This can be found in the package 18-SOIC (0.209, 5.30mm Width).The package is Tape & Reel (TR).This electrical RTC receives its power from the 2.5V~5.5V supply voltage.There is a type of electrical real time clock Clock/Calendar associated with this real time clock.Here, Surface Mount represents how this part is mounted.Temperature should be set at -40°C~85°C.In order to ensure Leap Year when operating, a certain value has to be set.It is a type of real time clock belonging to the RTC-4543SB series.
RTC-4543SB:B3 ROHS Features
18-SOIC (0.209, 5.30mm Width) package RTC-4543SB series
RTC-4543SB:B3 ROHS Applications
There are a lot of EPSON RTC-4543SB:B3 ROHS Real Time Clocks applications.