[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-670866-105":59,"doc-detail-670866-en":122},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":115,"head_meta":117,"extra_data":119,"updated_unix":121},105,"en","lm555-timer-direct-replacement-timing-from-microseconds-through-hours","LM555 Timer - Direct Replacement - Timing from Microseconds through Hours","","LM555 is a highly stable timer device for generating accurate time delays and oscillation. It supports both astable and monostable modes, enabling precision timing, pulse generation, sequential timing, and time delay generation. Timing in delay mode is set precisely by one external resistor and capacitor, while oscillator frequency and duty cycle are controlled using two resistors and one capacitor. The output can source or sink up to 200 mA and remains TTL compatible.",{"@graph":69,"@context":114},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/lm555-timer-direct-replacement-timing-from-microseconds-through-hours/670866/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/lm555-timer-direct-replacement-timing-from-microseconds-through-hours/670866.png","ImageObject",300,407,{"name":92,"@type":93},"Noah","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-02","2026-11-01",true,{"@type":102,"interactionType":103,"userInteractionCount":14},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108],{"name":109,"@type":110,"acceptedAnswer":111},"What output current capability does the LM555 provide?","Question",{"text":112,"@type":113},"The output circuit can source or sink up to 200 mA and can drive TTL-compatible circuits.","Answer","https://schema.org",{"og:url":83,"og:type":116,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":118,"canonical":83},"index,follow",{"doc_id":120,"site_id":62},670866,1793572390,{"code":4,"msg":5,"data":123},{"doc_id":120,"user_id":124,"nickname":92,"user_avatar":125,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":126,"file_id":127,"file_url":128,"file_type":129,"file_size":130,"view_count":14,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":131,"language":132,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":133,"faqs":134,"seo_title":135,"seo_description":67,"update_tm":121,"read_time":136},8796095462418,"https://ap-avatar.wpscdn.com/avatar/80000253c1241d02b47?x-image-process=image/resize,m_fixed,w_180,h_180&k=1778826106357471780","LM555 Timer  \n1 Features 3 Description  \n• Direct Replacement for SE555/NE555  \n• Timing from Microseconds through Hours  \n• Operates in Both Astable and Monostable Modes  \n• Adjustable Duty Cycle  \n• Output Can Source or Sink 200 mA  \n• Output and Supply TTL Compatible  \n• Temperature Stability Better than 0.005% per °C  \n• Normally On and Normally Off Output  \n• Available in 8-pin VSSOP Package  \n2 Applications  \n• Precision Timing  \n• Pulse Generation  \n• Sequential Timing  \n• Time Delay Generation  \n• Pulse Width Modulation  \n• Pulse Position Modulation  \n• Linear Ramp Generator  \nThe LM555 is a highly stable device for generating accurate time delays or oscillation. Additional terminals are provided for triggering or resetting if desired. In the time delay mode of operation, the time is precisely controlled by one external resistor and capacitor. For a stable operation as an oscillator, the free running frequency and duty cycle are accurately controlled with two external resistors and one capacitor. The circuit may be triggered and reset on falling waveforms, and the output circuit can source or sink up to 200 mA or drive TTL circuits.  \nDevice Information(1)  \n\n| PART NUMBER | PACKAGE | BODY SIZE (NOM) |\n| --- | --- | --- |\n| LM555 | SOIC (8) | 4.90 mm × 3.91 mm |\n|  | PDIP (8) | 9.81 mm × 6.35 mm |\n|  | VSSOP (8) | 3.00 mm × 3.00 mm |\n\n(1) For all available packages, see the orderable addendum atthe end of the datasheet.  \nSchematic Diagram  \nAn IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA.  \nLM555  \nSNAS548D –FEBRUARY 2000–REVISED JANUARY 2015  \n[www.ti.com](www.ti.com)  \n\n| Table of Contents |  |  |\n| --- | --- | --- |\n| 1 Features .................................................................. 1\u003Cbr>2 Applications ........................................................... 1\u003Cbr>3 Description ............................................................. 1\u003Cbr>4 Revision History..................................................... 2\u003Cbr>5 Pin Configuration and Functions ......................... 3\u003Cbr>6 Specifications......................................................... 4\u003Cbr>6.1 Absolute Maximum Ratings ...................................... 4\u003Cbr>6.2 ESD Ratings.............................................................. 4\u003Cbr>6.3 Recommended Operating Conditions ....................... 4\u003Cbr>6.4 Thermal Information ................................................. 4\u003Cbr>6.5 Electrical Characteristics .......................................... 5\u003Cbr>6.6 Typical Characteristics .............................................. 6\u003Cbr>7 Detailed Description .............................................. 8\u003Cbr>7.1 Overview ................................................................... 8\u003Cbr>7.2 Functional Block Diagram ......................................... 8 | 7.3 Feature Description ................................................... 8\u003Cbr>7.4 Device Functional Modes.......................................... 9\u003Cbr>8 Application and Implementation ........................ 12\u003Cbr>8.1 Application Information............................................ 12\u003Cbr>8.2 Typical Application ................................................. 12\u003Cbr>9 Power Supply Recommendations ...................... 15\u003Cbr>10 Layout................................................................... 15\u003Cbr>10.1 Layout Guidelines ................................................. 15\u003Cbr>10.2 Layout Example .................................................... 15\u003Cbr>11 Device and Documentation Support ................. 16\u003Cbr>11.1 Trademarks ........................................................... 16\u003Cbr>11.2 Electrostatic Discharge Caution ............................ 16\u003Cbr>11.3 Glossary ................................................................ 16\u003Cbr>12 Mechanical, Packaging, and Orderable In","cbCaidNUPNGBvVB5","https://ap.wps.com/l/cbCaidNUPNGBvVB5","pdf",1221961,29,"English","# 1 Features\n# 2 Applications\n# 3 Description\n# 4 Revision History\n# 5 Pin Configuration and Functions\n# 6 Specifications\n## 6.1 Absolute Maximum Ratings\n## 6.2 ESD Ratings\n## 6.3 Recommended Operating Conditions\n## 6.4 Thermal Information\n## 6.5 Electrical Characteristics\n## 6.6 Typical Characteristics\n# 7 Detailed Description\n## 7.1 Overview\n## 7.2 Functional Block Diagram\n## 7.3 Feature Description\n## 7.4 Device Functional Modes\n# 8 Application and Implementation\n## 8.1 Application Information\n## 8.2 Typical Application\n# 9 Power Supply Recommendations\n# 10 Layout\n## 10.1 Layout Guidelines\n## 10.2 Layout Example\n# 11 Device and Documentation Support\n## 11.1 Trademarks\n## 11.2 Electrostatic Discharge Caution\n## 11.3 Glossary\n# 12 Mechanical, Packaging, and Orderable Information","[{\"question\":\"What output current capability does the LM555 provide?\",\"answer\":\"The output circuit can source or sink up to 200 mA and can drive TTL-compatible circuits.\"}]","LM555 Timer - Direct Replacement - Timing from Microseconds through Hours | PDF",73]