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

文件：193.93 Kbytes 页数：19 Pages

DALLAS

Real Time Clock

ADI

亚德诺

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

文件：193.93 Kbytes 页数：19 Pages

DALLAS

Real-Time Clock

文件：83.37 Kbytes 页数：2 Pages

DALLAS

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

文件：361.41 Kbytes 页数：22 Pages

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