实时时钟
RV-3028-C8 32.768KHZ 1PPM TA QC
Real Time Clock Serial 2byte Clock/Calendar/Alarm/Timer/Interrupt/Battery Backup
Micro Crystal AG产品技术规范
美国出口管制分类ECCN编码
EAR99
Real Time Clock Serial 2byte Clock/Calendar/Alarm/Timer/Interrupt/Battery Backup
Micro Crystal AG