BQ4822YMA-70  

参数	数值
规格书	数据手册下载
Function	Clock/Calendar/Alarm/Timer/Interrupt
Operating Supply Voltage	5 V
User RAM	8192 Byte
Package	28DIP Module
Date Format	DW:DM:M:Y
Operating Temperature	0 to 70 °C
Bus Type	Parallel
Time Format	HH:MM:SS:hh