文档预览： 74LS48 7-SEG DRIVER（驱动器） 16-PIN DIP JAMECO #47811 0.89 1 16-... Acrobat is, visit Adobe to download a copy of its FREE PDF-file viewer. 你可点击... 点击下载

文档预览： SN54/74LS290 D SN54/74LS293 AC CHARACTERISTICS (TA = 25°C, VCC = 5.... 12 16 18 10 12 16 18 ns tPLH tPHL CP0 Input to Q3 Output 32 34 48 ... 点击下载

文档预览： Note that 74LS type are also working even if they are slower. To use this circuit, ... 9600 Bauds, send one byte take about 1 ms. You can find the PDF file for the ... 点击下载

文档预览： Adding Libraries 48 Importing Library Search Order 49 Megafile Libraries 50 ... 212 Heterogeneous Example – MC1488 213 Heterogeneous Example – 74LS... 点击下载

文档预览： q Think about your board decoder logic. You may want to have another 74LS138 ... 0E 0F 10 11 12 13 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E... 点击下载

文档预览： 1614 17 15 U7 74LS154 X1 32 KHz C3 0.1 uF C4 0.1 uF C5 0.1 uF ... Minutes 0 - 15 '154 Minutes 16 - 31 '154 Minutes 32 - 47 '154 Minutes 48 ... 点击下载