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DS1397

Dallas Semiconductor
Part Number DS1397
Manufacturer Dallas Semiconductor
Description RAMified Real Time Clock
Published Jan 9, 2008
Detailed Description www.DataSheet4U.com DS1395/DS1397 DS1395/DS1397 RAMified Real Time Clock FEATURES PIN ASSIGNMENT A0 A1 X2 X1 STBY D0...
Datasheet PDF File DS1397 PDF File

DS1397
DS1397

Overview
www.
DataSheet4U.
com DS1395/DS1397 DS1395/DS1397 RAMified Real Time Clock FEATURES PIN ASSIGNMENT A0 A1 X2 X1 STBY D0 D1 D2 D3 D4 D5 D6 D7 V SS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 A2 A3 VDD SQW A4 A5 VBAT IRQ RESET RD BGND WR XRAM RTC • Ideal for EISA bus PCs • Functionally compatible mode with MC146818 in 32 KHz • Totally nonvolatile with over 10 years of operation in the absence of power • Self-contained • Counts subsystem includes lithium, quartz, and support circuitry seconds, minutes, hours, day of the week, date, month, and year with leap year compensation alarm • Binary or BCD representations of time, calendar, and • 12- or 24-hour clock ...


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