LS7211 PDF 데이터시트 검색

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 PROGRAMMABLE DIGITAL DELAY TIMER 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, 60H- time base or 32.768KH- watch crystal Four operating modes Reset input for delay abort Low quiescent and operating c