{"id":7085,"date":"2026-06-23T03:36:37","date_gmt":"2026-06-23T03:36:37","guid":{"rendered":"https:\/\/materialparts.com\/dp83620sq\/"},"modified":"2026-06-23T03:36:37","modified_gmt":"2026-06-23T03:36:37","slug":"dp83620sq","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/dp83620sq\/","title":{"rendered":"DP83620SQ"},"content":{"rendered":"

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The DP83620SQ from Texas Instruments is a precision PHYTER 10\/100 Ethernet PHY transceiver with IEEE 1588 PTP hardware timestamping, designed for industrial and time-sensitive networking applications. In a QFP-48 package, it provides sub-nanosecond timestamp accuracy for precise time synchronization in measurement, automation, and telecom systems.<\/p>\n

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Speed<\/td>\n10\/100 Mbps<\/td>\n<\/tr>\n
MAC Interface<\/td>\nMII \/ RMII<\/td>\n<\/tr>\n
IEEE 1588<\/td>\nHardware timestamp (PTP)<\/td>\n<\/tr>\n
Timestamp Accuracy<\/td>\n< 8 ns (typical)<\/td>\n<\/tr>\n
\u062c\u0647\u062f \u0627\u0644\u0625\u0645\u062f\u0627\u062f<\/td>\n3.3V (I\/O: 2.5V\/3.3V)<\/td>\n<\/tr>\n
Auto-MDIX<\/td>\nYes<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n-40C to +85C<\/td>\n<\/tr>\n<\/table>\n

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    \n
  • IEEE 1588-2002 hardware timestamping with sub-8ns accuracy<\/li>\n
  • Layer 1 and Layer 2 timestamping support<\/li>\n
  • Auto-negotiation and auto-MDIX<\/li>\n
  • MII and RMII MAC interface<\/li>\n
  • Integrated cable diagnostics and loopback test<\/li>\n
  • Energy efficient power management modes<\/li>\n<\/ul>\n

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      \n
    • Industrial automation and time-sensitive networking<\/li>\n
    • Telecom base station timing and synchronization<\/li>\n
    • Power grid measurement and protection<\/li>\n
    • Test and measurement equipment<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The DP83620SQ from Texas Instruments is a precision PHYTER 10\/100 Ethernet PHY transceiver with IEEE 1588 PTP hardware timestamping, designed for industrial and time-sensitive networking applications. In a QFP-48 package, it provides sub-nanosecond timestamp accuracy for precise time synchronization in measurement, automation, and telecom systems. Key Specifications Speed 10\/100 Mbps MAC Interface MII […]<\/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":[13,20],"tags":[],"chip_brand":[138],"class_list":["post-7085","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-interface-ics","chip_brand-ti"],"acf":{"brief_explanation":"10\/100 Ethernet PHY, IEEE 1588 PTP hardware timestamp, <8ns, MII\/RMII, LQFP-48, -40 to +85C","date_code":"","package_case":"LQFP-48 (7.0 x 7.0 x 1.4 mm)","in_stock":2800,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/dp83620.pdf","price":"$4.50 @ 1ku","product_introduction":"The DP83620SQ from Texas Instruments is a precision PHYTER 10\/100 Ethernet PHY transceiver with IEEE 1588-2002 Precision Time Protocol (PTP) hardware timestamping. The device provides sub-8ns timestamp accuracy for both transmit and receive packets, enabling precise time synchronization in distributed measurement, automation, and telecom systems. The timestamping engine supports both Layer 1 (physical layer) and Layer 2 event message timestamping. Standard features include MII\/RMII MAC interface, auto-negotiation, auto-MDIX, cable diagnostics, and loopback testing. The device operates from 3.3V with 2.5V or 3.3V I\/O compatibility.","working_principle":"The DP83620SQ integrates a 10\/100 Ethernet PHY with a precision IEEE 1588 timestamping engine. (1) Ethernet PHY: Standard 10BASE-T and 100BASE-TX transceiver with auto-negotiation and auto-MDIX, handling physical layer encoding\/decoding and line driving\/receiving. (2) IEEE 1588 Timestamp: A hardware timestamp counter (TSC) runs at the local clock frequency. When a PTP event message is detected (SOF or EOF), the current TSC value is captured with sub-8ns accuracy. The timestamp is stored in dedicated registers accessible via the MII management interface. (3) Clock Synchronization: The device supports both coarse and servo-assisted fine timestamp adjustment. An external 1PPS input\/output allows synchronization to GPS or atomic clock references. (4) Correction: The timestamp correction register compensates for cable delay, PHY latency, and other systematic offsets.","pin_description":"
      Pin Group<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1,2<\/td>TXP\/TXN<\/td>Analog<\/td>Differential transmit pair<\/td><\/tr>
      3,4<\/td>RXP\/RXN<\/td>Analog<\/td>Differential receive pair<\/td><\/tr>
      5<\/td>MII\/RMII<\/td>I\/O<\/td>MAC interface data and control<\/td><\/tr>
      6<\/td>MDC\/MDIO<\/td>I\/O<\/td>Management interface<\/td><\/tr>
      7<\/td>1PPS<\/td>I\/O<\/td>Precision 1 pulse-per-second<\/td><\/tr>
      8<\/td>CLK_OUT<\/td>Output<\/td>Programmable clock output<\/td><\/tr>
      9<\/td>X1\/X2<\/td>I\/O<\/td>25MHz crystal interface<\/td><\/tr><\/table>","application_scenarios":"
      • Industrial automation time-sensitive networking with IEEE 1588 PTP synchronization<\/li>
      • Telecom base station timing and synchronization with 1PPS I\/O<\/li>
      • Power grid measurement and protection relay with sub-8ns timestamp accuracy<\/li>
      • Test and measurement equipment requiring precise event correlation<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        TI<\/td>DP83867IR<\/td>QFN-48<\/td>Gigabit with 1588 timestamp<\/td><\/tr>
        TI<\/td>DP83822IFRHBT<\/td>VQFN-32<\/td>10\/100 industrial, no 1588<\/td><\/tr>
        Microchip<\/td>KSZ8463MLI<\/td>LQFP-128<\/td>3-port switch with 1588<\/td><\/tr>
        Marvell<\/td>88E1510-A0<\/td>QFN-40<\/td>Gigabit with 1588<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/7085","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=7085"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/7085\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=7085"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=7085"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=7085"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=7085"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}