FAIRCHILD LM555/NE555/SA555 Single Timer Manual(1)

The LM555 is a low-power, high-performance single-chip timer circuit introduced by Fairchild Semiconductor. It is mainly used to construct various multivibrators, one-shot triggers, delay circuits and pulse generators. The LM555 has a wide operating voltage range, high frequency accuracy, high oscillation stability, and high reliability, which is widely used in various electronic products.