Specification Brand : CHUANGYEIC ItemName : CHUANGYEIC 2PCS DS1339U-33+T&R IC RTC Clock/Calendar I2C 8UMAX ItemTypeKeyword : clock-integrated-circuits Manufacturer : CHUANGYEIC Material : Copper PartNumber : DS1339U-33+T&R ProductDescription : Type Clock/Calendar Features Alarm Leap Year Square Wave Output Trickle-Charger Memory Size - Time Format HH:MM:SS (12/24 hr) Date Format YY-MM-DD-dd Interface I?C 2-Wire Serial Voltage - Supply 2.97 V 5.5 V Voltage - Supply Battery 1.3 V 3.7 V Operating Temperature -40C 85C Mounting Type Surface Mount Supplier Device Package 8-uMAX ProductSiteLaunchDate : 2024-05-18T03:51:00.465Z