{"id":2978,"date":"2026-05-29T00:35:04","date_gmt":"2026-05-29T00:35:04","guid":{"rendered":"https:\/\/materialparts.com\/sn65hvd10dr\/"},"modified":"2026-05-29T00:35:04","modified_gmt":"2026-05-29T00:35:04","slug":"sn65hvd10dr","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/sn65hvd10dr\/","title":{"rendered":"SN65HVD10DR"},"content":{"rendered":"

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

The SN65HVD10DR from Texas Instruments is an RS-485\/RS-422 transceiver designed for half-duplex communication over balanced transmission lines. With a 1\/8 unit load, it supports up to 256 nodes on a single bus. The device operates from a single 3.3V supply, supports data rates up to 10Mbps, and provides robust ESD protection. It is housed in an 8-pin SOIC package.<\/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
Category<\/td>\nRS-485\/RS-422 Transceiver<\/td>\n<\/tr>\n
Operating Mode<\/td>\nHalf-Duplex<\/td>\n<\/tr>\n
\u062c\u0647\u062f \u0627\u0644\u0625\u0645\u062f\u0627\u062f<\/td>\n3.3V<\/td>\n<\/tr>\n
\u0645\u0639\u062f\u0644 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a<\/td>\nUp to 10 Mbps<\/td>\n<\/tr>\n
Unit Load<\/td>\n1\/8 (256 nodes per bus)<\/td>\n<\/tr>\n
Common-Mode Range<\/td>\n-7V ~ 12V<\/td>\n<\/tr>\n
ESD Protection<\/td>\n\u00b116kV HBM on bus pins<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n-40\u00b0C ~ 85\u00b0C<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\n8-SOIC<\/td>\n<\/tr>\n
\u062d\u0627\u0644\u0629 \u0627\u0644\u062c\u0632\u0621<\/td>\n\u0646\u0634\u0637<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • 3.3V single supply operation<\/li>\n
  • 1\/8 unit load allows up to 256 nodes on the bus<\/li>\n
  • Data rates up to 10Mbps for high-speed applications<\/li>\n
  • Extended common-mode range: -7V to 12V<\/li>\n
  • \u00b116kV HBM ESD protection on bus pins<\/li>\n
  • Driver and receiver enable pins for flexible control<\/li>\n
  • Thermal shutdown and current limiting protection<\/li>\n
  • Fail-safe receiver for open-circuit conditions<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • Industrial automation and process control<\/li>\n
    • Building automation and HVAC systems<\/li>\n
    • Motor drive and inverter communication<\/li>\n
    • Utility metering and smart grid<\/li>\n
    • Security and access control systems<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The SN65HVD10DR from Texas Instruments is an RS-485\/RS-422 transceiver designed for half-duplex communication over balanced transmission lines. With a 1\/8 unit load, it supports up to 256 nodes on a single bus. The device operates from a single 3.3V supply, supports data rates up to 10Mbps, and provides robust ESD protection. It is […]<\/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":[13,20],"tags":[],"chip_brand":[138],"class_list":["post-2978","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-interface-ics","chip_brand-ti"],"acf":{"brief_explanation":"3.3V RS-485\/RS-422 half-duplex transceiver, 10Mbps, 1\/8 unit load (256 nodes), 8-SOIC","date_code":"","package_case":"8-SOIC (3.9x4.9mm)","in_stock":13705,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/sn65hvd10.pdf","price":".20 @ 1ku","product_introduction":"The SN65HVD10DR is a 3.3V-powered RS-485\/RS-422 half-duplex transceiver from Texas Instruments designed for balanced data transmission over long cables. With its 1\/8 unit load rating, up to 256 devices can share a single RS-485 bus without exceeding the 32-unit-load limit. The device supports data rates up to 10Mbps, making it suitable for high-speed industrial communication protocols. The extended common-mode range of -7V to 12V provides excellent noise immunity in electrically harsh environments. The driver features thermal shutdown and current-limiting protection against short circuits. The receiver includes a fail-safe feature that ensures a logic-high output when the inputs are open or shorted.","working_principle":"The SN65HVD10DR converts single-ended TTL\/CMOS logic signals to differential RS-485\/RS-422 signals for noise-immune transmission over balanced twisted-pair cables. The driver takes a single-ended input (D) and produces complementary outputs (A, B) with controlled slew rate. The \u00afRE pin enables the receiver, which senses the differential voltage between A and B and outputs the corresponding logic level on R. The DE pin enables the driver. In half-duplex mode, only one device drives the bus at a time. The 1\/8 unit load design reduces bus loading, allowing more nodes on the same network. The differential signaling rejects common-mode noise, enabling reliable communication over long cable runs.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Description<\/th><\/tr>
      1<\/td>R<\/td>O<\/td>Receiver output<\/td><\/tr>
      2<\/td>\u00afRE<\/td>I<\/td>Receiver enable (active low)<\/td><\/tr>
      3<\/td>DE<\/td>I<\/td>Driver enable (active high)<\/td><\/tr>
      4<\/td>D<\/td>I<\/td>Driver input<\/td><\/tr>
      5<\/td>GND<\/td>GND<\/td>Ground<\/td><\/tr>
      6<\/td>A<\/td>I\/O<\/td>Bus non-inverting I\/O<\/td><\/tr>
      7<\/td>B<\/td>I\/O<\/td>Bus inverting I\/O<\/td><\/tr>
      8<\/td>VCC<\/td>PWR<\/td>Supply voltage (3.3V)<\/td><\/tr><\/table>","application_scenarios":"
      • Modbus RTU<\/b>: RS-485 transceiver for industrial Modbus communication at up to 10Mbps<\/li>
      • Motor Control<\/b>: Inverter-to-encoder communication in servo and stepper drives<\/li>
      • Smart Metering<\/b>: Utility meter data collection via RS-485 bus with 256-node capacity<\/li>
      • Building HVAC<\/b>: BACnet MS\/TP communication for HVAC controllers and sensors<\/li>
      • Security Systems<\/b>: Access control and surveillance camera PTZ control over long cable runs<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Key Difference<\/th><\/tr>
        SN65HVD11DR<\/td>Texas Instruments<\/td>Full-duplex version, 14-SOIC<\/td><\/tr>
        SP3485EN<\/td>Sipex\/Exar<\/td>3.3V, half-duplex, 10Mbps, pin-compatible<\/td><\/tr>
        MAX3485ECSA<\/td>Analog Devices<\/td>3.3V RS-485, 12Mbps, 8-SOIC<\/td><\/tr>
        THVD1500DR<\/td>Texas Instruments<\/td>5V version, enhanced ESD, pin-compatible<\/td><\/tr>
        ADM3485EARZ<\/td>Analog Devices<\/td>3.3V, 12Mbps, 8-SOIC, similar specs<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/2978","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=2978"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/2978\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=2978"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=2978"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=2978"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=2978"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}