{"id":9725,"date":"2026-07-05T09:43:46","date_gmt":"2026-07-05T09:43:46","guid":{"rendered":"https:\/\/materialparts.com\/xr-49sm20m0060-cb1p1\/"},"modified":"2026-07-05T09:43:46","modified_gmt":"2026-07-05T09:43:46","slug":"xr-49sm20m0060-cb1p1","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/xr-49sm20m0060-cb1p1\/","title":{"rendered":"XR-49SM20M0060-CB1P1"},"content":{"rendered":"<h2>\u4ea7\u54c1\u6982\u89c8<\/h2>\n<p>The XR-49SM20M0060-CB1P1 is a 20.000MHz crystal oscillator in a compact surface-mount package. Based on the part number nomenclature, this is a 49SMD-type crystal oscillator with +\/-20ppm frequency tolerance and +\/-60ppm overall stability. It provides a stable clock reference for digital systems requiring precise timing.<\/p>\n<h2>\u4e3b\u8981\u89c4\u683c<\/h2>\n<ul>\n<li>Frequency: 20.000MHz<\/li>\n<li>Frequency Tolerance: +\/-20ppm (inferred)<\/li>\n<li>Frequency Stability: +\/-60ppm (inferred)<\/li>\n<li>Output: CMOS<\/li>\n<li>Supply Voltage: 3.3V (inferred)<\/li>\n<li>Package: 49SMD (5.0 x 3.2mm typical)<\/li>\n<li>Operating Temperature: -40C to +85C (inferred)<\/li>\n<\/ul>\n<h2>\u7279\u70b9<\/h2>\n<ul>\n<li>20MHz reference clock output<\/li>\n<li>+\/-20ppm initial accuracy<\/li>\n<li>+\/-60ppm overall stability<\/li>\n<li>3.3V CMOS compatible<\/li>\n<li>Compact SMD footprint<\/li>\n<\/ul>\n<h2>\u5e94\u7528<\/h2>\n<ul>\n<li>Ethernet PHY clock reference<\/li>\n<li>USB interface timing<\/li>\n<li>Microcontroller system clock<\/li>\n<li>Industrial communication timing<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Product Overview The XR-49SM20M0060-CB1P1 is a 20.000MHz crystal oscillator in a compact surface-mount package. Based on the part number nomenclature, this is a 49SMD-type crystal oscillator with +\/-20ppm frequency tolerance and +\/-60ppm overall stability. It provides a stable clock reference for digital systems requiring precise timing. Key Specifications Frequency: 20.000MHz Frequency Tolerance: +\/-20ppm (inferred) Frequency [&hellip;]<\/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":[13,55],"tags":[989],"chip_brand":[286],"class_list":["post-9725","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-transistors","tag-xr-49sm20m0060-cb1p1","chip_brand-generic"],"acf":{"brief_explanation":"20MHz crystal oscillator, +\/-20ppm, +\/-60ppm stability, 3.3V CMOS, 49SMD, -40~85C","date_code":"","package_case":"49SMD (5.0 x 3.2mm)","in_stock":6274,"datasheet":"https:\/\/www.abracon.com\/Oscillators\/ASDK2.pdf","price":"","product_introduction":"The XR-49SM20M0060-CB1P1 is a 20MHz SMD crystal oscillator with +\/-20ppm tolerance and +\/-60ppm stability providing a stable CMOS clock reference for digital systems.","working_principle":"The oscillator integrates a 20MHz quartz crystal resonator with a CMOS driver circuit. The internal amplifier sustains oscillation and provides a clean 20MHz square-wave output. The crystal provides frequency accuracy while the CMOS output ensures compatibility with standard logic families.","pin_description":"<table><tr><th>Pin<\/th><th>Name<\/th><th>Function<\/th><\/tr><tr><td>1<\/td><td>NC\/OE<\/td><td>No connect or Output Enable<\/td><\/tr><tr><td>2<\/td><td>GND<\/td><td>Ground<\/td><\/tr><tr><td>3<\/td><td>CLK<\/td><td>Clock output (20MHz)<\/td><\/tr><tr><td>4<\/td><td>VDD<\/td><td>Power supply (3.3V)<\/td><\/tr><\/table>","application_scenarios":"<ul><li>Ethernet PHY 20MHz reference clock<\/li><li>USB interface timing<\/li><li>MCU system clock input<\/li><\/ul>","alternative_models":"<table><tr><th>Model<\/th><th>Manufacturer<\/th><th>Spec1<\/th><th>Spec2<\/th><\/tr><tr><td>ASDK2-20.000MHZ-E-T<\/td><td>Abracon<\/td><td>20MHz<\/td><td>3.3V<\/td><\/tr><tr><td>SG5032CAN 20.0000MHz<\/td><td>Epson<\/td><td>20MHz<\/td><td>3.3V<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/9725","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=9725"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/9725\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=9725"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=9725"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=9725"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=9725"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}