Home / Standards / GB/T 11497.1-1989 GB/T 11497.1-1989 Abolished Series and products for CMOS semiconductor integrated circuits--Products of series 54/74 HC 半导体集成电路CMOS电路系列和品种 54/74 HC 系列的品种 Standard Type GBT ICS 31.200 CCS L56 Status 废止 Issue Date 1989-03-31 Implementation 1990-04-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A