參數	數值
規格書	數據手冊下載
Package	8SOIC N
Time Format	HH:MM:SS
Date Format	DW:DM:M:Y
Function	Clock/Calendar/Battery Backup/NV Timekeeping RAM
Operating Supply Voltage	1.8 V
Bus Type	Serial (I2C)
User RAM	56 Byte
Operating Temperature	-40 to 85 °C