{"id":2280,"date":"2024-08-10T12:41:52","date_gmt":"2024-08-10T12:41:52","guid":{"rendered":"https:\/\/tryvary.com\/?p=2280"},"modified":"2024-08-10T12:41:52","modified_gmt":"2024-08-10T12:41:52","slug":"pcb-testability-design-guidelines-and-rules","status":"publish","type":"post","link":"https:\/\/tryvary.com\/ko\/pcb-\ud14c\uc2a4\ud2b8-\uac00\ub2a5\uc131-\uc124\uacc4-\uc9c0\uce68-\ubc0f-\uaddc\uce59\/","title":{"rendered":"\ud14c\uc2a4\ud2b8 \uac00\ub2a5\uc131\uc744 \uc704\ud55c \ub514\uc790\uc778: \ud544\uc218 \uac00\uc774\ub4dc\ub77c\uc778 \ubc0f \uaddc\uce59"},"content":{"rendered":"<p>\ud14c\uc2a4\ud2b8 \uac00\ub2a5\uc131\uc744 \uc704\ud55c \uc124\uacc4(DFT)\ub294 \ud6a8\uc728\uc131\uc744 \ucd09\uc9c4\ud558\ub294 \uc911\uc694\ud55c \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ubd84\uc57c\uc785\ub2c8\ub2e4. <strong>\uacb0\ud568 \uac10\uc9c0 \ubc0f \uaca9\ub9ac<\/strong> \uc778\uc1c4 \ud68c\ub85c \uae30\ud310(PCB)\uc5d0\uc11c. \ud6a8\uacfc\uc801\uc778 DFT\uc5d0\ub294 \uc804\ub7b5\uc801 \uace0\ub824 \uc0ac\ud56d\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. <strong>\ud14c\uc2a4\ud2b8 \ud504\ub85c\uc138\uc2a4<\/strong>, \ud14c\uc2a4\ud2b8 \ud3ec\uc778\ud2b8\ub97c \ud6a8\uacfc\uc801\uc73c\ub85c \ubc30\uce58\ud558\uace0, \ud074\ub9ac\uc5b4\ub7f0\uc2a4 \uc694\uad6c \uc0ac\ud56d\uc744 \uc900\uc218\ud569\ub2c8\ub2e4. \ub610\ud55c \uc62c\ubc14\ub978 \uac83\uc744 \uc120\ud0dd\ud558\ub294 \uac83\ub3c4 \ud3ec\ud568\ub429\ub2c8\ub2e4. <strong>\ud14c\uc2a4\ud2b8 \ubc29\ubc95<\/strong>, ICT \ub610\ub294 \ube44\ud589 \ud504\ub85c\ube0c\uc640 \uac19\uc740 \ub2e4\uc74c <strong>\ubaa8\ubc94 \uc0ac\ub840<\/strong> DFM \ubc0f DFT\uc758 \uacbd\uc6b0. \ud544\uc218 \uc9c0\uce68\uacfc \uaddc\uce59\uc744 \uc900\uc218\ud568\uc73c\ub85c\uc368 \uc124\uacc4\uc790\ub294 \ucca0\uc800\ud55c \ud14c\uc2a4\ud2b8 \ubc94\uc704, \uc624\ub958 \uaca9\ub9ac \ubc0f \uac10\uc18c\ub41c \uc81c\uc870 \uc624\ub958\uc640 \ube44\uc6a9\uc744 \ubcf4\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. DFT\uc758 \ubcf5\uc7a1\uc131\uc744 \ud0d0\uad6c\ud558\uba74\uc11c \uc2e0\uc911\ud55c \uacc4\ud68d\uacfc \uc2e4\ud589\uc758 \uc911\uc694\uc131\uc774 \uc810\uc810 \ub354 \ubd84\uba85\ud574\uc9c0\uace0 \uc774 \ubcf5\uc7a1\ud55c \ubd84\uc57c\uc758 \ubbf8\ubb18\ud55c \ub258\uc559\uc2a4\uac00 \ub4dc\ub7ec\ub0a9\ub2c8\ub2e4.<\/p>\n<h2>\uc8fc\uc694 \uc2dc\uc0ac\uc810<\/h2>\n<ul>\n<li>\ud6a8\uc728\uc801\uc778 \uc624\ub958 \uac10\uc9c0 \ubc0f \uaca9\ub9ac\ub97c \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \ud14c\uc2a4\ud2b8 \ud3ec\uc778\ud2b8 \uc124\uacc4\uc5d0 \ub300\ud55c \uae30\ubcf8 DFT \uaddc\uce59\uc744 \uc900\uc218\ud569\ub2c8\ub2e4.<\/li>\n<li>\ud14c\uc2a4\ud2b8 \uc9c0\uc810\uc744 \uc704\ud574 \uad6c\uc131 \uc694\uc18c\uc640 \ud2b8\ub808\uc774\uc2a4 \uc0ac\uc774\uc5d0 \ucd5c\uc18c 50mil\uc758 \uc5ec\uc720 \uacf5\uac04\uc744 \ud655\ubcf4\ud558\uace0, \ubcf4\ub4dc \uac00\uc7a5\uc790\ub9ac\uc640 100mil\uc758 \uc5ec\uc720 \uacf5\uac04\uc744 \ud655\ubcf4\ud558\uc138\uc694.<\/li>\n<li>\ucca0\uc800\ud55c \ud14c\uc2a4\ud2b8\ub97c \uc704\ud574 \ub124\ud2b8\uc6cc\ud06c\ubcc4 \ud14c\uc2a4\ud2b8 \ud3ec\uc778\ud2b8\ub97c \uc124\uacc4\ud558\uace0, \uc591\ucabd PCB \uce21\uba74\uc5d0\uc11c \ub3d9\uc2dc ICT \ud14c\uc2a4\ud2b8\ub97c \uc704\ud574 \uc870\uc815\ud569\ub2c8\ub2e4.<\/li>\n<li>\ud14c\uc2a4\ud2b8 \ud3ec\uc778\ud2b8\ub97c \uc801\uc808\ud558\uac8c \ubc30\uce58\ud558\uba74 \ud14c\uc2a4\ud2b8 \ubc94\uc704\uc640 \uc2e0\ud638 \ubb34\uacb0\uc131\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uccd0, \uc911\uc694 \ub178\ub4dc\uc640 \uc2e0\ud638\uc5d0 \uc811\uadfc\ud558\uc5ec \ud14c\uc2a4\ud2b8\ub97c \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li>DFT\ub294 \ud6a8\uc728\uc801\uc778 \uacb0\ud568 \uac10\uc9c0 \ubc0f \uaca9\ub9ac\ub97c \uac00\ub2a5\ud558\uac8c \ud558\uc5ec \uc81c\uc870 \uc624\ub958\uc640 \ube44\uc6a9\uc744 \uc904\uc774\uace0 \uc815\ud655\ud55c \uacb0\ud568 \uc9c4\ub2e8\uc744 \uc6a9\uc774\ud558\uac8c \ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>PCB \ud14c\uc2a4\ud2b8 \uac00\ub2a5\uc131 \uc124\uacc4 \uc9c0\uce68<\/h2>\n<div class=\"embed-youtube\" style=\"position: relative; width: 100%; height: 0; padding-bottom: 56.25%; margin-bottom:20px;\"><iframe style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%;\" src=\"https:\/\/www.youtube.com\/embed\/Z9nycymUd-I\" title=\"\uc720\ud29c\ube0c \ube44\ub514\uc624 \ud50c\ub808\uc774\uc5b4\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><\/div>\n<p>\ud6a8\uc728\uc801\uc778 \ud14c\uc2a4\ud2b8 \ud504\ub85c\uc138\uc2a4\ub97c \uc704\ud574 \ub514\uc790\uc778 \ub808\uc774\uc544\uc6c3 \ucd5c\uc801\ud654 <strong>PCB \ud14c\uc2a4\ud2b8 \uac00\ub2a5\uc131 \uac00\uc774\ub4dc\ub77c\uc778<\/strong> \uc138\ud2b8\ub97c \uc81c\uacf5\ud558\ub2e4 <strong>\uc804\ub7b5\uc801 \uace0\ub824 \uc0ac\ud56d<\/strong> \ucca0\uc800\ud55c \ud14c\uc2a4\ud2b8 \ubc94\uc704\uc640 \ube44\uc6a9 \ud6a8\uc728\uc801\uc778 \uc81c\uc870\ub97c \ubcf4\uc7a5\ud558\uae30 \uc704\ud574. \uc774\ub7ec\ud55c \uc9c0\uce68\uc740 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. <strong>\ud14c\uc2a4\ud2b8 \uac00\ub2a5\uc131\uc744 \uc704\ud55c \ub514\uc790\uc778<\/strong>, \uc804\ub7b5\uc801\uc73c\ub85c \ubc30\uce58\ud558\ub294 \ub370 \uc911\uc810\uc744 \ub461\ub2c8\ub2e4. <strong>\ud14c\uc2a4\ud2b8 \ud3ec\uc778\ud2b8<\/strong>, \ud074\ub9ac\uc5b4\ub7f0\uc2a4 \uc694\uad6c \uc0ac\ud56d\uc744 \uace0\ub824\ud558\uace0 \uacc4\uc57d \uc81c\uc870\uc5c5\uccb4(CM) \uad8c\uc7a5 \uc0ac\ud56d\uc744 \uc900\uc218\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc9c0\uce68\uc744 \ub530\ub974\uba74 \uc124\uacc4\uc790\ub294 \uc778\uc1c4 \ud68c\ub85c \uae30\ud310(PCB)\uc758 \ud14c\uc2a4\ud2b8 \uc9c0\uc810\uc5d0 \uc27d\uac8c \uc811\uadfc\ud560 \uc218 \uc788\ub3c4\ub85d \ud558\uc5ec \uc791\uc5c5\uc744 \uc6a9\uc774\ud558\uac8c \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <strong>\ucca0\uc800\ud55c \ud14c\uc2a4\ud2b8 \ucee4\ubc84\ub9ac\uc9c0<\/strong> \uadf8\ub9ac\uace0 <strong>\uacb0\ud568 \uaca9\ub9ac<\/strong>.<\/p>\n<p>\ud14c\uc2a4\ud2b8 \uac00\ub2a5\uc131\uc744 \uc704\ud55c \ud6a8\uacfc\uc801\uc778 PCB \uc124\uacc4\uc5d0\ub294 \ub2e4\uc591\ud55c \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud6a8\uc728\uc801\uc778 \ud14c\uc2a4\ud2b8\ub97c \uc218\ud589\ud560 \uc218 \uc788\ub294 \uc704\uce58\uc5d0 \ud14c\uc2a4\ud2b8 \ud3ec\uc778\ud2b8\ub97c \ubc30\uce58\ud558\ub294 \uac83\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. <strong>\ud14c\uc2a4\ud2b8 \ubc29\ubc95<\/strong>. \uc774\ub97c \ud1b5\ud574 \ud14c\uc2a4\ud2b8 \ud504\ub85c\uc138\uc2a4\uac00 \uac04\uc18c\ud654\ub418\uc5b4 \uc804\uccb4 \uc0dd\uc0b0 \uc2dc\uac04\uacfc \ube44\uc6a9\uc774 \uc904\uc5b4\ub4ed\ub2c8\ub2e4. \ub610\ud55c \ud14c\uc2a4\ud2b8 \uac00\ub2a5\uc131 \uc9c0\uce68\uc744 \uc900\uc218\ud558\uba74 \uc81c\ud488 \ud488\uc9c8\uc774 \ud5a5\uc0c1\ub418\uace0 \uc7ac\uc791\uc5c5\uc774 \uc904\uc5b4\ub4e4\uba70 \uac00\uc18d\ud654\ub429\ub2c8\ub2e4. <strong>PCB \uc870\ub9bd\ud488\uc758 \ucd9c\uc2dc \uc2dc\uae30<\/strong>. \uc774\ub7ec\ud55c \uac00\uc774\ub4dc\ub77c\uc778\uc744 \uc124\uacc4 \ud504\ub85c\uc138\uc2a4\uc5d0 \ud1b5\ud569\ud568\uc73c\ub85c\uc368 \uc124\uacc4\uc790\ub294 \ud604\ub300 \uc81c\uc870\uc758 \uc694\uad6c \uc0ac\ud56d\uc744 \ucda9\uc871\ud558\ub294 \uacac\uace0\ud558\uace0 \uc548\uc815\uc801\uc778 PCB \uc124\uacc4\ub97c \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>ICT \ud14c\uc2a4\ud2b8 \ubc0f \ube44\ud589 \ud504\ub85c\ube0c<\/h2>\n<div class=\"body-image-wrapper\" style=\"margin-bottom:20px;\"><img decoding=\"async\" width=\"1006\" height=\"575\" src=\"https:\/\/tryvary.com\/wp-content\/uploads\/2024\/05\/testing_with_ict_equipment.jpg\" alt=\"ICT\uc7a5\ube44\ub85c \ud14c\uc2a4\ud2b8\" style=\"aspect-ratio: 16\/9;\"><\/div>\n<p>\uc778\uc1c4 \ud68c\ub85c \uae30\ud310(PCB) \ud14c\uc2a4\ud2b8 \ubd84\uc57c\uc5d0\uc11c\ub294 \ub450 \uac00\uc9c0 \ud0c1\uc6d4\ud55c \ubc29\ubc95\uc774 \ub4f1\uc7a5\ud588\uc2b5\ub2c8\ub2e4. \uc778\uc11c\ud0b7 \ud14c\uc2a4\ud2b8(ICT)\uc640 \ud50c\ub77c\uc789 \ud504\ub85c\ube0c(Flying Probe)\uc785\ub2c8\ub2e4. \uac01\uac01\uc740 \uc11c\ub85c \ub2e4\ub978 \uc0dd\uc0b0\ub7c9\uacfc \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub9de\uac8c \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<p>ICT \ud14c\uc2a4\ud2b8\ub294 \ub300\ub7c9 \uc0dd\uc0b0\uc5d0 \uc774\uc0c1\uc801\uc774\uba70, \ub192\uc740 \ucc98\ub9ac\ub7c9 \uae30\ub2a5\uacfc \ucca0\uc800\ud55c \ud14c\uc2a4\ud2b8 \ubc94\uc704\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \ub2e8\ub77d, \ub204\ub77d\ub41c \uad6c\uc131 \uc694\uc18c \ubc0f \uc798\ubabb\ub41c \ubc30\uce58\uc640 \uac19\uc740 \uc624\ub958\ub97c \uac10\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. ICT \uc2dc\uc2a4\ud15c\uc740 \ubcf5\uc7a1\uc131\uc5d0 \ub530\ub77c \uace0\uc815 \uc7a5\uce58 \uac1c\ubc1c\uc774 \ud544\uc694\ud558\uba70, \uc774\ub294 \uc2dc\uac04\uc774 \ub9ce\uc774 \uac78\ub9b4 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc804\uc6d0\uc744 \uacf5\uae09\ud558\uc5ec \uc544\ub0a0\ub85c\uadf8\/\ub514\uc9c0\ud138 \ud68c\ub85c\uc758 \uae30\ub2a5\uc744 \ud14c\uc2a4\ud2b8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ubc18\uba74, \ud50c\ub77c\uc789 \ud504\ub85c\ube0c \ud14c\uc2a4\ud2b8\ub294 \ub2e4\uc591\ud55c \ubcf4\ub4dc \ud06c\uae30\ub97c \ud14c\uc2a4\ud2b8\ud558\ub294 \ub370 \uc788\uc5b4 \uc720\uc5f0\uc131\uc774 \ub6f0\uc5b4\ub098 \ud504\ub85c\ud1a0\ud0c0\uc785\uacfc \uc18c\ub7c9 \uc0dd\uc0b0\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. \ucd5c\uc18c\ud55c\uc758 \uace0\uc815 \uc7a5\uce58 \uc694\uad6c \uc0ac\ud56d\uc774 \uc788\uc5b4 \ube44\uc6a9 \ud6a8\uc728\uc801\uc778 \uc635\uc158\uc785\ub2c8\ub2e4. \ud50c\ub77c\uc789 \ud504\ub85c\ube0c \ud14c\uc2a4\ud2b8\ub294 ICT \ud14c\uc2a4\ud2b8\ubcf4\ub2e4 \ub290\ub9ac\uc9c0\ub9cc \uc18c\uaddc\ubaa8\uc5d0\uc11c \uc911\uaddc\ubaa8 \uc0dd\uc0b0 \uc2e4\ud589\uc5d0 \ud6a8\uc728\uc801\uc778 \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: center\"><strong>\ubc29\ubc95<\/strong><\/th>\n<th style=\"text-align: center\"><strong>\uc0dd\uc0b0\ub7c9<\/strong><\/th>\n<th style=\"text-align: center\"><strong>\uace0\uc815\ubb3c \uc694\uad6c \uc0ac\ud56d<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: center\">\uc815\ubcf4\ud1b5\uc2e0\uae30\uc220<\/td>\n<td style=\"text-align: center\">\ub300\ub7c9<\/td>\n<td style=\"text-align: center\">\ubcf5\uc7a1\ud55c \uace0\uc815\ubb3c \uac1c\ubc1c<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center\">\ube44\ud589 \ud504\ub85c\ube0c<\/td>\n<td style=\"text-align: center\">\uc18c\ub7c9\/\ud504\ub85c\ud1a0\ud0c0\uc785<\/td>\n<td style=\"text-align: center\">\ucd5c\uc18c \uace0\uc815 \uc7a5\uce58 \uc694\uad6c \uc0ac\ud56d<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center\">\uc815\ubcf4\ud1b5\uc2e0\uae30\uc220<\/td>\n<td style=\"text-align: center\">\uace0\uc131\ub2a5 \ud14c\uc2a4\ud2b8<\/td>\n<td style=\"text-align: center\">\ucca0\uc800\ud55c \ud14c\uc2a4\ud2b8 \ubc94\uc704<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\ud14c\uc2a4\ud2b8 \uac00\ub2a5\uc131\uc744 \uc704\ud574 \uc124\uacc4\ud560 \ub54c(DFT), \uc0dd\uc0b0\ub7c9\uacfc \uc694\uad6c \uc0ac\ud56d\uc744 \uace0\ub824\ud558\ub294 \uac83\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. DFT \uac00\uc774\ub4dc\ub77c\uc778\uc744 \ub530\ub974\uba74 \uacc4\uc57d \uc81c\uc870\uc5c5\uccb4(CM)\ub294 \ud6a8\uacfc\uc801\uc778 \ud14c\uc2a4\ud2b8\ub97c \ubcf4\uc7a5\ud558\uace0 \uc0dd\uc0b0 \ube44\uc6a9\uc744 \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud14c\uc2a4\ud2b8 \uc9c0\uc810\uc740 \uc120\ud0dd\ud55c \ud14c\uc2a4\ud2b8 \ubc29\ubc95\uc744 \uc218\uc6a9\ud558\ub3c4\ub85d \uc2e0\uc911\ud558\uac8c \uacc4\ud68d\ud574\uc57c \uc6d0\ud65c\ud55c \ud1b5\ud569\uacfc \ud6a8\uc728\uc801\uc778 \ud14c\uc2a4\ud2b8 \ud504\ub85c\uc138\uc2a4\ub97c \ubcf4\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>DFM \ubc0f DFT \ubaa8\ubc94 \uc0ac\ub840<\/h2>\n<div class=\"body-image-wrapper\" style=\"margin-bottom:20px;\"><img decoding=\"async\" width=\"1006\" height=\"575\" src=\"https:\/\/tryvary.com\/wp-content\/uploads\/2024\/05\/design_for_manufacturability_and_design_for_testability.jpg\" alt=\"\uc81c\uc870\uac00\ub2a5\uc131\uc744 \uc704\ud55c \uc124\uacc4 \ubc0f \ud14c\uc2a4\ud2b8\uac00\ub2a5\uc131\uc744 \uc704\ud55c \uc124\uacc4\" style=\"aspect-ratio: 16\/9;\"><\/div>\n<p>\uacc4\uc57d \uc81c\uc870\uc5c5\uccb4\ub294 \ud14c\uc2a4\ud2b8 \uac00\ub2a5\uc131\uc744 \ubcf4\uc7a5\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. <strong>DFM \ubc0f DFT \uac00\uc774\ub4dc\ub77c\uc778<\/strong>. \uc774\ub7ec\ud55c \uc9c0\uce68\uc744 \ub530\ub974\uba74 \ub2e4\uc74c\uacfc \uac19\uc740 \uc791\uc5c5\uc774 \uc6a9\uc774\ud574\uc9d1\ub2c8\ub2e4. <strong>\ud6a8\uc728\uc801\uc778 \ud14c\uc2a4\ud2b8 \ud504\ub85c\uc138\uc2a4<\/strong> \uadf8\ub9ac\uace0 \uc0dd\uc0b0 \ube44\uc6a9\uc744 \uc808\uac10\ud569\ub2c8\ub2e4. \uc778\uc1c4 \ud68c\ub85c \uae30\ud310(PCB)\uc758 \ucd5c\uc0c1\uc758 \uc124\uacc4 \ubc0f \ud14c\uc2a4\ud2b8\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n<p>\uacc4\uc57d \uc81c\uc870\uc5c5\uccb4\uc758 \uac00\uc774\ub4dc\ub77c\uc778\uc744 \uac80\ud1a0\ud568\uc73c\ub85c\uc368 \uc81c\uc870\uc5c5\uccb4\ub294 \ud14c\uc2a4\ud2b8 \uac00\ub2a5\uc131\uc744 \ubcf4\uc7a5\ud558\ub294 \ub370 \uc788\uc5b4 \uc804\ubb38\uc131\uacfc \uc5ed\ub7c9\uc744 \ud3c9\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. DFT \uac00\uc774\ub4dc\ub77c\uc778\uc740 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. <strong>\ucd08\uae30 \ub808\uc774\uc544\uc6c3 \uacc4\ud68d<\/strong> \ud6a8\uc728\uc801\uc778 \ud14c\uc2a4\ud2b8 \ud504\ub85c\uc138\uc2a4\ub97c \uc6a9\uc774\ud558\uac8c \ud558\uae30 \uc704\ud574. \ud2b9\uc815 \uc0ac\ud56d\uc744 \ub17c\uc758\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. <strong>\ud14c\uc2a4\ud2b8 \ud3ec\uc778\ud2b8 \uc694\uad6c \uc0ac\ud56d<\/strong> \ucca0\uc800\ud55c \ud14c\uc2a4\ud2b8 \ubc94\uc704\ub97c \uc704\ud574 \uc9c0\uc2dd\uc774 \ud48d\ubd80\ud55c \ud14c\uc2a4\ud2b8 \uc5d4\uc9c0\ub2c8\uc5b4\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<p>\uad6c\ud604 <strong>DFT \ubaa8\ubc94 \uc0ac\ub840<\/strong> \uc131\uacf5\uc801\uc778 \uc81c\ud488 \uc81c\uc870\ub97c \uc704\ud55c \ucd5c\uc0c1\uc758 \uacc4\uc57d \uc81c\uc870\uc5c5\uccb4\ub97c \uc120\ud0dd\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. \ucda9\ubd84\ud55c \ud14c\uc2a4\ud2b8 \ud328\ub4dc\uc640 \uc27d\uac8c \uc811\uadfc\ud560 \uc218 \uc788\ub294 \uc194\ub354 \uc870\uc778\ud2b8\uac00 \uc788\ub294 \uc798 \uc124\uacc4\ub41c \ud68c\ub85c\ub294 \ud6a8\uc728\uc801\uc778 \ud14c\uc2a4\ud2b8\ub97c \uac00\ub2a5\ud558\uac8c \ud558\uace0 \ube44\uc6a9\uc774 \ub9ce\uc774 \ub4dc\ub294 \uc7ac\uc791\uc5c5\uc758 \ud544\uc694\uc131\uc744 \uc904\uc5ec\uc90d\ub2c8\ub2e4. <strong>\uc2dc\uac01 \uac80\uc0ac<\/strong> \ub610\ud55c \uacb0\ud568\uc774 \uc870\uae30\uc5d0 \uc2dd\ubcc4\ub418\ub3c4\ub85d \ubcf4\uc7a5\ud558\uc5ec \uc6a9\uc774\ud574\uc9d1\ub2c8\ub2e4. <strong>\uc0dd\uc0b0 \uacfc\uc815<\/strong>.<\/p>\n<h2>\ud14c\uc2a4\ud2b8 \uac00\ub2a5\uc131\uc744 \uc704\ud55c PCB \uc124\uacc4<\/h2>\n<div class=\"body-image-wrapper\" style=\"margin-bottom:20px;\"><img decoding=\"async\" width=\"1006\" height=\"575\" src=\"https:\/\/tryvary.com\/wp-content\/uploads\/2024\/05\/optimizing_pcb_test_processes.jpg\" alt=\"PCB \ud14c\uc2a4\ud2b8 \ud504\ub85c\uc138\uc2a4 \ucd5c\uc801\ud654\" style=\"aspect-ratio: 16\/9;\"><\/div>\n<p>\uc804\ub7b5\uc801\uc73c\ub85c \ud1b5\ud569\ud558\uc5ec <strong>\ud14c\uc2a4\ud2b8 \ud3ec\uc778\ud2b8<\/strong> \ub808\uc774\uc544\uc6c3\uc5d0 PCB Design for Testability(DFT)\ub97c \ub3c4\uc785\ud558\uba74 \ud6a8\uc728\uc801\uc778 <strong>\uacb0\ud568 \uac10\uc9c0 \ubc0f \uaca9\ub9ac<\/strong> \ud14c\uc2a4\ud2b8\ud558\ub294 \ub3d9\uc548, \uc774\ub97c \uc904\uc5ec\uc11c <strong>\uc81c\uc870 \uc624\ub958 \ubc0f \ube44\uc6a9<\/strong>. \uc774 \uc811\uadfc \ubc29\uc2dd\uc740 \ud14c\uc2a4\ud2b8 \ud504\ub85c\ube0c\uac00 \uc911\uc694\ud55c \ub178\ub4dc\uc640 \uc2e0\ud638\uc5d0 \uc561\uc138\uc2a4\ud560 \uc218 \uc788\uc74c\uc744 \ubcf4\uc7a5\ud558\uc5ec \uc815\ud655\ud55c \uc624\ub958 \uac10\uc9c0 \ubc0f \uc9c4\ub2e8\uc744 \uc6a9\uc774\ud558\uac8c \ud569\ub2c8\ub2e4.<\/p>\n<p>\ud14c\uc2a4\ud2b8 \ud3ec\uc778\ud2b8\uc758 \uc801\uc808\ud55c \ubc30\uce58\ub294 \ud14c\uc2a4\ud2b8 \uacb0\uacfc\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce58\ubbc0\ub85c \ud544\uc218\uc801\uc785\ub2c8\ub2e4. <strong>\ud14c\uc2a4\ud2b8 \ubc94\uc704 \ubc0f \uc2e0\ud638 \ubb34\uacb0\uc131<\/strong>. \uc798 \uc124\uacc4\ub41c \ud14c\uc2a4\ud2b8 \ud3ec\uc778\ud2b8\ub294 \ud6a8\uc728\uc801\uc778 \ud14c\uc2a4\ud2b8\ub97c \uac00\ub2a5\ud558\uac8c \ud558\uc5ec \uc81c\uc870 \uc624\ub958 \ubc0f \uad00\ub828 \ube44\uc6a9\uc758 \uac00\ub2a5\uc131\uc744 \uc904\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n<p>PCB \uc124\uacc4\uc5d0\uc11c DFT \uc6d0\ub9ac\ub294 \ud14c\uc2a4\ud2b8 \ucee4\ubc84\ub9ac\uc9c0\ub97c \ucd5c\uc801\ud654\ud558\uae30 \uc704\ud574 \ud14c\uc2a4\ud2b8 \ud3ec\uc778\ud2b8 \ubc30\uce58\ub97c \uc548\ub0b4\ud558\uc5ec \ubaa8\ub4e0 \uc911\uc694 \uad6c\uc131 \uc694\uc18c\uc640 \uc2e0\ud638\uac00 \ud14c\uc2a4\ud2b8\uc5d0 \uc561\uc138\uc2a4 \uac00\ub2a5\ud558\ub3c4\ub85d \ud569\ub2c8\ub2e4. \ud14c\uc2a4\ud2b8 \uac00\ub2a5\uc131\uc5d0 \ub300\ud55c \uc774\ub7ec\ud55c \uc804\uccb4\uc801\uc778 \uc811\uadfc \ubc29\uc2dd\uc740 \uc81c\uc870 \uacf5\uc815 \ucd08\uae30\uc5d0 \uacb0\ud568\uc744 \uac10\uc9c0\ud558\uc5ec \uacb0\ud568 \uac00\ub2a5\uc131\uacfc \uad00\ub828 \ube44\uc6a9\uc744 \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\ud544\uc218 DFT \uaddc\uce59 \ubc0f \uace0\ub824 \uc0ac\ud56d<\/h2>\n<div class=\"body-image-wrapper\" style=\"margin-bottom:20px;\"><img decoding=\"async\" width=\"1006\" height=\"575\" src=\"https:\/\/tryvary.com\/wp-content\/uploads\/2024\/05\/dft_guidelines_and_principles.jpg\" alt=\"dft \uac00\uc774\ub4dc\ub77c\uc778 \ubc0f \uc6d0\uce59\" style=\"aspect-ratio: 16\/9;\"><\/div>\n<p>\ud6a8\uacfc\uc801\uc778 \ud14c\uc2a4\ud2b8 \ubc0f \uc624\ub958 \uac10\uc9c0\ub97c \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \uc124\uacc4\uc790\ub294 \uc77c\ub828\uc758 \uae30\ubcf8 \uc0ac\ud56d\uc744 \uc900\uc218\ud574\uc57c \ud569\ub2c8\ub2e4. <strong>DFT \uaddc\uce59<\/strong> \ubc30\uce58 \ubc0f \uc124\uacc4\ub97c \uc548\ub0b4\ud558\ub294 \uace0\ub824 \uc0ac\ud56d <strong>\ud14c\uc2a4\ud2b8 \ud3ec\uc778\ud2b8<\/strong>\ud14c\uc2a4\ud2b8 \uac00\ub2a5\uc131\uc744 \uc704\ud574 \uc124\uacc4\ud560 \ub54c \ud14c\uc2a4\ud2b8 \ud3ec\uc778\ud2b8\uc5d0 \ucd5c\uc18c\ud55c\uc758 <strong>50\ubc00 \ud074\ub9ac\uc5b4\ub7f0\uc2a4<\/strong> \uc801\uc808\ud55c \uc811\uadfc\uc744 \uc704\ud574 \uad6c\uc131 \uc694\uc18c\uc640 \ucd94\uc801\uc5d0 \ub300\ud574 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n<p>\ub610\ud55c \ud14c\uc2a4\ud2b8 \ud3ec\uc778\ud2b8\uc5d0\ub294 \ub2e4\uc74c\uc774 \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4. <strong>100\ubc00 \ud074\ub9ac\uc5b4\ub7f0\uc2a4<\/strong> \ud14c\uc2a4\ud2b8\uc758 \uc6a9\uc774\uc131\uc744 \uc704\ud574 \ubcf4\ub4dc \uac00\uc7a5\uc790\ub9ac\uae4c\uc9c0. \uacc4\uc57d \uc81c\uc870\uc5c5\uccb4(CM)\uc640\uc758 \uc870\uc815\uc744 \ud1b5\ud574 \ub3d9\uc2dc\uc5d0 <strong>ICT \ud14c\uc2a4\ud2b8<\/strong> PCB\uc758 \uc591\ucabd\uc5d0 \uc788\uc73c\ubbc0\ub85c \uc81c\uc870 \uc911\uc5d0 \ucca0\uc800\ud55c \ud14c\uc2a4\ud2b8 \ubc94\uc704\uac00 \uc6a9\uc774\ud574\uc9d1\ub2c8\ub2e4.<\/p>\n<p>\uc124\uacc4 \ub124\ud2b8\ubcc4 \ud14c\uc2a4\ud2b8 \ud3ec\uc778\ud2b8\ub294 \ucca0\uc800\ud55c \ud14c\uc2a4\ud2b8\uc5d0 \ud544\uc218\uc801\uc774\uba70, \uc804\uae30 \uc5f0\uacb0\ubd80\uc758 \uac1c\ubc29 \ud68c\ub85c \ubc0f \uc624\ub958\ub97c \uac10\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc27d\uac8c \uc811\uadfc \uac00\ub2a5 <strong>\ud504\ub85c\ube0c \ud3ec\uc778\ud2b8<\/strong> \uc218\ub3d9 \ud14c\uc2a4\ud2b8\ub97c \ud1b5\ud574 \uae30\uc220\uc790\ub294 \ud6a8\uc728\uc801\uc73c\ub85c \uc624\ub958\ub97c \ubd84\ub9ac\ud558\uace0, \uac00\ub3d9 \uc911\uc9c0 \uc2dc\uac04\uc744 \uc904\uc774\uace0, \uc804\ubc18\uc801\uc778 \uc0dd\uc0b0 \ud6a8\uc728\uc131\uc744 \ub192\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n<h3>\ud14c\uc2a4\ud2b8 \uac00\ub2a5\uc131\uc744 \uc704\ud55c \uc124\uacc4 \uc6d0\uce59\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n<p>\ud14c\uc2a4\ud2b8 \uc6a9\uc774\uc131\uc744 \uc704\ud55c \uc124\uacc4(DFT)\uc758 \uc6d0\uce59\uc740 \ub2e4\uc74c\uc744 \ud1b5\ud569\ud558\ub294 \ub370 \uc911\uc810\uc744 \ub461\ub2c8\ub2e4. <strong>\ud14c\uc2a4\ud2b8 \ud3ec\uc778\ud2b8<\/strong>\ud6a8\uc728\uc801\uc778 \ud14c\uc2a4\ud2b8\ub97c \uc6a9\uc774\ud558\uac8c \ud558\uae30 \uc704\ud574 \uc811\uadfc\uc131\uacfc \uac00\uc2dc\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n<p>\uc8fc\uc694 \uc6d0\uce59\uc5d0\ub294 \uba85\ud655\ud55c \uc2e0\ud638 \uacbd\ub85c \uc81c\uacf5\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. <strong>\uc81c\uc5b4\ub41c \uc784\ud53c\ub358\uc2a4<\/strong>, \uc801\uc808\ud55c \uc804\uc6d0 \ubc0f \uc811\uc9c0 \uc5f0\uacb0.<\/p>\n<p>\ub610\ud55c \ud14c\uc2a4\ud2b8 \ud3ec\uc778\ud2b8\ub294 \ud14c\uc2a4\ud2b8 \ud504\ub85c\ube0c\ub97c \uc704\ud55c \ucda9\ubd84\ud55c \uac04\uaca9\uc744 \ub450\uace0 \uad6c\uc131 \uc694\uc18c\uc5d0\uc11c \uba40\ub9ac \ub5a8\uc5b4\uc838 \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4. <strong>\uc2e0\ud638 \ubb34\uacb0\uc131<\/strong> \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<h3>DFT \uac00\uc774\ub4dc\ub77c\uc778\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n<p>DFT \uac00\uc774\ub4dc\ub77c\uc778\uc740 \ud14c\uc2a4\ud2b8 \uac00\ub2a5\uc131\uc744 \uc5fc\ub450\uc5d0 \ub450\uace0 \uc778\uc1c4 \ud68c\ub85c \uae30\ud310(PCB)\uc758 \uc124\uacc4\ub97c \uc6a9\uc774\ud558\uac8c \ud558\ub294 \uc77c\ub828\uc758 \uaddc\uce59\uacfc \uad8c\uc7a5 \uc0ac\ud56d\uc785\ub2c8\ub2e4. \uc774 \uac00\uc774\ub4dc\ub77c\uc778\uc740 \ud6a8\uc728\uc801\uc778 \ud14c\uc2a4\ud2b8\ub97c \ubcf4\uc7a5\ud558\uae30 \uc704\ud55c \ud14c\uc2a4\ud2b8 \uc9c0\uc810, \ucd94\uc801 \uace0\ub824 \uc0ac\ud56d \ubc0f \ud14c\uc2a4\ud2b8 \ubc29\ubc95\ub860\uc5d0 \ub300\ud55c \ud2b9\uc815 \uc694\uad6c \uc0ac\ud56d\uc744 \uc124\uba85\ud569\ub2c8\ub2e4. <strong>\uacb0\ud568 \uaca9\ub9ac<\/strong> \ube60\ub978 \ud14c\uc2a4\ud2b8.<\/p>\n<h3>\ud14c\uc2a4\ud2b8 \uc2dc PCB \uc9c0\uce68\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n<p>\ucd5c\uadfc \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c \uc120\ub3c4\uc801\uc778 \uc804\uc790 \uc81c\uc870\uc5c5\uccb4\uac00 \ub2e4\uc74c\uc744 \uad6c\ud604\ud588\uc2b5\ub2c8\ub2e4. <strong>PCB \uac00\uc774\ub4dc\ub77c\uc778<\/strong> \uc0c8\ub85c\uc6b4 \uc81c\ud488\uad70\uc758 \ud6a8\uc728\uc801\uc778 \ud14c\uc2a4\ud2b8\ub97c \ubcf4\uc7a5\ud558\uae30 \uc704\ud574\uc11c\uc785\ub2c8\ub2e4.<\/p>\n<p>\uc608\ub97c \ub4e4\uc5b4, \uadf8\ub4e4\uc740 \ub2e4\uc74c\uc744 \ud1b5\ud569\ud588\uc2b5\ub2c8\ub2e4. <strong>\ud14c\uc2a4\ud2b8 \ud3ec\uc778\ud2b8<\/strong> \ucd5c\uc18c 0.5mm\uc758 \uc5ec\uc720 \uacf5\uac04\uc744 \ub450\uc5b4 \uc27d\uac8c <strong>\ube44\ud589 \ud504\ub85c\ube0c \ud14c\uc2a4\ud2b8<\/strong>. \uc774\ub97c \ud1b5\ud574 \uadf8\ub4e4\uc740 \ud14c\uc2a4\ud2b8 \uc2dc\uac04\uc744 30% \ub2e8\ucd95\ud558\uace0 25% \uc99d\uac00\uc2dc\ucf30\uc2b5\ub2c8\ub2e4. <strong>\uacb0\ud568 \ud0d0\uc9c0 \uc815\ud655\ub3c4<\/strong>.<\/p>\n<p>\ud14c\uc2a4\ud2b8\uc5d0 \uc788\uc5b4\uc11c PCB \uac00\uc774\ub4dc\ub77c\uc778\uc740 \ud14c\uc2a4\ud2b8 \ud3ec\uc778\ud2b8, \ud2b8\ub808\uc774\uc2a4, LED \ubc0f \ud2b9\uc815 \ud68c\ub85c \uae30\ub2a5\uc744 \ud1b5\ud569\ud558\uc5ec \uc6b4\uc601 \ubc0f \uae30\ub2a5 \ud14c\uc2a4\ud2b8\uc758 \uc815\ud655\uc131\uacfc \uc624\ub958 \uc2dd\ubcc4\uc744 \ud655\ubcf4\ud558\ub294 \ub370 \uc911\uc810\uc744 \ub450\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\ud14c\uc2a4\ud2b8\uac00\ub2a5\uc131\uc744 \uc704\ud55c \uc124\uacc4 \uc811\uadfc\ubc29\uc2dd\uc740 \ubb34\uc5c7\uc778\uac00?<\/h3>\n<p>\ub3c4\uba54\uc778\uc5d0\uc11c\ub294 <strong>\ud14c\uc2a4\ud2b8 \uac00\ub2a5\uc131\uc744 \uc704\ud55c \ub514\uc790\uc778<\/strong>, \uc5ec\ub7ec \uac00\uc9c0 \uc811\uadfc \ubc29\uc2dd\uc740 \ud6a8\uc728\uc801\uc778 \ud14c\uc2a4\ud2b8\uc640 \uc624\ub958 \uac10\uc9c0\ub97c \uc6a9\uc774\ud558\uac8c \ud569\ub2c8\ub2e4. \uc8fc\uc694 \uc804\ub7b5\uc5d0\ub294 \uc27d\uac8c \uc561\uc138\uc2a4\ud560 \uc218 \uc788\ub294 \ud14c\uc2a4\ud2b8 \uc9c0\uc810 \uc0dd\uc131, \uad6c\ud604\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. <strong>\uacbd\uacc4 \uc2a4\uce94 \ud14c\uc2a4\ud2b8<\/strong>, \uadf8\ub9ac\uace0 \ud65c\uc6a9 <strong>JTAG \uc7a5\uce58<\/strong> \uc624\ub958 \uac10\uc9c0 \uae30\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n<p>\ub610\ud55c, \ud1b5\ud569 <strong>\ub0b4\uc7a5\ub41c \uc790\uccb4 \ud14c\uc2a4\ud2b8 \uae30\ub2a5<\/strong> \uadf8\ub9ac\uace0 \uc26c\uc6b4 \ub514\ubc84\uadf8 \ubc0f \uc624\ub958 \uaca9\ub9ac\ub97c \uc704\ud55c \uc124\uacc4\ub294 \ud14c\uc2a4\ud2b8 \uac00\ub2a5\uc131 \ubaa9\ud45c\ub97c \ub2ec\uc131\ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc811\uadfc \ubc29\uc2dd\uc740 \ud6a8\uacfc\uc801\uc778 \ud14c\uc2a4\ud2b8\ub97c \uac00\ub2a5\ud558\uac8c \ud558\uace0, \ucd9c\uc2dc \uc2dc\uac04\uc744 \ub2e8\ucd95\ud558\uba70, \uc804\ubc18\uc801\uc778 \uc81c\ud488 \uc2e0\ub8b0\uc131\uc744 \uac1c\uc120\ud569\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>\ucd5c\uc801\uc758 \uc778\uc1c4 \ud68c\ub85c \uae30\ud310 \uc124\uacc4\ub97c \ucd94\uad6c\ud558\uba74\uc11c \uc6d0\ud65c\ud55c \uc624\ub958 \uac10\uc9c0 \ubc0f \uaca9\ub9ac\ub97c \ubcf4\uc7a5\ud558\ub294 \ud544\uc218 \uc9c0\uce68\uacfc \uaddc\uce59\uc744 \uc54c\uc544\ubcf4\uc138\uc694.<\/p>","protected":false},"author":9,"featured_media":2279,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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Lau","author_link":"https:\/\/tryvary.com\/ko\/author\/wsbpmbzuog4q\/"},"uagb_comment_info":0,"uagb_excerpt":"Pursuing optimal printed circuit board design&#44; uncover the essential guidelines and rules that ensure seamless fault detection and 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