{"id":6656,"date":"2025-11-18T16:24:22","date_gmt":"2025-11-18T08:24:22","guid":{"rendered":"https:\/\/www.lxbchip.com\/?post_type=product&#038;p=6656"},"modified":"2026-02-02T19:20:46","modified_gmt":"2026-02-02T11:20:46","slug":"xc4vlx60-10ffg668i","status":"publish","type":"product","link":"https:\/\/www.lxbchip.com\/ru\/products\/xc4vlx60-10ffg668i\/","title":{"rendered":"XC4VLX60-10FFG668I"},"content":{"rendered":"<table id=\"table_1\" class=\"scroll display nowrap data-t data-t wpDataTable wpDataTableID-8 dataTable\" data-described-by=\"table_1_desc\" data-wpdatatable_id=\"8\" aria-describedby=\"table_1_info\">\n<thead>\n<tr>\n<th class=\"wdtheader sort expand column-modelpn sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" data-class=\"expand\" aria-controls=\"table_1\" aria-label=\" \u041c\u043e\u0434\u0435\u043b\u044c \u043f\/\u043f \u041d\u0435\u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043e\">\u041c\u041e\u0414\u0415\u041b\u042c \u041f\/\u041d<\/th>\n<th class=\"wdtheader sort column-series sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" Seriesundefined\">\u0421\u0415\u0420\u0418\u0418<\/th>\n<th class=\"wdtheader sort numdata float column-numberoflabsclbs sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" \u041a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u043b\u0430\u0431\u043e\u0440\u0430\u0442\u043e\u0440\u0438\u0439\/\u041a\u041b\u0411 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043e\">\u041a\u041e\u041b\u0418\u0427\u0415\u0421\u0422\u0412\u041e \u041b\u0410\u0411\u041e\u0420\u0410\u0422\u041e\u0420\u0418\u0419\/\u041a\u041b\u0411<\/th>\n<th class=\"wdtheader sort numdata float column-speedgrade sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" \u0413\u0440\u0430\u0434\u0443\u0441 \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u0438 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\">\u0423\u0420\u041e\u0412\u0415\u041d\u042c \u0421\u041a\u041e\u0420\u041e\u0421\u0422\u0418<\/th>\n<th class=\"wdtheader sort column-numberoflogicelementscells sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" \u041a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u043b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \/ \u044f\u0447\u0435\u0435\u043a \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043e\">\u041a\u041e\u041b\u0418\u0427\u0415\u0421\u0422\u0412\u041e \u041b\u041e\u0413\u0418\u0427\u0415\u0421\u041a\u0418\u0425 \u042d\u041b\u0415\u041c\u0415\u041d\u0422\u041e\u0412 \/ \u042f\u0427\u0415\u0415\u041a<\/th>\n<th class=\"wdtheader sort column-totalrambits sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" \u041e\u0431\u0449\u0435\u0435 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0431\u0438\u0442\u043e\u0432 \u043e\u043f\u0435\u0440\u0430\u0442\u0438\u0432\u043d\u043e\u0439 \u043f\u0430\u043c\u044f\u0442\u0438 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0435\u0442\u0441\u044f\">\u0412\u0421\u0415\u0413\u041e \u0411\u0418\u0422\u041e\u0412 \u041e\u0417\u0423<\/th>\n<th class=\"wdtheader sort numdata integer column-numberofio sorting sorting_asc\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" \u041a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0432\u0445\u043e\u0434\u043e\u0432\/\u0432\u044b\u0445\u043e\u0434\u043e\u0432 \u043d\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043e\" aria-sort=\"ascending\">\u041a\u041e\u041b\u0418\u0427\u0415\u0421\u0422\u0412\u041e \u0412\u0425\u041e\u0414\u041e\u0412\/\u0412\u042b\u0425\u041e\u0414\u041e\u0412<\/th>\n<th class=\"wdtheader sort column-voltagesupply sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" \u041d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435 - \u043f\u0438\u0442\u0430\u043d\u0438\u0435\u041d\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043e\">\u041d\u0410\u041f\u0420\u042f\u0416\u0415\u041d\u0418\u0415 - \u041f\u0418\u0422\u0410\u041d\u0418\u0415<\/th>\n<th class=\"wdtheader sort column-mountingtype sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" \u0422\u0438\u043f \u043a\u0440\u0435\u043f\u043b\u0435\u043d\u0438\u044fundefined\">\u0422\u0418\u041f \u041a\u0420\u0415\u041f\u041b\u0415\u041d\u0418\u042f<\/th>\n<th class=\"wdtheader sort column-operatingtemperature sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" \u0420\u0430\u0431\u043e\u0447\u0430\u044f \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430 \u043d\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0430\">\u0420\u0410\u0411\u041e\u0427\u0410\u042f \u0422\u0415\u041c\u041f\u0415\u0420\u0410\u0422\u0423\u0420\u0410<\/th>\n<th class=\"wdtheader sort column-packagecase sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" \u0423\u043f\u0430\u043a\u043e\u0432\u043a\u0430 \/ \u041a\u0435\u0439\u0441 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\">\u0423\u041f\u0410\u041a\u041e\u0412\u041a\u0410 \/ \u041a\u0415\u0419\u0421<\/th>\n<th class=\"wdtheader sort column-supplierdevicepackage sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" \u041f\u043e\u0441\u0442\u0430\u0432\u0449\u0438\u043a \u041f\u0430\u043a\u0435\u0442 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432undefined\">\u0423\u041f\u0410\u041a\u041e\u0412\u041a\u0410 \u0423\u0421\u0422\u0420\u041e\u0419\u0421\u0422\u0412\u0410 \u041f\u041e\u0421\u0422\u0410\u0412\u0429\u0418\u041a\u0410<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr class=\"odd\">\n<td class=\"expand column-modelpn\">XC4VLX60-10FFG668I<\/td>\n<td class=\"column-series\">Virtex-4 SX<\/td>\n<td class=\"numdata float column-numberoflabsclbs\">0,00<\/td>\n<td class=\"numdata float column-speedgrade\">0,00<\/td>\n<td class=\"column-numberoflogicelementscells\">\u2014<\/td>\n<td class=\"column-totalrambits\">\u2014<\/td>\n<td class=\"numdata integer column-numberofio sorting_1\">448<\/td>\n<td class=\"column-voltagesupply\">\u2014<\/td>\n<td class=\"column-mountingtype\">\u2014<\/td>\n<td class=\"column-operatingtemperature\">\u2014<\/td>\n<td class=\"column-packagecase\">668-FBGA \/ FCBGA<\/td>\n<td class=\"column-supplierdevicepackage\">\u2014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p data-path-to-node=\"3\"><span style=\"color: #003366;\"><strong>XC4VLX60-10FFG668I: High-Density Virtex-4 LX for Industrial Logic Applications<\/strong><\/span><\/p>\n<p data-path-to-node=\"4\">\u0421\u0430\u0439\u0442 <b data-path-to-node=\"4\" data-index-in-node=\"4\">XC4VLX60-10FFG668I<\/b> is a high-capacity FPGA designed for logic-intensive workloads within the Virtex-4 platform. With <b data-path-to-node=\"4\" data-index-in-node=\"121\">59,904 logic cells<\/b>, it offers more than double the logic resources of the LX25, making it the preferred choice for designs requiring complex state machines, large-scale bus bridging, or significant I\/O expansion.<\/p>\n<p data-path-to-node=\"5\">This specific variant features the <b data-path-to-node=\"5\" data-index-in-node=\"35\">-10 speed grade<\/b> and is binned for <b data-path-to-node=\"5\" data-index-in-node=\"69\">Industrial temperature range<\/b>, ensuring stable performance in thermally volatile environments where standard commercial silicon may drift out of spec.<\/p>\n<p data-path-to-node=\"6\"><span style=\"color: #003366;\"><strong>Core Technical Specifications<\/strong><\/span><\/p>\n<ul data-path-to-node=\"7\">\n<li>\n<p data-path-to-node=\"7,0,0\"><b data-path-to-node=\"7,0,0\" data-index-in-node=\"0\">\u041b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u044f\u0447\u0435\u0439\u043a\u0438:<\/b> 59,904<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"7,1,0\"><b data-path-to-node=\"7,1,0\" data-index-in-node=\"0\">CLB Array:<\/b> 64 x 96<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"7,2,0\"><b data-path-to-node=\"7,2,0\" data-index-in-node=\"0\">Total Block RAM:<\/b> 2,880 Kb<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"7,3,0\"><b data-path-to-node=\"7,3,0\" data-index-in-node=\"0\">DSP48 Slices:<\/b> 64<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"7,4,0\"><b data-path-to-node=\"7,4,0\" data-index-in-node=\"0\">Maximum User I\/O:<\/b> 448<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"7,5,0\"><b data-path-to-node=\"7,5,0\" data-index-in-node=\"0\">\u0423\u043f\u0430\u043a\u043e\u0432\u043a\u0430:<\/b> FFG668 (Fine-pitch Flip-Chip BGA, 1.0mm pitch, RoHS)<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"7,6,0\"><b data-path-to-node=\"7,6,0\" data-index-in-node=\"0\">\u041a\u043b\u0430\u0441\u0441 \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u0438:<\/b> -10<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"7,7,0\"><b data-path-to-node=\"7,7,0\" data-index-in-node=\"0\">Temperature Grade:<\/b> Industrial (<span class=\"math-inline\" data-math=\"-40\u00b0C\" data-index-in-node=\"31\">$-40\u00b0C$<\/span> to <span class=\"math-inline\" data-math=\"+100\u00b0C\" data-index-in-node=\"40\">$+100\u00b0C$<\/span>)<\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"8\"><strong><span style=\"color: #003366;\">Engineering Integration &amp; Hardware Notes<\/span><\/strong><\/p>\n<h4 data-path-to-node=\"9\">1. Power Distribution Network (PDN) Requirements<\/h4>\n<p data-path-to-node=\"10\">The LX60\u2019s increased logic density over smaller Virtex-4 parts means higher static and dynamic power consumption. Engineers must ensure the 1.2V <span class=\"math-inline\" data-math=\"V_{CCINT}\" data-index-in-node=\"145\">$V_{CCINT}$<\/span> rail is sufficiently decoupled. Given the 90nm architecture&#8217;s leakage characteristics at the Industrial temperature limit (<span class=\"math-inline\" data-math=\"100\u00b0C\" data-index-in-node=\"278\">$100\u00b0C$<\/span>), your thermal solution must be capable of dissipating the increased <span class=\"math-inline\" data-math=\"T_{junction}\" data-index-in-node=\"353\">$T_{junction}$<\/span> heat to prevent timing degradation.<\/p>\n<h4 data-path-to-node=\"11\">2. Configuration &amp; I\/O Banking<\/h4>\n<p data-path-to-node=\"12\">The FFG668 package provides a robust 448 user I\/Os. When assigning pins in your <code data-path-to-node=\"12\" data-index-in-node=\"80\">.ucf<\/code> file, pay close attention to the bank-specific <span class=\"math-inline\" data-math=\"V_{CCO}\" data-index-in-node=\"132\">$V_{CCO}$<\/span> requirements. The Virtex-4 SelectIO technology supports a wide range of standards (LVDS, HSTL, SSTL), but banking rules are strict\u2014mixing incompatible I\/O voltages within a single bank will lead to hardware failure or bitstream errors.<\/p>\n<h4 data-path-to-node=\"13\">3. Legacy Tooling Lifecycle<\/h4>\n<p data-path-to-node=\"14\">The XC4VLX60 is <b data-path-to-node=\"14\" data-index-in-node=\"16\">not supported by Vivado<\/b>. You must use <b data-path-to-node=\"14\" data-index-in-node=\"54\">Xilinx ISE Design Suite (14.7)<\/b>. For teams maintaining legacy codebases, ensure that your synthesis settings account for the LX60&#8217;s specific routing architecture to achieve timing closure, especially if the logic utilization exceeds 80%.<\/p>\n<hr data-path-to-node=\"15\" \/>\n<p data-path-to-node=\"16\"><strong><span style=\"color: #003366;\">Comparison: Virtex-4 LX60 vs. LX40<\/span><\/strong><\/p>\n<table data-path-to-node=\"17\">\n<thead>\n<tr>\n<td><strong>\u0425\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0430<\/strong><\/td>\n<td><strong>XC4VLX60-10FFG668I<\/strong><\/td>\n<td><strong>XC4VLX40-10FFG668I<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"17,1,0,0\"><b data-path-to-node=\"17,1,0,0\" data-index-in-node=\"0\">\u041b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u044f\u0447\u0435\u0439\u043a\u0438<\/b><\/span><\/td>\n<td><span data-path-to-node=\"17,1,1,0\"><b data-path-to-node=\"17,1,1,0\" data-index-in-node=\"0\">59,904<\/b><\/span><\/td>\n<td><span data-path-to-node=\"17,1,2,0\">41,472<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"17,2,0,0\"><b data-path-to-node=\"17,2,0,0\" data-index-in-node=\"0\">\u0411\u043b\u043e\u043a \u043e\u043f\u0435\u0440\u0430\u0442\u0438\u0432\u043d\u043e\u0439 \u043f\u0430\u043c\u044f\u0442\u0438<\/b><\/span><\/td>\n<td><span data-path-to-node=\"17,2,1,0\"><b data-path-to-node=\"17,2,1,0\" data-index-in-node=\"0\">2,880 Kb<\/b><\/span><\/td>\n<td><span data-path-to-node=\"17,2,2,0\">1,728 Kb<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"17,3,0,0\"><b data-path-to-node=\"17,3,0,0\" data-index-in-node=\"0\">DSP48 Slices<\/b><\/span><\/td>\n<td><span data-path-to-node=\"17,3,1,0\"><b data-path-to-node=\"17,3,1,0\" data-index-in-node=\"0\">64<\/b><\/span><\/td>\n<td><span data-path-to-node=\"17,3,2,0\">64<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"17,4,0,0\"><b data-path-to-node=\"17,4,0,0\" data-index-in-node=\"0\">\u041f\u0430\u043a\u0435\u0442<\/b><\/span><\/td>\n<td><span data-path-to-node=\"17,4,1,0\">FFG668 (1.0mm)<\/span><\/td>\n<td><span data-path-to-node=\"17,4,2,0\">FFG668 (1.0mm)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr data-path-to-node=\"18\" \/>\n<p data-path-to-node=\"19\"><strong><span style=\"color: #003366;\">Hardware Engineer\u2019s FAQ<\/span><\/strong><\/p>\n<p data-path-to-node=\"20\"><b data-path-to-node=\"20\" data-index-in-node=\"0\">Can I replace an XC4VLX60-10FFG668C with this Industrial &#8216;I&#8217; grade part?<\/b><\/p>\n<p data-path-to-node=\"20\">Yes. The &#8216;I&#8217; grade is a drop-in, superior replacement for the &#8216;C&#8217; (Commercial) grade. It maintains the same electrical characteristics and timing models while extending the operational temperature window.<\/p>\n<p data-path-to-node=\"21\"><b data-path-to-node=\"21\" data-index-in-node=\"0\">What is the advantage of the FFG668 package for the LX60?<\/b><\/p>\n<p data-path-to-node=\"21\">The &#8220;FF&#8221; (Flip-Chip) package provides significantly lower lead inductance compared to wire-bond alternatives. For the LX60, this is crucial for maintaining signal integrity across the 448 user I\/Os, especially when switching high-speed differential signals.<\/p>\n<p data-path-to-node=\"22\"><b data-path-to-node=\"22\" data-index-in-node=\"0\">Is this part RoHS compliant?<\/b><\/p>\n<p data-path-to-node=\"22\">Yes, the &#8220;G&#8221; in FFG668 indicates Lead-Free\/RoHS compliance. If your assembly process requires leaded solder, ensure your reflow profile is adjusted for the higher melting point of the lead-free SAC305 balls on the component.<\/p>\n<hr data-path-to-node=\"23\" \/>\n<p data-path-to-node=\"24\"><b data-path-to-node=\"24\" data-index-in-node=\"0\">Need a technical datasheet or a verified quote for MRO?<\/b><\/p>\n<p data-path-to-node=\"24\">We specialize in sourcing mature-market Xilinx silicon with full traceability. We understand that for industrial infrastructure, &#8220;New and Original&#8221; is a requirement, not a luxury.<\/p>\n<p data-path-to-node=\"25\">Would you like me to pull the specific power-on surge current specs for the LX60 to help you validate your voltage regulator selection?<\/p>\n<p data-path-to-node=\"25\"><a href=\"https:\/\/www.lxbchip.com\/ru\/contact-us\/\">\u0421\u0432\u044f\u0437\u0430\u0442\u044c\u0441\u044f \u0441 LXB Semicon<\/a>\u00a0for availability, pricing, and technical support.<\/p>","protected":false},"excerpt":{"rendered":"<p><strong>\u041f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c:<\/strong> Xilinx<br \/>\n<strong>\u041b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u044f\u0447\u0435\u0439\u043a\u0438:<\/strong> 59,904<br \/>\n<strong>\u041b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0441\u0440\u0435\u0437\u044b:<\/strong> 26,624<br \/>\n<strong>\u0412\u0441\u0442\u0440\u043e\u0435\u043d\u043d\u0430\u044f \u043e\u043f\u0435\u0440\u0430\u0442\u0438\u0432\u043d\u0430\u044f \u043f\u0430\u043c\u044f\u0442\u044c (eRAM):<\/strong> 2,592 Kb (144 \u00d7 18Kb Block RAM)<br \/>\n<strong>\u0423\u043f\u0430\u043a\u043e\u0432\u043a\u0430:<\/strong> FFG668 (Flip-Chip BGA)<br \/>\n<strong>\u0420\u0430\u0431\u043e\u0447\u0430\u044f \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430:<\/strong> \u041f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u044b\u0435 (\u043e\u0442 -40\u00b0C \u0434\u043e +100\u00b0C)<\/p>","protected":false},"featured_media":6130,"template":"","meta":{"_acf_changed":false,"jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"product_brand":[],"product_cat":[21],"product_tag":[],"class_list":{"0":"post-6656","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-xilinx","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"acf":[],"aioseo_notices":[],"jetpack_publicize_connections":[],"_links":{"self":[{"href":"https:\/\/www.lxbchip.com\/ru\/wp-json\/wp\/v2\/product\/6656","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lxbchip.com\/ru\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.lxbchip.com\/ru\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lxbchip.com\/ru\/wp-json\/wp\/v2\/media\/6130"}],"wp:attachment":[{"href":"https:\/\/www.lxbchip.com\/ru\/wp-json\/wp\/v2\/media?parent=6656"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.lxbchip.com\/ru\/wp-json\/wp\/v2\/product_brand?post=6656"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.lxbchip.com\/ru\/wp-json\/wp\/v2\/product_cat?post=6656"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.lxbchip.com\/ru\/wp-json\/wp\/v2\/product_tag?post=6656"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}