than 500 kHz
  • Timing from microseconds to hours
  • Operates in both astable and monostable modes
  • High output current
  • Adjustable duty cycle
  • TTL patible
  • Temperature stability of 0.005% per °C