SA556N Datasheet, Philips

* Turn-off time less than 2µs (556-1)
* Maximum operating frequency >500kHz (556-1)
* Timing from microseconds to hours
* Replaces two 555 timers
* O.

OUTPUT TRIGGER GND
* Precision timing
* Sequential timing
* Pulse shaping
* Pulse generator
* Mis.

Both the 556 and 556-1 Dual Monolithic timing circuits are highly stable controllers capable of producing accurate time delays or oscillation. The 556 and 556-1 are a dual 555. Timing is provided by an external resistor and capacitor for each timing .