Quad Timing Circuits
XR-558/559 Quad Timing Circuits GENERAL DESCRIPTION The XR-558 and the XR-559 quad timing circuits contain four independent timer sections on a single monolithic chip. Each of the timer sections on the chip are entirely independent, and each one can produce a time delay from microseconds to minutes, as set by an external R-C network. Each timer has its sepa...
Exar