Raspberry Pi & Maker goodies
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The 555 timer is one of the most used and useful ICs ever produced. Designed in 1971 by Hans Camenzind it provides a way to include different methods of timing and oscillation into your circuits.
In the time delay mode the time is precisely controlled by one external resistor and capacitor. In oscillator mode the frequency and duty cycle are controlled with two external resistors and one capacitor.
Available in both a single (555) and dual (556) package. The dual package contains two 555 timers which share common ground and source pins.
|Maximum Frequency||2.7 MHz||500 kHz|
|Supply Current||65 uA||10mA|
|Source Or Sink||10mA Sink, 50mA source||200mA|
|Supply Voltage||2V - 16V||4.5V - 16V|