{"id":92,"date":"2026-03-02T19:22:14","date_gmt":"2026-03-02T10:22:14","guid":{"rendered":"https:\/\/www.ic-koukogaku.com\/?p=92"},"modified":"2026-03-02T19:22:14","modified_gmt":"2026-03-02T10:22:14","slug":"7%e3%82%bb%e3%82%b0%e3%83%87%e3%82%b3%e3%83%bc%e3%83%804-74247-74ls247%e3%81%a8%e6%9d%b1%e8%8a%9d%e3%81%aetd34247ap","status":"publish","type":"post","link":"https:\/\/www.ic-koukogaku.com\/?p=92","title":{"rendered":"7\u30bb\u30b0\u30c7\u30b3\u30fc\u30c0(4) 74247\/74LS247\u3068\u6771\u829d\u306eTD34247AP"},"content":{"rendered":"\n<p>7\u30bb\u30b0\u30c7\u30b3\u30fc\u30c0 IC 74247 \u306f\u3001\u5f8c\u304b\u3089\u767a\u58f2\u3055\u308c\u305f\u300c\u9375\u4ed8\u304d\u300d\u7248\u306e 7447 \u3067\u3059\u30027447 \u3068\u6bd4\u8f03\u3057\u3066\u5b57\u5f62\u304c\u81ea\u7136\u306a\u306e\u3067\u3001\u3053\u3061\u3089\u306e\u65b9\u304c\u4eba\u6c17\u304c\u3042\u308a\u307e\u3059\u3002\u6d88\u8cbb\u96fb\u529b\u306e\u5c0f\u3055\u3044 LS \u7248\u306e 74LS247 \u306f\u6bd4\u8f03\u7684\u898b\u304b\u3051\u308b\u6a5f\u4f1a\u304c\u591a\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">74247 \u7cfb\u306e\u30d4\u30f3\u914d\u7f6e<\/h3>\n\n\n\n<p>&#8211;> <a href=\"https:\/\/www.ic-koukogaku.com\/?p=52\" data-type=\"post\" data-id=\"52\">7447 <\/a>\u3068\u540c\u3058<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"240\" src=\"https:\/\/www.ic-koukogaku.com\/wp-content\/uploads\/2026\/03\/image.png\" alt=\"\" class=\"wp-image-94\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">74247 \u306e\u30d5\u30a9\u30f3\u30c8<\/h3>\n\n\n\n<p>74247 \u306f &#8220;6&#8221;, &#8220;9&#8221; 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