DS1391U-3+  

参数	数值
规格书	数据手册下载
Function	Clock/Calendar/Alarm/Trickle Charger
Operating Supply Voltage	3 V
Package	10uMAX
Date Format	DW:DM:M:Y
Operating Temperature	-40 to 85 °C
Bus Type	Serial (4-Wire, SPI)
Time Format	HH:MM:SS:hh