{"id":5545,"date":"2026-06-11T02:51:45","date_gmt":"2026-06-11T02:51:45","guid":{"rendered":"https:\/\/materialparts.com\/ksz8091rnaia-tr\/"},"modified":"2026-06-11T02:51:45","modified_gmt":"2026-06-11T02:51:45","slug":"ksz8091rnaia-tr","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/ksz8091rnaia-tr\/","title":{"rendered":"KSZ8091RNAIA-TR"},"content":{"rendered":"

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

The KSZ8091RNAIA-TR from Microchip is a single-supply 10Base-T\/100Base-TX Ethernet PHY transceiver with RMII interface, Wake-on-LAN, on-chip termination, and LinkMD cable diagnostics in a compact 24-pin QFN package.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n
Speed<\/td>\n10\/100 Mbps<\/td>\n<\/tr>\n
Interface<\/td>\nRMII v1.2<\/td>\n<\/tr>\n
Supply<\/td>\n3.3V<\/td>\n<\/tr>\n
WoL<\/td>\nYes (Magic Packet)<\/td>\n<\/tr>\n
Auto MDI-X<\/td>\nYes<\/td>\n<\/tr>\n
On-chip Term<\/td>\nYes<\/td>\n<\/tr>\n
EEE<\/td>\nYes (802.3az)<\/td>\n<\/tr>\n
Temp<\/td>\n-40~85C<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • 10\/100 Ethernet PHY with RMII<\/li>\n
  • Wake-on-LAN with magic packet<\/li>\n
  • On-chip termination resistors<\/li>\n
  • Built-in 1.2V regulator for core<\/li>\n
  • HP Auto MDI\/MDI-X<\/li>\n
  • LinkMD TDR cable diagnostics<\/li>\n
  • Flexible 1.8\/2.5\/3.3V digital I\/O<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Industrial Ethernet<\/li>\n
    • IoT gateways<\/li>\n
    • Embedded networking<\/li>\n
    • Network printers<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The KSZ8091RNAIA-TR from Microchip is a single-supply 10Base-T\/100Base-TX Ethernet PHY transceiver with RMII interface, Wake-on-LAN, on-chip termination, and LinkMD cable diagnostics in a compact 24-pin QFN package. Key Specifications Speed 10\/100 Mbps Interface RMII v1.2 Supply 3.3V WoL Yes (Magic Packet) Auto MDI-X Yes On-chip Term Yes EEE Yes (802.3az) Temp -40~85C Features […]<\/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":[134],"class_list":["post-5545","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-interface-ics","chip_brand-microchip"],"acf":{"brief_explanation":"10\/100 Ethernet PHY, RMII, Wake-on-LAN, QFN-24, IEEE 802.3","date_code":"","package_case":"QFN-24 (4x4mm)","in_stock":3679,"datasheet":"https:\/\/www.microchip.com\/en-us\/product\/KSZ8091","price":"$2.20 @ 1ku","product_introduction":"The KSZ8091RNAIA-TR from Microchip is a single-supply 10Base-T\/100Base-TX Ethernet PHY transceiver with RMII interface, Wake-on-LAN, on-chip termination, and LinkMD cable diagnostics in a compact 24-pin QFN package.","working_principle":"Physical layer transceiver that encodes\/decodes Ethernet frames between RMII MAC interface and twisted-pair cable. Auto-negotiation selects best speed\/duplex. On-chip termination reduces BOM. LinkMD provides TDR-based cable fault detection.","pin_description":"
      Pin Group<\/th>Function<\/th><\/tr>
      1-8<\/td>RMII data interface<\/td><\/tr>
      9-12<\/td>MDC\/MDIO management<\/td><\/tr>
      13-16<\/td>TX+\/-, RX+\/- differential pairs<\/td><\/tr>
      17-20<\/td>VDD, GND, references<\/td><\/tr>
      21-24<\/td>Config straps, LED, IRQ<\/td><\/tr><\/table>","application_scenarios":"
    • Industrial Ethernet<\/li>
    • IoT gateways<\/li>
    • Embedded networking<\/li>
    • Network printers<\/li>","alternative_models":"
      Model<\/th>Brand<\/th>Diff<\/th><\/tr>
      KSZ8081RNAIA<\/td>Microchip<\/td>No WoL<\/td><\/tr>
      DP83848JVVB<\/td>TI<\/td>Similar PHY<\/td><\/tr>
      LAN8720A<\/td>Microchip<\/td>RMII only, smaller<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5545","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=5545"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5545\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=5545"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=5545"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=5545"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=5545"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}