{"id":5375,"date":"2026-06-09T11:30:41","date_gmt":"2026-06-09T11:30:41","guid":{"rendered":"https:\/\/materialparts.com\/ne555p\/"},"modified":"2026-06-09T11:30:41","modified_gmt":"2026-06-09T11:30:41","slug":"ne555p","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/ne555p\/","title":{"rendered":"NE555P"},"content":{"rendered":"

\u4ea7\u54c1\u6982\u89c8<\/h2>\n

NE555P from TI is the classic timer IC for astable and monostable applications. 4.5-16V, 500kHz max, 200mA output. DIP-8.<\/p>\n

\u5de5\u4f5c\u539f\u7406<\/h2>\n

Precision timer generating accurate time delays or oscillation. Monostable: pulse width = 1.1 x R x C. Astable: frequency = 1.44\/((R1+2R2)xC). Open collector discharge transistor. Reset and control voltage pins.<\/p>\n

Pin Description<\/h2>\n\n\n\n\n\n\n\n\n\n\n
\u9488\u811a<\/th>\n\u540d\u79f0<\/th>\n\u529f\u80fd<\/th>\n<\/tr>\n
1<\/td>\n\u63a5\u5730<\/td>\n\u5730\u9762<\/td>\n<\/tr>\n
2<\/td>\nTRIG<\/td>\nTrigger<\/td>\n<\/tr>\n
3<\/td>\n\u51fa\u5c40<\/td>\n\u8f93\u51fa<\/td>\n<\/tr>\n
4<\/td>\n\u91cd\u7f6e<\/td>\nReset (active low)<\/td>\n<\/tr>\n
5<\/td>\nCTRL<\/td>\nControl voltage<\/td>\n<\/tr>\n
6<\/td>\nTHRESH<\/td>\nThreshold<\/td>\n<\/tr>\n
7<\/td>\nDISCH<\/td>\nDischarge<\/td>\n<\/tr>\n
8<\/td>\nVCC<\/td>\n4.5-16V supply<\/td>\n<\/tr>\n<\/table>\n

\u5e94\u7528<\/h2>\n
    \n
  • Timing circuits<\/li>\n
  • Pulse generation<\/li>\n
  • Clock oscillators<\/li>\n
  • PWM controllers<\/li>\n<\/ul>\n

    Alternative Models<\/h2>\n\n\n\n
    Mfr<\/th>\nPart<\/th>\n\u8bf4\u660e<\/th>\n<\/tr>\n
    TI<\/td>\nLMC555CM<\/td>\nCMOS low-power version<\/td>\n<\/tr>\n<\/table>","protected":false},"excerpt":{"rendered":"

    Product Overview NE555P from TI is the classic timer IC for astable and monostable applications. 4.5-16V, 500kHz max, 200mA output. DIP-8. Working Principle Precision timer generating accurate time delays or oscillation. Monostable: pulse width = 1.1 x R x C. Astable: frequency = 1.44\/((R1+2R2)xC). Open collector discharge transistor. Reset and control voltage pins. Pin Description […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[19,13],"tags":[],"chip_brand":[138],"class_list":["post-5375","post","type-post","status-publish","format-standard","hentry","category-analog-linear-ics","category-integrated-circuits-ics","chip_brand-ti"],"acf":{"brief_explanation":"Timer IC, 4.5-16V, DIP-8","date_code":"","package_case":"DIP-8 (9.81x6.35mm, 2.54mm pitch)","in_stock":4894,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/ne555.pdf","price":"$0.45 @ 1ku","product_introduction":"NE555P from TI is the classic timer IC for astable and monostable applications. 4.5-16V, 500kHz max, 200mA output. DIP-8.","working_principle":"Precision timer generating accurate time delays or oscillation. Monostable: pulse width = 1.1 x R x C. Astable: frequency = 1.44\/((R1+2R2)xC). Open collector discharge transistor. Reset and control voltage pins.","pin_description":"
    Pin<\/th>Name<\/th>Function<\/th><\/tr>
    1<\/td>GND<\/td>Ground<\/td><\/tr>
    2<\/td>TRIG<\/td>Trigger<\/td><\/tr>
    3<\/td>OUT<\/td>Output<\/td><\/tr>
    4<\/td>RESET<\/td>Reset (active low)<\/td><\/tr>
    5<\/td>CTRL<\/td>Control voltage<\/td><\/tr>
    6<\/td>THRESH<\/td>Threshold<\/td><\/tr>
    7<\/td>DISCH<\/td>Discharge<\/td><\/tr>
    8<\/td>VCC<\/td>4.5-16V supply<\/td><\/tr><\/table>","application_scenarios":"
    • Timing circuits<\/li>
    • Pulse generation<\/li>
    • Clock oscillators<\/li>
    • PWM controllers<\/li><\/ul>","alternative_models":"
      Mfr<\/th>Part<\/th>Notes<\/th><\/tr>
      TI<\/td>LMC555CM<\/td>CMOS low-power version<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5375","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/comments?post=5375"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5375\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=5375"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=5375"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=5375"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=5375"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}