24 Pages, 711 KB, Original
1.8 V, low-voltage SPI/3-wire RTC with trickle charger
26 Pages, 381 KB, Original
IC RTC W/CHARGER 10-USOP - DS1390U-18+
27 Pages, 318 KB, Original
Real Time Clock Low-V SPI/3-Wire With Trickle Charger