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LM555 Precision Timer IC - 8-Pin DIP

Vendor: RadioShack
Catalog №: 2761723

$2.20

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Product Information


Precision monolithic timing circuits capable of producing accurate time delays or oscillation.

  • In the time-delay or monostable mode of operation, the timed interval is controlled by a single external resistor and capacitor network.
  • In the astable mode of operation, the frequency and duty cycle may be independently controlled with two external resistors and a single external capacitor.
  • The threshold and trigger levels are normally two-thirds and one-third, respectively, of VCC. These levels can be altered by use of the control voltage terminal.

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