Home / Standards / GB/T 12166-1990 GB/T 12166-1990 Active Electrical characteristics of unbalanced voltage digital interface circuits 非平衡电压数字接口电路的电气特性 Standard Type GBT ICS 33.040.50 CCS L78 Status 现行 Issue Date 1990-01-12 Implementation 1990-08-01 Responsible Dept 国家标准委 Drafting Unit N/A