參數	數值
規格書	數據手冊下載
Package	20TSSOP
Time Format	HH:MM:SS
Date Format	DW:DM:M:Y
Function	Clock/Calendar/Alarm/Watchdog Timekeeper/NV SRAM Control
Operating Supply Voltage	3.3 V
Bus Type	Serial (3-Wire)
Operating Temperature	0 to 70 °C