D55342E07B649DRT1  

参数	数值
规格书	数据手册下载
Function	Clock/Calendar/Alarm/Interrupt/Watchdog Timer/Battery Backup
Operating Supply Voltage	2.5|3.3|5 V
User RAM	64 Byte
Package	14TSSOP
Date Format	DW:DM:M:Y
Operating Temperature	-40 to 85 °C
Bus Type	Serial (SPI)
Time Format	HH:MM:SS:hh