<?xml version="1.0" encoding="utf-8"?>
<rss version="2.0">
  <channel>
    <title>圣源电子制作 - 74LS 系列-中文资料</title>
    <link>https://bbs.syyyd.com/forum.php?mod=forumdisplay&amp;fid=60</link>
    <description>Latest 20 threads of 74LS 系列-中文资料</description>
    <copyright>Copyright(C) 圣源电子制作</copyright>
    <generator>Discuz! Board by Comsenz Inc.</generator>
    <lastBuildDate>Fri, 06 Nov 2026 06:49:11 +0000</lastBuildDate>
    <ttl>60</ttl>
    <image>
      <url>https://bbs.syyyd.com/static/image/common/logo_88_31.gif</url>
      <title>圣源电子制作</title>
      <link>https://bbs.syyyd.com/</link>
    </image>
    <item>
      <title>74系列芯片功能大全</title>
      <link>https://bbs.syyyd.com/forum.php?mod=viewthread&amp;tid=2650</link>
      <description><![CDATA[74系列芯片功能大全

7400 TTL 2输入端四与非门
7401 TTL 集电极开路2输入端四与非门
7402 TTL 2输入端四或非门
7403 TTL 集电极开路2输入端四与非门
7404 TTL 六反相器
7405 TTL 集电极开路六反相器
7406 TTL 集电极开路六反相高压驱动器
7407 TTL 集电极开路六正相高 ...]]></description>
      <category>74LS 系列-中文资料</category>
      <author>SYDZ__顺</author>
      <pubDate>Tue, 08 May 2012 01:53:48 +0000</pubDate>
    </item>
    <item>
      <title>74LS133 pdf中文资料</title>
      <link>https://bbs.syyyd.com/forum.php?mod=viewthread&amp;tid=300</link>
      <description><![CDATA[]]></description>
      <category>74LS 系列-中文资料</category>
      <author>SYDZ__顺</author>
      <pubDate>Mon, 05 Sep 2011 04:43:49 +0000</pubDate>
    </item>
    <item>
      <title>74LS132 pdf中文资料</title>
      <link>https://bbs.syyyd.com/forum.php?mod=viewthread&amp;tid=299</link>
      <description><![CDATA[]]></description>
      <category>74LS 系列-中文资料</category>
      <author>SYDZ__顺</author>
      <pubDate>Mon, 05 Sep 2011 04:43:24 +0000</pubDate>
    </item>
    <item>
      <title>74LS128 pdf中文资料</title>
      <link>https://bbs.syyyd.com/forum.php?mod=viewthread&amp;tid=298</link>
      <description><![CDATA[]]></description>
      <category>74LS 系列-中文资料</category>
      <author>SYDZ__顺</author>
      <pubDate>Mon, 05 Sep 2011 04:42:50 +0000</pubDate>
    </item>
    <item>
      <title>74LS126 pdf中文资料</title>
      <link>https://bbs.syyyd.com/forum.php?mod=viewthread&amp;tid=297</link>
      <description><![CDATA[]]></description>
      <category>74LS 系列-中文资料</category>
      <author>SYDZ__顺</author>
      <pubDate>Mon, 05 Sep 2011 04:42:30 +0000</pubDate>
    </item>
    <item>
      <title>74LS125 pdf中文资料</title>
      <link>https://bbs.syyyd.com/forum.php?mod=viewthread&amp;tid=296</link>
      <description><![CDATA[]]></description>
      <category>74LS 系列-中文资料</category>
      <author>SYDZ__顺</author>
      <pubDate>Mon, 05 Sep 2011 04:42:07 +0000</pubDate>
    </item>
    <item>
      <title>74LS123 pdf中文资料</title>
      <link>https://bbs.syyyd.com/forum.php?mod=viewthread&amp;tid=295</link>
      <description><![CDATA[]]></description>
      <category>74LS 系列-中文资料</category>
      <author>SYDZ__顺</author>
      <pubDate>Mon, 05 Sep 2011 04:41:34 +0000</pubDate>
    </item>
    <item>
      <title>74LS55 pdf中文资料</title>
      <link>https://bbs.syyyd.com/forum.php?mod=viewthread&amp;tid=294</link>
      <description><![CDATA[]]></description>
      <category>74LS 系列-中文资料</category>
      <author>SYDZ__顺</author>
      <pubDate>Mon, 05 Sep 2011 04:41:02 +0000</pubDate>
    </item>
    <item>
      <title>74LS670 pdf中文资料</title>
      <link>https://bbs.syyyd.com/forum.php?mod=viewthread&amp;tid=293</link>
      <description><![CDATA[]]></description>
      <category>74LS 系列-中文资料</category>
      <author>SYDZ__顺</author>
      <pubDate>Mon, 05 Sep 2011 04:31:20 +0000</pubDate>
    </item>
    <item>
      <title>74LS426 pdf中文资料</title>
      <link>https://bbs.syyyd.com/forum.php?mod=viewthread&amp;tid=292</link>
      <description><![CDATA[]]></description>
      <category>74LS 系列-中文资料</category>
      <author>SYDZ__顺</author>
      <pubDate>Mon, 05 Sep 2011 04:30:59 +0000</pubDate>
    </item>
    <item>
      <title>74LS425 pdf中文资料</title>
      <link>https://bbs.syyyd.com/forum.php?mod=viewthread&amp;tid=291</link>
      <description><![CDATA[]]></description>
      <category>74LS 系列-中文资料</category>
      <author>SYDZ__顺</author>
      <pubDate>Mon, 05 Sep 2011 04:30:30 +0000</pubDate>
    </item>
    <item>
      <title>74LS395 pdf中文资料</title>
      <link>https://bbs.syyyd.com/forum.php?mod=viewthread&amp;tid=290</link>
      <description><![CDATA[]]></description>
      <category>74LS 系列-中文资料</category>
      <author>SYDZ__顺</author>
      <pubDate>Mon, 05 Sep 2011 04:30:02 +0000</pubDate>
    </item>
    <item>
      <title>74LS393 pdf中文资料</title>
      <link>https://bbs.syyyd.com/forum.php?mod=viewthread&amp;tid=289</link>
      <description><![CDATA[]]></description>
      <category>74LS 系列-中文资料</category>
      <author>SYDZ__顺</author>
      <pubDate>Mon, 05 Sep 2011 04:29:29 +0000</pubDate>
    </item>
    <item>
      <title>74LS381 pdf中文资料</title>
      <link>https://bbs.syyyd.com/forum.php?mod=viewthread&amp;tid=288</link>
      <description><![CDATA[]]></description>
      <category>74LS 系列-中文资料</category>
      <author>SYDZ__顺</author>
      <pubDate>Mon, 05 Sep 2011 04:29:02 +0000</pubDate>
    </item>
    <item>
      <title>74LS377 pdf中文资料</title>
      <link>https://bbs.syyyd.com/forum.php?mod=viewthread&amp;tid=287</link>
      <description><![CDATA[]]></description>
      <category>74LS 系列-中文资料</category>
      <author>SYDZ__顺</author>
      <pubDate>Mon, 05 Sep 2011 04:28:38 +0000</pubDate>
    </item>
    <item>
      <title>74LS375 pdf中文资料</title>
      <link>https://bbs.syyyd.com/forum.php?mod=viewthread&amp;tid=286</link>
      <description><![CDATA[]]></description>
      <category>74LS 系列-中文资料</category>
      <author>SYDZ__顺</author>
      <pubDate>Mon, 05 Sep 2011 04:28:14 +0000</pubDate>
    </item>
    <item>
      <title>74LS374 pdf中文资料</title>
      <link>https://bbs.syyyd.com/forum.php?mod=viewthread&amp;tid=285</link>
      <description><![CDATA[]]></description>
      <category>74LS 系列-中文资料</category>
      <author>SYDZ__顺</author>
      <pubDate>Mon, 05 Sep 2011 04:27:39 +0000</pubDate>
    </item>
    <item>
      <title>74LS373 pdf中文资料</title>
      <link>https://bbs.syyyd.com/forum.php?mod=viewthread&amp;tid=284</link>
      <description><![CDATA[]]></description>
      <category>74LS 系列-中文资料</category>
      <author>SYDZ__顺</author>
      <pubDate>Mon, 05 Sep 2011 04:27:17 +0000</pubDate>
    </item>
    <item>
      <title>74LS368 pdf中文资料</title>
      <link>https://bbs.syyyd.com/forum.php?mod=viewthread&amp;tid=283</link>
      <description><![CDATA[]]></description>
      <category>74LS 系列-中文资料</category>
      <author>SYDZ__顺</author>
      <pubDate>Mon, 05 Sep 2011 04:26:53 +0000</pubDate>
    </item>
    <item>
      <title>74LS367 pdf中文资料</title>
      <link>https://bbs.syyyd.com/forum.php?mod=viewthread&amp;tid=282</link>
      <description><![CDATA[]]></description>
      <category>74LS 系列-中文资料</category>
      <author>SYDZ__顺</author>
      <pubDate>Mon, 05 Sep 2011 04:26:23 +0000</pubDate>
    </item>
  </channel>
</rss>