Real-Time Clock

General Description The DS12885, DS12887, and DS12C887 real-time clocks (RTCs) are designed to be direct replacements for the DS1285 and DS1287. The devices provide a real-time clock/calendar, one time-of-day alarm, three maskable interrupts with a common interrupt output, a programmable square w

Real-Time Clocks

文件：268.46 Kbytes Page：22 Pages

封装/外壳：24-DIP 模块（0.600"，15.24mm） 包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带 描述：IC RTC CLK/CALENDAR PAR 24-EDIP 集成电路（IC） 实时时钟

Real-Time Clock

General Description The DS12885, DS12887, and DS12C887 real-time clocks (RTCs) are designed to be direct replacements for the DS1285 and DS1287. The devices provide a real-time clock/calendar, one time-of-day alarm, three maskable interrupts with a common interrupt output, a programmable square w

Real Time Clock

DESCRIPTION The DS12C887 Real Time Clock plus RAM is designed as a direct upgrade replacement for the DS12887 in existing IBM compatible personal computers to add hardware year 2000 compliance. A century byte was added to memory location 50, 32h, as called out by the PC AT specification. A lithiu

Real-Time Clocks

文件：268.46 Kbytes Page：22 Pages

Real Time Clock

文件：520.789 Kbytes Page：19 Pages

Real Time Clock

DESCRIPTION The DS12C887 Real Time Clock plus RAM is designed as a direct upgrade replacement for the DS12887 in existing IBM compatible personal computers to add hardware year 2000 compliance. A century byte was added to memory location 50, 32h, as called out by the PC AT specification. A lithiu