{"id":6613,"date":"2026-06-18T15:38:30","date_gmt":"2026-06-18T15:38:30","guid":{"rendered":"https:\/\/materialparts.com\/ne555p-2\/"},"modified":"2026-06-18T15:38:30","modified_gmt":"2026-06-18T15:38:30","slug":"ne555p-2","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/ne555p-2\/","title":{"rendered":"NE555P"},"content":{"rendered":"

\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n

The NE555P from Texas Instruments is the industry-standard single precision timer IC. It can be configured in astable (oscillator) or monostable (one-shot) mode, generating time delays from microseconds to hours. Packaged in a PDIP-8 through-hole package, the NE555P operates from 4.5V to 16V and can source or sink up to 200 mA, making it one of the most versatile and widely used analog ICs in electronics.<\/p>\n

\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n
\u0646\u0637\u0627\u0642 \u062c\u0647\u062f \u0627\u0644\u0625\u0645\u062f\u0627\u062f<\/td>\n4.5V to 16V<\/td>\n<\/tr>\n
\u062a\u064a\u0627\u0631 \u0627\u0644\u0625\u062e\u0631\u0627\u062c<\/td>\n200 mA (source or sink)<\/td>\n<\/tr>\n
Timing Range<\/td>\nMicroseconds to hours<\/td>\n<\/tr>\n
Frequency (Astable)<\/td>\nUp to 500 kHz<\/td>\n<\/tr>\n
Initial Timing Accuracy<\/td>\n1% (typical)<\/td>\n<\/tr>\n
Temperature Drift<\/td>\n50 ppm\/\u00b0C (typical)<\/td>\n<\/tr>\n
Trigger Voltage<\/td>\n1\/3 VCC (typical)<\/td>\n<\/tr>\n
Threshold Voltage<\/td>\n2\/3 VCC (typical)<\/td>\n<\/tr>\n
Reset Voltage<\/td>\n0.5V (max)<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n0\u00b0C to +70\u00b0C<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\nPDIP-8<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • Astable mode: free-running oscillator with adjustable duty cycle<\/li>\n
  • Monostable mode: precision one-shot timer<\/li>\n
  • High output current: 200 mA source\/sink capability<\/li>\n
  • Adjustable duty cycle from near-0% to near-100%<\/li>\n
  • Active-low reset pin for timing interruption<\/li>\n
  • Internal voltage divider sets 1\/3 and 2\/3 VCC thresholds<\/li>\n
  • Wide supply range: 4.5V to 16V<\/li>\n
  • Direct LED, relay, and speaker drive capability<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • Timer and delay circuits for industrial control<\/li>\n
    • Pulse generation and clock sources<\/li>\n
    • LED flasher and PWM dimmer circuits<\/li>\n
    • Tone generator and alarm circuits<\/li>\n
    • Power-up sequencing and watchdog timers<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The NE555P from Texas Instruments is the industry-standard single precision timer IC. It can be configured in astable (oscillator) or monostable (one-shot) mode, generating time delays from microseconds to hours. Packaged in a PDIP-8 through-hole package, the NE555P operates from 4.5V to 16V and can source or sink up to 200 mA, making […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13],"tags":[],"chip_brand":[138],"class_list":["post-6613","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","chip_brand-ti"],"acf":{"brief_explanation":"Precision timer, 4.5-16V, 200mA output, astable\/monostable, PDIP-8","date_code":"","package_case":"PDIP-8 (9.81\u00d76.35 mm, 2.54mm pitch, through-hole)","in_stock":11650,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/ne555.pdf","price":"$0.32 @ 1ku","product_introduction":"The NE555P from Texas Instruments is the iconic industry-standard precision timer IC. Configurable in astable (oscillator) or monostable (one-shot) mode, it generates accurate time delays from microseconds to hours. With 200 mA output drive capability, 4.5-16V supply range, and easy external component configuration, the NE555P remains one of the most versatile and widely used analog ICs for timing, oscillation, and pulse generation applications.","working_principle":"The NE555P contains two comparators, an SR flip-flop, a discharge transistor, and a resistive voltage divider (three 5k\u03a9 resistors in series, hence the name). The voltage divider sets the upper comparator threshold at 2\/3 VCC and the lower comparator trigger at 1\/3 VCC. In monostable mode, a trigger pulse below 1\/3 VCC sets the flip-flop, driving the output HIGH and turning off the discharge transistor. The timing capacitor charges through the external resistor until it reaches 2\/3 VCC, which resets the flip-flop. In astable mode, the capacitor charges and discharges between 1\/3 and 2\/3 VCC continuously, producing a free-running oscillation.","pin_description":"\n
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>\n
      1<\/td>GND<\/td>Power<\/td>Ground<\/td><\/tr>\n
      2<\/td>TRIG<\/td>Input<\/td>Trigger (active below 1\/3 VCC)<\/td><\/tr>\n
      3<\/td>OUT<\/td>Output<\/td>Output (200 mA drive capability)<\/td><\/tr>\n
      4<\/td>RESET<\/td>Input<\/td>Reset (active-low, overrides all other inputs)<\/td><\/tr>\n
      5<\/td>CTRL<\/td>I\/O<\/td>Control voltage (bypass with 0.01\u00b5F for noise immunity)<\/td><\/tr>\n
      6<\/td>THRESH<\/td>Input<\/td>Threshold (active above 2\/3 VCC)<\/td><\/tr>\n
      7<\/td>DISCH<\/td>Output<\/td>Discharge (open collector, connects timing cap to GND)<\/td><\/tr>\n
      8<\/td>VCC<\/td>Power<\/td>Supply voltage (4.5-16V)<\/td><\/tr>\n<\/table>","application_scenarios":"
        \n
      • Monostable timer circuits for delay and pulse-width generation<\/li>\n
      • Astable oscillator for clock generation and PWM signals<\/li>\n
      • LED flasher circuits with adjustable frequency and duty cycle<\/li>\n
      • Tone and alarm generator circuits for audio alerting<\/li>\n
      • Power-up delay and watchdog timer in embedded systems<\/li>\n<\/ul>","alternative_models":"\n
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>\n
        TI<\/td>NA555P<\/td>PDIP-8<\/td>Higher temperature range version<\/td><\/tr>\n
        TI<\/td>SA555P<\/td>PDIP-8<\/td>Automotive qualified version<\/td><\/tr>\n
        TI<\/td>LMC555CN<\/td>PDIP-8<\/td>CMOS version, 1.5V-15V, low power<\/td><\/tr>\n
        ON Semiconductor<\/td>NE555P<\/td>PDIP-8<\/td>Direct equivalent from onsemi<\/td><\/tr>\n
        TI<\/td>TLC555CP<\/td>PDIP-8<\/td>CMOS version, 2MHz max, low power<\/td><\/tr>\n<\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/6613","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/comments?post=6613"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/6613\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=6613"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=6613"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=6613"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=6613"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}