74L系列芯片74LS27
2012-08-17 17:32
74LS27英文手册
2016-11-05 18:10
DM54LS27/DM74LS27Triple 3-Input NOR GatesGeneral DescriptionThis device contains three independent gates each of whichperforms the l
2008-08-06 10:51
74LS27 datashee—英版数据手册，感兴趣的可以看看哦。
2016-08-29 18:14
74LS245N
2017-03-04 17:52
SN74LS193N datesheet
2016-05-23 16:25
are characterized for operation over the full military temperature range of -55°C to 125°C. The SN7427 and SN74LS27 are characterized for operatio
2010-08-07 00:13
如题：74LS139DY与74LS139N有啥区别？求指教
2014-04-16 20:59
之前采用HD74LS48P，驱动数码管工作正常，更换为我们的SN74LS48N后就不工作了，在输入端都是低电平的时候，输出a~g也都低电平，帮忙分析一下什么原因造成的，感谢
2016-05-28 10:32
74LS688/74LS682/74LS684/74LS685/74LS687 pdf datasheet
2008-08-06 12:41
