Home / Standards / GB/T 3431.2-1986 GB/T 3431.2-1986 Active Letter symbols for semiconductor integrated circuits--Letter symbols for function of pins 半导体集成电路文字符号 引出端功能符号 Standard Type GBT ICS 31.200 CCS L56 Status 现行 Issue Date 1986-07-01 Implementation 1987-04-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A