EIA 449-1:1980被替代
Addendum No 1 To Eia-449 General Purpose 37 Position And 9 Position Interface For Data Terminal Equipment And Data Circuit Terminating Equipment Employing Serial Binary Data Interchange
出版：JEDEC Solid State Technology Association
专家解读视频
基本信息
标准编号： EIA 449-1:1980
标准类别：Standard
出版单位：JEDEC Solid State Technology Association
标准页数：0
标准简介
Brings the Standard in line with international definition of Circuit NS (New Signal). This new definition of NS is felt to be "cleaner" in the sense that it forms the action reaction type of sequence that is preferred for interface operation.
