KS C IEC 60122-2-1-2011(2021) 频率控制和选择用石英晶体元件第2部分:频率控制和选择用石英晶体元件使用指南第一节:微处理器时钟电源用石英晶体元件
Quartz crystal units for frequency control and selection-Part 2:Guide to the use of quartz crystal units for frequency control and selection-Section one:Quartz crystal units for microprocessor clock s