DS1558 PDF 데이터시트 검색

DS1558 Watchdog Clock with NV RAM Control www.maxim-ic.com FEATURES § § § § § § § § § § Integrated real-time clock (RTC), power-fail control circuit, and NV RAM controller Clock registers are accessed identically to the static RAM; these registers are resident in the 16 top RAM locations Century register Greater than 10 years of timekeeping and data retention in the absence of power with small lithium coin cell(s) and low-leakage SRAM Precision power-on reset Programmable watchdog tim