M41T62, M41T64, M41T65 Datasheet Low-power serial .
ST Microelectronics
M41T64 - Low-power serial real-time clocks
M41T62, M41T64, M41T65 Datasheet Low-power serial real-time clocks (RTCs) with alarm 3mm 3mm QFN16 3 x 3 mm 1.5 mm 3.2 mm Embedded crystal LCC8 .
