DS1744W-120 DIP24 32Kbit NVRAM 120ns 5V Timekeeping with *ss

DS1650Y-100 DIP RTC with NVRAM 100 Sec Backup Technology *lg

DS1650Y-100 DIP RTC with NVRAM 100 Sec Backup Technology *pi

DS1650Y-100 DIP RTC with NVRAM 100 Sec Backup Technology #tr

Dallas DS1235Y-70 DIP-28 RTC with NVRAM 70 Sec Backup Low Power *pi

DS1245AB-120 DIP RTC with NVRAM 120 Sec Backup Low Power Consumption #A6-3

Dallas DS1230AB-200 DIP High-Precision 64Kx8 NVRAM, 200ns, Backup *ss

DS1650Y-100 DIP RTC with NVRAM 100 Sec Backup Technology *vb