參數	數值
規格書	數據手冊下載
Package	28SOIC
Time Format	HH:MM:SS
Date Format	DW:DM:M:Y
Function	Clock/Calendar/Alarm/Battery Backup/NV SRAM Control
Operating Supply Voltage	5 V
Bus Type	Parallel
User RAM	16 Byte
Operating Temperature	0 to 70 °C