D55342E07B344ARWS  

参数	数值
规格书	数据手册下载
Function	Clock/Calendar/Alarm/Battery Backup
Operating Supply Voltage	3.3 V
User RAM	96 Byte
Package	20TSSOP
Date Format	DW:DM:M:Y
Operating Temperature	-40 to 85 °C
Bus Type	Serial (3-Wire, SPI)
Time Format	HH:MM:SS