Found 8 alternatives for DS1337 by Rochester Electronics, LLC. Clock Timing Real Time Clocks — 8-DIP (0.300", 7.62mm).
IC RTC BINARY CNT I2C 8-DIP
IC RTC BINARY CNT I2C 8-DIP
IC RTC CLK/CALENDAR SER 8-DIP
IC RTC BINARY CNT I2C 8-DIP
IC RTC BINARY CNT I2C 8-DIP
IC RTC CLK/CALENDAR I2C 8DIP
IC RTC CLK/CALENDAR I2C 8-DIP
IC RTC BINARY CNT I2C 8-DIP