上海毅钧SHT1302/SHT1302S/HT1380/HT1381是一个带秒分时日日期月年的时钟万年历芯片,每个月多少天以及闰年能自动调节，工作方式低功耗，SHT1302/SHT1302S/HT1380/HT1381用若干寄存器存储对应信息一个32.78KHz的晶振校准时钟为了使用最小引脚，封装：8SOP，SHT1302/SHT1302S/HT1380/HT1381的pdf格式的datasheet和样片、驱动源码程序可到毅钧网站索取。