Real Time Clock

DESCRIPTION The DS1287 Real Time Clock is designed to be a direct replacement for the MC146818A. For a complete description of operating conditions, electrical and mechanical characteristics, bus timing, and pin descriptions see the DS12887 data sheet. FEATURES ?Drop-in replacement f

文件：19.84 Kbytes 頁數(shù)：1 Pages

DALLAS

Real Time Clock

DESCRIPTION The DS12887 Real Time Clock plus RAM is designed to be a direct replacement for the DS1287. The DS12887 is identical in form, fit, and function to the DS1287, and has an additional 64 bytes of general purpose RAM. Access to this additional RAM space is determined by the logic level pr

文件：584.91 Kbytes 頁數(shù)：19 Pages

DALLAS

Real-Time Clock

DESCRIPTION\nThe DS1287 Real Time Clock is designed to be a direct replacement for the MC146818A. For a complete\ndescription of operating conditions, electrical and mechanical characteristics, bus timing, and pin descriptions see the DS12887 data sheet.FEATURES\n?Drop-in replacement for IBM AT comp ?Drop-in replacement for IBM AT computer clock/calendar\n?Pin compatible with the MC146818A\n?Totally nonvolatile with over 10 years of operation in the absence of power\n?Self-contained subsystem includes lithium, quartz, and support circuitry\n?Counts seconds, minutes, hours, day of the week, date;

ADI

亞德諾

Real Time Clock

DESCRIPTION The DS1287A is identical to the DS1287 with the addition of the RAM clear pin. For a complete description of operating conditions, electrical and mechanical characteristics, bus timing, and pin descriptions see the DS12887A data sheet. FEATURES ?Drop-in replacement for IB

文件：17.21 Kbytes 頁數(shù)：1 Pages

DALLAS

Real Time Clock

ADI

亞德諾