{"id":10370,"date":"2026-07-19T12:47:31","date_gmt":"2026-07-19T12:47:31","guid":{"rendered":"https:\/\/ic-vendor.com\/vxa4-1115-4m194304\/"},"modified":"2026-07-19T12:47:31","modified_gmt":"2026-07-19T12:47:31","slug":"vxa4-1115-4m194304","status":"publish","type":"post","link":"https:\/\/ic-vendor.com\/ar\/vxa4-1115-4m194304\/","title":{"rendered":"VXA4-1115-4M194304"},"content":{"rendered":"

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

The VXA4-1115-4M194304 is a 4.194304MHz crystal oscillator from Vectron’s VXA4 series. This specific frequency (2^22 Hz) is the standard reference for real-time clock (RTC) circuits, providing an exact 1Hz output when divided by 2^22, making it the canonical RTC oscillator frequency.<\/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
Frequency<\/td>\n4.194304MHz (2^22 Hz)<\/td>\n<\/tr>\n
\u0646\u0648\u0639 \u0627\u0644\u0625\u062e\u0631\u0627\u062c<\/td>\nCMOS<\/td>\n<\/tr>\n
Frequency Stability<\/td>\n\u00b125ppm to \u00b150ppm (typical)<\/td>\n<\/tr>\n
\u062c\u0647\u062f \u0627\u0644\u0625\u0645\u062f\u0627\u062f<\/td>\n5V or 3.3V (series dependent)<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\n5×3.2mm SMD (typical VXA4)<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n-40 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u0625\u0644\u0649 +85 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629<\/td>\n<\/tr>\n
\u0627\u0644\u0634\u0631\u0643\u0629 \u0627\u0644\u0645\u0635\u0646\u0639\u0629<\/td>\nVectron \/ Rakon<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • Standard RTC reference frequency (2^22 Hz)<\/li>\n
  • Divides to exact 1Hz for timekeeping<\/li>\n
  • CMOS output with low jitter<\/li>\n
  • High frequency stability for accurate timekeeping<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • Real-time clock (RTC) reference<\/li>\n
    • Timekeeping and calendar circuits<\/li>\n
    • Watchdog timer precision reference<\/li>\n
    • Interval and duration measurement<\/li>\n
    • Industrial timing and scheduling<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The VXA4-1115-4M194304 is a 4.194304MHz crystal oscillator from Vectron’s VXA4 series. This specific frequency (2^22 Hz) is the standard reference for real-time clock (RTC) circuits, providing an exact 1Hz output when divided by 2^22, making it the canonical RTC oscillator frequency. Key Specifications Frequency 4.194304MHz (2^22 Hz) Output Type CMOS Frequency Stability \u00b125ppm […]<\/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":[65,60],"tags":[1665,1670,1669],"chip_brand":[1663],"class_list":["post-10370","post","type-post","status-publish","format-standard","hentry","category-crystals-oscillators","category-passive-components","tag-crystal-oscillator","tag-rtc","tag-vxa4-1115-4m194304","chip_brand-vectron"],"acf":{"brief_explanation":"4.194304MHz CMOS Crystal Osc (2^22 Hz, RTC ref), 5x3.2mm SMD","date_code":"","package_case":"5.0 x 3.2mm, SMD","in_stock":1900,"datasheet":"https:\/\/www.rakon.com\/products\/crystal-oscillators","price":"","product_introduction":"The VXA4-1115-4M194304 is a 4.194304MHz crystal oscillator from Vectron's VXA4 series. This frequency equals exactly 2^22 Hz, which when divided by a 22-stage binary counter yields an exact 1Hz tick \u2014 the fundamental timebase for real-time clock (RTC) circuits. This makes it the standard reference oscillator for timekeeping applications in embedded systems, industrial controllers, and communication equipment.","working_principle":"The 4.194304MHz oscillator provides a frequency that is exactly 2^22 (4,194,304) cycles per second. When this signal is fed into a 22-stage binary ripple counter (dividing by 2^22), the output is exactly 1Hz \u2014 one pulse per second. This 1Hz signal drives the seconds counter of an RTC, which then cascades to minutes, hours, days, and calendar functions. The high Q-factor of the quartz crystal ensures that the 4.194304MHz frequency maintains excellent long-term stability, critical for accurate timekeeping.","pin_description":"
      Pin<\/th>Function<\/th><\/tr>
      1<\/td>Output Enable \/ NC<\/td><\/tr>
      2<\/td>Ground (GND)<\/td><\/tr>
      3<\/td>Clock Output<\/td><\/tr>
      4<\/td>Power Supply (VCC)<\/td><\/tr><\/table>","application_scenarios":"
      • Real-time clock (RTC) chip reference oscillator<\/li>
      • Embedded system timekeeping and calendar<\/li>
      • Industrial timing and scheduling systems<\/li>
      • Precision interval and duration measurement<\/li>
      • Communication equipment time-of-day clock<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Freq<\/th>Notes<\/th><\/tr>
        Abracon<\/td>ASFL-4.194304MHZ-EC-T<\/td>4.194304MHz<\/td>3.2x2.5mm CMOS RTC osc<\/td><\/tr>
        TXC<\/td>7M-4.194304MAAJ-T<\/td>4.194304MHz<\/td>3.2x2.5mm CMOS<\/td><\/tr>
        ECS<\/td>ECS-4194-304-5PXDN-TR<\/td>4.194304MHz<\/td>2.5x2.0mm CMOS<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/posts\/10370","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/comments?post=10370"}],"version-history":[{"count":0,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/posts\/10370\/revisions"}],"wp:attachment":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/media?parent=10370"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/categories?post=10370"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/tags?post=10370"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=10370"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}