{"id":146651,"date":"2024-04-27T12:23:58","date_gmt":"2024-04-27T12:23:58","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/555-%ed%83%80%ec%9d%b4%eb%a8%b8\/"},"modified":"2024-04-27T12:23:58","modified_gmt":"2024-04-27T12:23:58","slug":"555-%ed%83%80%ec%9d%b4%eb%a8%b8","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/555-%ed%83%80%ec%9d%b4%eb%a8%b8\/","title":{"rendered":"555 \ud0c0\uc774\uba38"},"content":{"rendered":"<p class=\"sidekick\">555 \ud0c0\uc774\uba38 IC\uc758 \uc6d0\ub9ac\ub97c \uc18c\uac1c\ud558\ub294 \uae30\uc0ac\ub85c, \uac01 \ud540\uc758 \uae30\ub2a5, \uc8fc\uc694 \ub3d9\uc791 \ubaa8\ub4dc\uc778 \ubaa8\ub178\uc2a4\ud14c\uc774\ube14\uacfc \uc560\uc2a4\ud130\ube14 \ubaa8\ub4dc, \uadf8\ub9ac\uace0 \ud0c0\uc774\uba38 \uc124\uc815 \ubc29\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2024\/04\/555-\ud0c0\uc774\uba38.png\" alt=\"555 \ud0c0\uc774\uba38\"\/><\/p>\n<h2>555 \ud0c0\uc774\uba38\uc758 \uae30\ubcf8 \uc6d0\ub9ac<\/h2>\n<p>555 \ud0c0\uc774\uba38\ub294 \uc804\uc790\uacf5\ud559\uc5d0\uc11c \ub9e4\uc6b0 \uc911\uc694\ud55c \uc704\uce58\ub97c \ucc28\uc9c0\ud558\ub294 IC(Integrated Circuit, \uc9d1\uc801 \ud68c\ub85c)\uc785\ub2c8\ub2e4. \uc2e0\ud638\ub97c \uc77c\uc815\ud55c \uac04\uaca9\uc73c\ub85c \ubc1c\uc0dd\uc2dc\ud0a4\uac70\ub098 \ud2b9\uc815\ud55c \uc2dc\uac04 \ub3d9\uc548 \uc9c0\uc5f0\uc2dc\ud0a4\ub294 \ud0c0\uc774\uba38, \ubc1c\uc9c4\uae30\ub85c \uc0ac\uc6a9\ub418\uc8e0. 555 \ud0c0\uc774\uba38\ub294 \uadf8 \uc0ac\uc6a9\ubc95\uc774 \ub2e8\uc21c\ud558\uba70 \ub2e4\uc591\ud55c \uc804\uc790 \ud68c\ub85c\uc5d0 \uc751\uc6a9\ud560 \uc218 \uc788\uc5b4\uc11c \ucd08\ubcf4\uc790\ubd80\ud130 \uc804\ubb38\uac00\uae4c\uc9c0 \uac00\ub9ac\uc9c0 \uc54a\uace0 \ub110\ub9ac \uc4f0\uc785\ub2c8\ub2e4.<\/p>\n<p>555 \ud0c0\uc774\uba38\ub294 \ud540(pin)\uc774 8\uac1c\uc778 IC\uc785\ub2c8\ub2e4. \uac01 \ud540\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\ud540 1 (GND): \uc811\uc9c0<\/li>\n<li>\ud540 2 (TRIG): \ud2b8\ub9ac\uac70 \uc804\uc555\uc774 \uc77c\uc815 \uc218\uc900 \uc774\ud558\ub85c \ub5a8\uc5b4\uc9c0\uba74 \ud0c0\uc774\uba38\uac00 \ud65c\uc131\ud654\ub429\ub2c8\ub2e4.<\/li>\n<li>\ud540 3 (OUT): \ucd9c\ub825 \uc2e0\ud638, \ud0c0\uc774\uba38\uc758 \ub3d9\uc791 \uc0c1\ud0dc\uc5d0 \ub530\ub77c HIGH \ub610\ub294 LOW\uc2e0\ud638\ub97c \ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\ud540 4 (RESET): \uc774 \ud540\uc5d0 LOW\uc2e0\ud638\ub97c \uc785\ub825\ud558\uba74 \ud0c0\uc774\uba38\uac00 \ucd08\uae30\ud654\ub429\ub2c8\ub2e4.<\/li>\n<li>\ud540 5 (CTRL): \uc81c\uc5b4 \uc804\uc555 \ud540, \uc77c\ubc18\uc801\uc73c\ub85c \ub0b4\ubd80 \uc804\uc555\uc744 \uc870\uc815\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li>\ud540 6 (THRESH): \uc784\uacc4 \uc804\uc555\uc774 \uc5b4\ub5a4 \uc218\uc900 \uc774\uc0c1\uc73c\ub85c \uc624\ub974\uba74 \ud0c0\uc774\uba38\uac00 \ube44\ud65c\uc131\ud654\ub429\ub2c8\ub2e4.<\/li>\n<li>\ud540 7 (DISCH): \ubc29\uc804 \ud540, \uc678\ubd80 \ucee4\ud328\uc2dc\ud130\ub97c \ubc29\uc804\uc2dc\ud0a4\ub294 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/li>\n<li>\ud540 8 (V<sub>CC<\/sub>): \uc804\uc6d0\uacf5\uae09\uc744 \uc704\ud55c \ud540<\/li>\n<\/ul>\n<p>555 \ud0c0\uc774\uba38\ub294 \uc8fc\ub85c \ub450 \uac00\uc9c0 \uae30\ubcf8 \ubaa8\ub4dc\ub85c \uad6c\ub3d9\ub429\ub2c8\ub2e4: \u2018\ubaa8\ub178\uc2a4\ud14c\uc774\ube14 \ubaa8\ub4dc\u2019\uc640 \u2018\uc560\uc2a4\ud130\ube14 \ubaa8\ub4dc\u2019. \ubaa8\ub178\uc2a4\ud14c\uc774\ube14 \ubaa8\ub4dc\uc5d0\uc11c\ub294 \uc678\ubd80 \uc2e0\ud638(\ud2b8\ub9ac\uac70)\uc5d0 \ubc18\uc751\ud558\uc5ec \uc77c\uc815 \uc2dc\uac04 \ub3d9\uc548\ub9cc \uc2e0\ud638\ub97c \ucd9c\ub825\ud558\uace0, \uc774 \uc2dc\uac04\uc740 \uc678\ubd80 \ucee4\ud328\uc2dc\ud130\uc640 \uc800\ud56d\uc744 \ud1b5\ud574 \uc870\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubc18\uba74\uc5d0 \uc560\uc2a4\ud130\ube14 \ubaa8\ub4dc\uc5d0\uc11c\ub294 \uc9c0\uc18d\uc801\uc73c\ub85c \uc2e0\ud638\ub97c \uad50\ucc28\ub85c \ubc1c\uc0dd\uc2dc\ud0a4\ub294\ub370, \uc774 \ub54c\uc758 \uc8fc\uae30 \ub610\ud55c \uc678\ubd80 \ucee4\ud328\uc2dc\ud130\uc640 \uc800\ud56d\uc5d0 \uc758\ud574 \uacb0\uc815\ub429\ub2c8\ub2e4.<\/p>\n<p>\ubaa8\ub178\uc2a4\ud14c\uc774\ube14 \ubaa8\ub4dc\uc5d0\uc11c \ucd9c\ub825 \uc2dc\uac04\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \uacf5\uc2dd\uc73c\ub85c \uacc4\uc0b0\ub429\ub2c8\ub2e4:<\/p>\n<p><i>T = 1.1 * R * C<\/i><\/p>\n<p>\uc5ec\uae30\uc11c <i>T<\/i>\ub294 \ud0c0\uc774\uba38\uac00 \ud65c\uc131 \uc0c1\ud0dc\ub97c \uc720\uc9c0\ud558\ub294 \uc2dc\uac04, <i>R<\/i>\uc740 \uc800\ud56d\uac12, <i>C<\/i>\ub294 \ucee4\ud328\uc2dc\ud130 \uac12\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, R=10k\u03a9\uc758 \uc800\ud56d\uacfc C=100\u03bcF\uc758 \ucee4\ud328\uc2dc\ud130\ub97c \uc0ac\uc6a9\ud55c\ub2e4\uba74, \ud0c0\uc774\uba38\ub294 \uc57d 1.1\ucd08 \ub3d9\uc548 \ud65c\uc131 \uc0c1\ud0dc\ub97c \uc720\uc9c0\ud558\uac8c \ub429\ub2c8\ub2e4.<\/p>\n<p>\uc560\uc2a4\ud130\ube14 \ubaa8\ub4dc\uc5d0\uc11c\ub294 \ud0c0\uc774\uba38\uac00 \uc790\ub3d9\uc73c\ub85c \ub9ac\uc14b\ub418\uba70 \uaddc\uce59\uc801\uc778 \uc8fc\uae30\ub85c \ud384\uc2a4\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \uace0\uc720\ud55c \uc8fc\uae30\ub294 \ub2e4\uc74c \uacf5\uc2dd\uc73c\ub85c \uacb0\uc815\ub429\ub2c8\ub2e4:<\/p>\n<p><i>T<sub>total<\/sub> = T<sub>high<\/sub> + T<sub>low<\/sub> = 0.693 * (R<sub>1<\/sub> + 2 * R<sub>2<\/sub>) * C<\/i><\/p>\n<p>\uc5ec\uae30\uc11c <i>T<sub>total<\/sub><\/i>\uc740 \ud384\uc2a4\uc758 \uc804\uccb4 \uc8fc\uae30, <i>T<sub>high<\/sub><\/i>\uc740 \ucd9c\ub825\uc774 HIGH \uc0c1\ud0dc\uc778 \uc2dc\uac04, <i>T<sub>low<\/sub><\/i>\uc740 LOW \uc0c1\ud0dc\uc778 \uc2dc\uac04, <i>R<sub>1<\/sub><\/i>\uacfc <i>R<sub>2<\/sub><\/i>\ub294 \uc800\ud56d \uac12, <i>C<\/i>\ub294 \ucee4\ud328\uc2dc\ud130 \uac12\uc785\ub2c8\ub2e4.<\/p>\n<p>\uc774\ub7ec\ud55c \uae30\ubcf8\uc801\uc778 \uacc4\uc0b0 \ubc29\ubc95\uc744 \ud1b5\ud574 \uc6d0\ud558\ub294 \ud0c0\uc774\uba38 \uae30\ub2a5\uc744 \uc124\uc815\ud560 \uc218 \uc788\uc73c\uba70, \uac04\ub2e8\ud55c \uc870\uc815\uc744 \ud1b5\ud574 \ub2e4\uc591\ud55c \uc751\uc6a9 \ud68c\ub85c\ub97c \uad6c\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. 555 \ud0c0\uc774\uba38\uc758 \ubc94\uc6a9\uc131 \ub355\ubd84\uc5d0 \uc804\uc790 \uc2dc\uacc4, \uacbd\ubcf4 \uc2dc\uc2a4\ud15c, \ucef4\ud4e8\ud130 \uc778\ud130\ud398\uc774\uc2a4 \ub4f1\uc5d0\uc11c\ub3c4 \uc790\uc8fc \ud65c\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<h2>555 \ud0c0\uc774\uba38\uc758 \ud65c\uc6a9 \uc608<\/h2>\n<p>555 \ud0c0\uc774\uba38\ub294 \uadf8 \uac04\ub2e8\ud558\uba74\uc11c\ub3c4 \uc720\uc5f0\ud55c \ud2b9\uc131\uc73c\ub85c \ub2e4\uc591\ud55c \ud504\ub85c\uc81d\ud2b8\uc640 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \ud65c\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uba87 \uac00\uc9c0 \uc0ac\ub840\ub97c \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li>LED \uae5c\ubc15\uc784 \ud68c\ub85c: \uc560\uc2a4\ud130\ube14 \ubaa8\ub4dc\ub97c \uc774\uc6a9\ud558\uc5ec LED\uac00 \uc815\ud574\uc9c4 \uc8fc\uae30\ub85c \ucf1c\uc84c\ub2e4 \uaebc\uc9c0\uac8c \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\ud384\uc2a4 \uc0dd\uc131\uae30: \uace0\uc815\ub41c \uc8fc\uae30\uc758 \ud384\uc2a4\ub97c \uc0dd\uc131\ud558\uc5ec \ub2e4\ub978 \ub514\uc9c0\ud138 \ud68c\ub85c\ub97c \ub3d9\uc791\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\ubaa8\ud130 \uc81c\uc5b4 \ud68c\ub85c: \ubaa8\ub178\uc2a4\ud14c\uc774\ube14 \ubaa8\ub4dc\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubaa8\ud130\ub97c \ud2b9\uc815 \uc2dc\uac04 \ub3d9\uc548 \ub3d9\uc791\uc2dc\ud0a4\uace0 \uc815\uc9c0\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\uc0ac\uc6b4\ub4dc \ubc1c\uc0dd: \ub2e4\uc591\ud55c \uc8fc\ud30c\uc218\uc758 \uc0ac\uc6b4\ub4dc\ub97c \ub0b4\uae30 \uc704\ud55c \ubc1c\uc9c4\uae30\ub85c \ud65c\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>\uc548\uc804\uc131\uacfc \uc548\uc815\uc131<\/h2>\n<p>\ubaa8\ub4e0 \uc804\uc790 \ud68c\ub85c\uc640 \ub9c8\ucc2c\uac00\uc9c0\ub85c, 555 \ud0c0\uc774\uba38 \ud68c\ub85c\ub97c \uc124\uacc4\ud560 \ub54c\uc5d0\ub294 \uc548\uc804\uc131\uacfc \uc548\uc815\uc131\uc744 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \ud56d\uc0c1 \uc815\uaca9 \uc804\uc555 \ub0b4\uc5d0\uc11c \ud68c\ub85c\ub97c \uc6b4\uc6a9\ud558\uace0, \ud544\uc694 \uc2dc \uc801\uc808\ud55c \ubc29\uc5f4 \uc124\uacc4\ub97c \ud1b5\ud574 IC\uac00 \uacfc\uc5f4\ub418\uc9c0 \uc54a\ub3c4\ub85d \uc8fc\uc758\ud574\uc57c \ud569\ub2c8\ub2e4. \ub610\ud55c \uc678\ubd80 \ud658\uacbd\uc73c\ub85c\ubd80\ud130 IC\ub97c \ubcf4\ud638\ud558\uae30 \uc704\ud574 \uc801\uc808\ud55c \ucf00\uc774\uc2f1\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\ub3c4 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n<h2>\uacb0\ub860<\/h2>\n<p>\uc774\ucc98\ub7fc 555 \ud0c0\uc774\uba38\ub294 \uadf8 \uc720\uc5f0\ud55c \uc124\uacc4\ub85c \uc778\ud574 \uc804\uc790\uacf5\ud559\uc744 \ubc30\uc6b0\uae30 \uc2dc\uc791\ud558\ub294 \ud559\uc0dd\ub4e4\ubd80\ud130 \uc804\ubb38\uac00\uae4c\uc9c0 \ubaa8\ub450\uc5d0\uac8c \uc0ac\ub791\ubc1b\ub294 IC\uc785\ub2c8\ub2e4. \uae30\ubcf8\uc801\uc778 \uc774\ud574\ub97c \ub3d5\uae30 \uc704\ud574 \uc774 \uae30\uc0ac\uc5d0\uc11c\ub294 555 \ud0c0\uc774\uba38\uc758 \uc8fc\uc694 \uae30\ub2a5\uacfc \ub450 \uac00\uc9c0 \uae30\ubcf8\uc801\uc778 \uad6c\ub3d9 \ubaa8\ub4dc\uc5d0 \ub300\ud574 \uc0b4\ud3b4\ubcf4\uc558\uc2b5\ub2c8\ub2e4. \uc774\ud574\ud558\uae30 \uc26c\uc6b4 \uc608\uc2dc\ub97c \ud1b5\ud574 \ud0c0\uc774\uba38\uc640 \ubc1c\uc9c4\uae30\ub85c\uc11c\uc758 \uae30\ub2a5\uc744 \ud0d0\uad6c\ud588\uc73c\uba70, \uc2e4\uc81c \ud65c\uc6a9 \uc608\ub97c \ud1b5\ud574 \uc774 \uc791\uc740 \uce69\uc774 \uc5bc\ub9c8\ub098 \ub2e4\uc591\ud558\uac8c \uc0ac\uc6a9\ub420 \uc218 \uc788\ub294\uc9c0\uc5d0 \ub300\ud574\uc11c\ub3c4 \uad11\ubc94\uc704\ud558\uac8c \ub17c\uc758\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uae30\ubcf8 \uc6d0\ub9ac\uc5d0 \ub300\ud55c \uc774\ud574\ub97c \ubc14\ud0d5\uc73c\ub85c \ucc3d\uc758\uc801\uc778 \uc544\uc774\ub514\uc5b4\uc640 \uc801\uc751\ub825\uc744 \ubc1c\ud718\ud55c\ub2e4\uba74 555 \ud0c0\uc774\uba38\ub97c \uc0ac\uc6a9\ud574 \uc804\uc790\uacf5\ud559\uc758 \uc138\uacc4\uc5d0\uc11c \ub05d\uc5c6\ub294 \uac00\ub2a5\uc131\uc744 \ud0d0\uc0c9\ud560 \uc218 \uc788\uc744 \uac83\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \ub3c5\uc790 \uc5ec\ub7ec\ubd84\ub4e4\uc5d0\uac8c \uc774 \uae30\uc0ac\uac00 555 \ud0c0\uc774\uba38\ub85c \ubcf4\ub2e4 \ubcf5\uc7a1\ud558\uace0 \ud765\ubbf8\ub85c\uc6b4 \ud68c\ub85c\ub97c \uc124\uacc4\ud558\ub294 \uc2dc\uc791\uc810\uc774 \ub418\uae30\ub97c \ubc14\ub78d\ub2c8\ub2e4. \uc774 \uc791\uc740 IC\uac00 \uc81c\uacf5\ud558\ub294 \ud070 \uae30\ud68c\ub97c \ud65c\uc6a9\ud558\uc5ec, \uc804\uc790\uacf5\ud559\uc758 \uae30\ucd08\ub85c\ubd80\ud130 \uc2dc\uc791\ud558\uc5ec \uc2e4\uc81c \uc0b6\uc5d0 \uc801\uc6a9\ub418\ub294 \ud765\ubbf8\uc9c4\uc9c4\ud55c \ud504\ub85c\uc81d\ud2b8\ub4e4\uc744 \ub9cc\ub4e4\uc5b4 \ub098\uac00\ub294 \uc5ec\uc815\uc774 \ub418\uae38 \uae30\ub300\ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>555 \ud0c0\uc774\uba38 IC\uc758 \uc6d0\ub9ac\ub97c \uc18c\uac1c\ud558\ub294 \uae30\uc0ac\ub85c, \uac01 \ud540\uc758 \uae30\ub2a5, \uc8fc\uc694 \ub3d9\uc791 \ubaa8\ub4dc\uc778 \ubaa8\ub178\uc2a4\ud14c\uc774\ube14\uacfc \uc560\uc2a4\ud130\ube14 \ubaa8\ub4dc, \uadf8\ub9ac\uace0 \ud0c0\uc774\uba38 \uc124\uc815 \ubc29\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":169739,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[88],"tags":[89],"class_list":["post-146651","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-88","tag-89","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO 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