Standard Timer Dual 14-Pin SOIC Tube

The NE556, SA556 and SE556 dual monolithic timing circuits are highly stable controllers 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.The circuits may be triggered and reset on falling waveforms, and the output structure can source or sink up to 200 mA.

Low turn-off time

Maximum operating frequency greater than 500 kHz

Timing from microseconds to hours

Operates in both astable and monostable modes

Output can source or sink up to 200 mA

Adjustable duty cycle

TTL compatible

Temperature stability of 0.005% per °C