{"id":107,"date":"2026-03-09T11:53:28","date_gmt":"2026-03-09T02:53:28","guid":{"rendered":"https:\/\/www.ic-koukogaku.com\/?p=107"},"modified":"2026-03-09T11:53:28","modified_gmt":"2026-03-09T02:53:28","slug":"7%e3%82%bb%e3%82%b0%e3%83%87%e3%82%b3%e3%83%bc%e3%83%805-d146d346d347hfo-74ls247n","status":"publish","type":"post","link":"https:\/\/www.ic-koukogaku.com\/?p=107","title":{"rendered":"7\u30bb\u30b0\u30c7\u30b3\u30fc\u30c0(5) D146,D346,D347,HFO 74LS247N"},"content":{"rendered":"\n<p>\u5171\u7523\u570f\u3060\u3063\u305f\u65e7\u6771\u30c9\u30a4\u30c4\u306f\u30aa\u30fc\u30c0\u30fc\u3084\u30c9\u30ec\u30b9\u30c7\u30f3\u306b\u3042\u308b\u5de5\u5834\u3067 TTL IC \u3092\u88fd\u9020\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u305d\u306e\u591a\u304f\u306f\u897f\u5074\u3067\u88fd\u9020\u3055\u308c\u305f IC \u306e\u4e92\u63db\u54c1\u3067\u3057\u305f\u3002\u305f\u3068\u3048\u3070\u30b9\u30bf\u30f3\u30c0\u30fc\u30c9 TTL \u306e D1xx \u306f SN74xx \u306b\u5bfe\u5fdc\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u30017\u30bb\u30b0\u30c7\u30b3\u30fc\u30c0 IC \u306f\u300c\u30ed\u30fc\u30ab\u30e9\u30a4\u30ba\u300d\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u3053\u3053\u3067\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/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-8.png\" alt=\"\" class=\"wp-image-109\"\/><\/figure>\n\n\n\n<p> \uff087447\u7cfb\u306e\u30d4\u30f3\u30a2\u30b5\u30a4\u30f3\uff09<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">D146C<\/h3>\n\n\n\n<p>D146\/D147 \u306f\u578b\u756a\u898f\u5247\u306b\u5f93\u3048\u3070 7446\/7447 \u306b\u306a\u308a\u307e\u3059\u3002\u5b9f\u969b ebay \u306a\u3069\u3067\u306f SN7447AN \u4e92\u63db\u54c1\u3068\u3057\u3066\u58f2\u3089\u308c\u3066\u3044\u307e\u3059\u304c\u3001<strong>\u5b9f\u306f 74246\/74247 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srcset=\"https:\/\/www.ic-koukogaku.com\/wp-content\/uploads\/2026\/03\/D146C.avi.webp 320w, https:\/\/www.ic-koukogaku.com\/wp-content\/uploads\/2026\/03\/D146C.avi-150x300.webp 150w\" sizes=\"auto, (max-width: 320px) 100vw, 320px\" \/><\/figure>\n\n\n\n<p>\u30c9\u30ec\u30b9\u30c7\u30f3\u306e\u5de5\u5834\u3067\u88fd\u9020\u3055\u308c\u305f D146C \u3092\u52d5\u304b\u3057\u3066\u307f\u307e\u3057\u305f\u304c\u300174247 \u3068\u540c\u69d8\u3001\u6570\u5b57\u306e6,9 \u304c\u9375\u3064\u304d\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002A-F \u306e\u30c7\u30b3\u30fc\u30c9\u306f 7447 \u3068\u540c\u3058\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">HFO D346D<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"557\" height=\"265\" src=\"https:\/\/www.ic-koukogaku.com\/wp-content\/uploads\/2026\/03\/image-10.png\" alt=\"\" class=\"wp-image-112\" srcset=\"https:\/\/www.ic-koukogaku.com\/wp-content\/uploads\/2026\/03\/image-10.png 557w, https:\/\/www.ic-koukogaku.com\/wp-content\/uploads\/2026\/03\/image-10-300x143.png 300w\" sizes=\"auto, (max-width: 557px) 100vw, 557px\" \/><\/figure>\n\n\n\n<p>\u554f\u984c\u306f D346\/D347 \u3067\u3001\u578b\u756a\u898f\u5247\u306b\u5f93\u3048\u3070 SN74246 \/ SN74247 \u306e\u4e92\u63db\u54c1\u306b\u306a\u308b\u306f\u305a\u3067\u3059\u304c\u3001\u5b9f\u969b\u306e\u30c7\u30b3\u30fc\u30c9\u306f\u7570\u306a\u308a\u307e\u3059\u3002D346D \u306f 16 \u9032 &#8211; 7 \u30bb\u30b0\u30e1\u30f3\u30c8\u30c7\u30b3\u30fc\u30c0 IC \u3067\u3001<strong>\u6570\u5b57\u306b\u52a0\u3048\u3066 A-F \u306e\u82f1\u5b57<\/strong>\u304c\u8868\u793a\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001<strong>6,7,9 \u304c\u9375\u4ed8\u304d<\/strong>\u306e\u8868\u793a\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u8868\u793a\u306f\u4e09\u83f1 M54405P 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loading=\"lazy\" decoding=\"async\" width=\"320\" height=\"640\" src=\"https:\/\/www.ic-koukogaku.com\/wp-content\/uploads\/2026\/03\/D346D.avi.webp\" alt=\"\" class=\"wp-image-115\" srcset=\"https:\/\/www.ic-koukogaku.com\/wp-content\/uploads\/2026\/03\/D346D.avi.webp 320w, https:\/\/www.ic-koukogaku.com\/wp-content\/uploads\/2026\/03\/D346D.avi-150x300.webp 150w\" sizes=\"auto, (max-width: 320px) 100vw, 320px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">HFO D347D<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"569\" height=\"287\" src=\"https:\/\/www.ic-koukogaku.com\/wp-content\/uploads\/2026\/03\/image-12.png\" alt=\"\" class=\"wp-image-116\" srcset=\"https:\/\/www.ic-koukogaku.com\/wp-content\/uploads\/2026\/03\/image-12.png 569w, https:\/\/www.ic-koukogaku.com\/wp-content\/uploads\/2026\/03\/image-12-300x150.png 300w\" sizes=\"auto, (max-width: 569px) 100vw, 569px\" \/><\/figure>\n\n\n\n<p>D347D \u306f 10 \u9032 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74LS247N<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"555\" height=\"280\" src=\"https:\/\/www.ic-koukogaku.com\/wp-content\/uploads\/2026\/03\/image-14.png\" alt=\"\" class=\"wp-image-119\" srcset=\"https:\/\/www.ic-koukogaku.com\/wp-content\/uploads\/2026\/03\/image-14.png 555w, https:\/\/www.ic-koukogaku.com\/wp-content\/uploads\/2026\/03\/image-14-300x150.png 300w\" sizes=\"auto, (max-width: 555px) 100vw, 555px\" \/><\/figure>\n\n\n\n<p>1989 \u5e74\u306b\u30d9\u30eb\u30ea\u30f3\u306e\u58c1\u304c\u5d29\u58ca\u3059\u308b\u3068\u3001HFO 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https:\/\/www.ic-koukogaku.com\/wp-content\/uploads\/2026\/03\/HFO_74LS247N.avi-150x300.webp 150w\" sizes=\"auto, (max-width: 320px) 100vw, 320px\" \/><\/figure>\n\n\n\n<p>\u5b9f\u969b\u306b\u52d5\u304b\u3057\u3066\u307f\u308b\u3068\u3001\u8868\u793a\u306f 74LS247 \u306e\u3082\u306e\u3067\u306f\u306a\u304f\u3001D347D \u3068\u540c\u3058\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u5b9f\u969b\u306e\u3068\u3053\u308d\u3001\u30aa\u30ea\u30b8\u30ca\u30eb\u306e 74LS247 \u3088\u308a\u3082\u3053\u306e 74LS247 \u306e\u30c7\u30b3\u30fc\u30c9\u306e\u65b9\u304c\u4f7f\u3044\u52dd\u624b\u304c\u826f\u3044\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5171\u7523\u570f\u3060\u3063\u305f\u65e7\u6771\u30c9\u30a4\u30c4\u306f\u30aa\u30fc\u30c0\u30fc\u3084\u30c9\u30ec\u30b9\u30c7\u30f3\u306b\u3042\u308b\u5de5\u5834\u3067 T 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