Portable System Ctrl, Hh:Mm:Ss, Wsoic-20; Date Format:Day; Date; Month; Year; Clock Format:Hh:Mm:Ss; Clock Ic Type:Alarm Rtc; Supply Voltage Min:4.5V; Supply Voltage Max:5.5V; Clock Ic Case Style:Wsoic; No. Of Pins:20Pins Rohs Compliant: Yes |Maxim Integrated/analog Devices DS1673S-5+