DS12R887 is based on BGA package. Maxim currently doesn't have any RTC (with built-in battery and crystal) with this package. The closest alternative is DS12CR887-33+ which is in DIP package.
DS12R887
Obsolete
The DS12R885 is a functional drop-in replacement for the DS12885 real-time clock (RTC). The device provides an RTC/calendar, one time-of-day alarm, three...
Datasheet
DS12R887 on Analog.com
DS12CR887
Production
The DS12R885 is a functional drop-in replacement for the DS12885 real-time clock (RTC). The device provides an RTC/calendar, one time-of-day alarm, three...
Datasheet
DS12CR887 on Analog.com
DS12R887 is based on BGA package. Maxim currently doesn't have any RTC (with built-in battery and crystal) with this package. The closest alternative is DS12CR887-33+ which is in DIP package.