Datasheet Summary
..
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 patible 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 pensation alarm
- Binary or BCD representations of time, calendar, and
- 12- or 24-hour...