Datasheet Summary
..
DS1395/DS1397
DS1395/DS1397 RAMified Real Time Clock
Features
- Ideal for EISA bus PCs
- Functionally patible with MC146818 in 32 KHz mode
- Totally nonvolatile with over 10 years of operation in the absence of power
- Self-contained subsystem includes lithium, quartz, and support circuitry
- Counts seconds, minutes, hours, day of the week, date, month, and year with leap year pensation
- Binary or BCD representations of time, calendar, and alarm
- 12- or 24-hour clock with AM and PM in 12-hour mode
- Daylight Savings Time option
- Interfaced with software as 64 register/RAM locations plus 4K x 8 of static RAM
- 14 bytes of clock and control registers
- 50 bytes...