Found 10 alternatives for DS1315N-33 by Rochester Electronics, LLC. Clock Timing Real Time Clocks — 16-DIP (0.300", 7.62mm).
SERIAL RTC WITH RAM
IC RTC CLK/CALENDAR SPI 16-DIP
IC RTC CLK/CALENDAR SPI 16-DIP
IC RTC CLK/CALENDAR SPI 16-DIP
IC RTC PHANTOM PAR 16-DIP
IC RTC PHANTOM PAR 16-DIP
IC RTC PHANTOM PAR 16-DIP
IC RTC PHANTOM PAR 16-DIP
IC RTC PHANTOM PAR 16-DIP
IC RTC CLK/CALENDAR SPI 16-DIP