LS7212 Datasheet - LSI Computer Systems

LS7212, PROGRAMMABLE DIGITAL DELAY TIMER

LSI/CSI UL ® LS7211-7212 (631) 271-0400 FAX (631) 271-0405 June 1997 LSI Computer Systems, Inc.1235 Walt Whitman Road, Melville, NY 11747 A3800 P.
The LS7211/LS7212 are monolithic CMOS integrated circuits for generating digitally programmable delays.

Features

* 8-bit programmable delay from nanoseconds to days
* On chip oscillator (RC or Crystal) or external clock time base
* Selectable prescaler for real time delay generation based on 50Hz/60Hz time base or 32.768KHz watch crystal
* Four operating modes
* Reset i

LS7212_LSIComputerSystems.pdf