(DS1495 / DS1497) RAMified Real Time Clock
DS1495/DS1497 DS1495/DS1497 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 ...
Dallas Semiconductor