{"id":6650,"date":"2025-11-18T16:17:00","date_gmt":"2025-11-18T08:17:00","guid":{"rendered":"https:\/\/www.lxbchip.com\/?post_type=product&#038;p=6650"},"modified":"2026-01-29T19:06:04","modified_gmt":"2026-01-29T11:06:04","slug":"xc4vlx25-11sfg363i","status":"publish","type":"product","link":"https:\/\/www.lxbchip.com\/ar\/products\/xc4vlx25-11sfg363i\/","title":{"rendered":"XC4VLX25-11SFG363I"},"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=\" \u0627\u0644\u0637\u0631\u0627\u0632 P\/N\u063a\u064a\u0631 \u0645\u062d\u062f\u062f\">\u0627\u0644\u0637\u0631\u0627\u0632 P\/N<\/th>\n<th class=\"wdtheader sort column-series sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" \u0627\u0644\u0633\u0644\u0633\u0644\u0629\u0645\u062d\u062f\u062f\">\u0627\u0644\u0633\u0644\u0633\u0644\u0629<\/th>\n<th class=\"wdtheader sort numdata float column-numberoflabsclbs sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" \u0639\u062f\u062f \u0648\u062d\u062f\u0627\u062a LABs\/CLB\u0645\u062d\u062f\u062f\u0629\">\u0639\u062f\u062f \u0627\u0644\u0645\u0639\u0627\u0645\u0644\/\u0627\u0644\u0645\u062e\u062a\u0628\u0631\u0627\u062a<\/th>\n<th class=\"wdtheader sort numdata float column-speedgrade sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" \u062f\u0631\u062c\u0629 \u0627\u0644\u0633\u0631\u0639\u0629\u0645\u062d\u062f\u062f\u0629\">\u062f\u0631\u062c\u0629 \u0627\u0644\u0633\u0631\u0639\u0629<\/th>\n<th class=\"wdtheader sort column-numberoflogicelementscells sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" \u0639\u062f\u062f \u0627\u0644\u0639\u0646\u0627\u0635\u0631 \u0627\u0644\u0645\u0646\u0637\u0642\u064a\u0629\/\u0627\u0644\u062e\u0644\u0627\u064a\u0627\u0627\u0644\u0645\u062d\u062f\u062f\u0629\">\u0639\u062f\u062f \u0627\u0644\u0639\u0646\u0627\u0635\u0631\/\u0627\u0644\u062e\u0644\u0627\u064a\u0627 \u0627\u0644\u0645\u0646\u0637\u0642\u064a\u0629<\/th>\n<th class=\"wdtheader sort column-totalrambits sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" \u0625\u062c\u0645\u0627\u0644\u064a \u0630\u0627\u0643\u0631\u0629 \u0627\u0644\u0648\u0635\u0648\u0644 \u0627\u0644\u0639\u0634\u0648\u0627\u0626\u064a (RAM)\">\u0625\u062c\u0645\u0627\u0644\u064a \u0628\u062a\u0627\u062a \u0630\u0627\u0643\u0631\u0629 \u0627\u0644\u0648\u0635\u0648\u0644 \u0627\u0644\u0639\u0634\u0648\u0627\u0626\u064a (RAM)<\/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=\" \u0639\u062f\u062f \u0627\u0644\u0625\u062f\u062e\u0627\u0644\/\u0627\u0644\u0625\u062e\u0631\u0627\u062c \u063a\u064a\u0631 \u0645\u062d\u062f\u062f\" aria-sort=\"ascending\">\u0639\u062f\u062f \u0627\u0644\u0625\u062f\u062e\u0627\u0644\/\u0627\u0644\u0625\u062e\u0631\u0627\u062c<\/th>\n<th class=\"wdtheader sort column-voltagesupply sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" \u0627\u0644\u0641\u0648\u0644\u062a\u064a\u0629 - \u0627\u0644\u0625\u0645\u062f\u0627\u062f - \u063a\u064a\u0631 \u0645\u062d\u062f\u062f\">\u0627\u0644\u062c\u0647\u062f - \u0627\u0644\u0625\u0645\u062f\u0627\u062f<\/th>\n<th class=\"wdtheader sort column-mountingtype sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" \u0646\u0648\u0639 \u0627\u0644\u062a\u0631\u0643\u064a\u0628\u063a\u064a\u0631 \u0645\u062d\u062f\u062f\">\u0646\u0648\u0639 \u0627\u0644\u062a\u0631\u0643\u064a\u0628<\/th>\n<th class=\"wdtheader sort column-operatingtemperature sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644\u063a\u064a\u0631 \u0645\u062d\u062f\u062f\u0629\">\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/th>\n<th class=\"wdtheader sort column-packagecase sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" \u0627\u0644\u062d\u0632\u0645\u0629\/\u0627\u0644\u062d\u0627\u0644\u0629\u0645\u062d\u062f\u062f\u0629\">\u0627\u0644\u0639\u0628\u0648\u0629 \/ \u0627\u0644\u0639\u0644\u0628\u0629<\/th>\n<th class=\"wdtheader sort column-supplierdevicepackage sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" \u062d\u0632\u0645\u0629 \u0627\u0644\u062c\u0647\u0627\u0632 \u0627\u0644\u0645\u0648\u0631\u062f\u062d\u0632\u0645\u0629 \u062c\u0647\u0627\u0632 \u0627\u0644\u0645\u0648\u0631\u062f\u0645\u062d\u062f\u062f\">\u062d\u0632\u0645\u0629 \u062c\u0647\u0627\u0632 \u0627\u0644\u0645\u0648\u0631\u062f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr class=\"odd\">\n<td class=\"expand column-modelpn\">XC4VLX25-11SFG363I<\/td>\n<td class=\"column-series\">Virtex-4 SX<\/td>\n<td class=\"numdata float column-numberoflabsclbs\">2.688,00<\/td>\n<td class=\"numdata float column-speedgrade\">-11,00<\/td>\n<td class=\"column-numberoflogicelementscells\">24192 \u0639\u0646\u0627\u0635\u0631 \u0627\u0644\u0645\u0646\u0637\u0642<\/td>\n<td class=\"column-totalrambits\">1,327,104 \u0628\u062a<\/td>\n<td class=\"numdata integer column-numberofio sorting_1\">240<\/td>\n<td class=\"column-voltagesupply\">1.14 \u0641\u0648\u0644\u062a ~ 1.26 \u0641\u0648\u0644\u062a<\/td>\n<td class=\"column-mountingtype\">\u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0639\u0644\u0649 \u0627\u0644\u0633\u0637\u062d<\/td>\n<td class=\"column-operatingtemperature\">\u0635\u0646\u0627\u0639\u064a (-40 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u0625\u0644\u0649 +100 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u062a\u062d\u062a \u0627\u0644\u0635\u0641\u0631)<\/td>\n<td class=\"column-packagecase\">363-FBGA, FCBGA 363<\/td>\n<td class=\"column-supplierdevicepackage\">363-FCBGA (17\u00d717)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p data-path-to-node=\"3\"><span style=\"color: #003366;\"><strong>XC4VLX25-11SFG363I: High-Speed Virtex-4 LX in a Compact SF363 Footprint<\/strong><\/span><\/p>\n<p data-path-to-node=\"4\">\u0625\u0646 <b data-path-to-node=\"4\" data-index-in-node=\"4\">XC4VLX25-11SFG363I<\/b> is a logic-optimized FPGA designed for applications requiring high-density CLBs in a space-constrained form factor. By utilizing the <b data-path-to-node=\"4\" data-index-in-node=\"156\">SF363 (17x17mm)<\/b> small-form-factor BGA, this device provides the processing power of the Virtex-4 LX architecture without the footprint overhead of the larger 668-pin packages.<\/p>\n<p data-path-to-node=\"5\">This specific variant is binned for the <b data-path-to-node=\"5\" data-index-in-node=\"40\">-11 speed grade<\/b> \u0648 <b data-path-to-node=\"5\" data-index-in-node=\"60\">Industrial temperature range<\/b>, making it a critical component for aerospace, ruggedized industrial compute, and tactical communication systems where thermal swings from <span class=\"math-inline\" data-math=\"-40\u00b0C\" data-index-in-node=\"228\">$-40\u00b0C$<\/span> to <span class=\"math-inline\" data-math=\"+100\u00b0C\" data-index-in-node=\"237\">$+100\u00b0C$<\/span> are expected.<\/p>\n<p data-path-to-node=\"6\"><span style=\"color: #003366;\"><strong>Technical Core 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\">\u0627\u0644\u062e\u0644\u0627\u064a\u0627 \u0627\u0644\u0645\u0646\u0637\u0642\u064a\u0629:<\/b> 24,192<\/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> 48 x 72<\/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\">\u0643\u062a\u0644\u0629 \u0630\u0627\u0643\u0631\u0629 \u0627\u0644\u0648\u0635\u0648\u0644 \u0627\u0644\u0639\u0634\u0648\u0627\u0626\u064a (RAM):<\/b> 1,296 Kb (organized as 18 Kb blocks)<\/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> 48<\/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> 240 (Reduced compared to FFG668 due to package size)<\/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\">\u0627\u0644\u062d\u0632\u0645\u0629:<\/b> SFG363 (17mm x 17mm, 0.8mm pitch, Lead-Free\/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\">\u062f\u0631\u062c\u0629 \u0627\u0644\u0633\u0631\u0639\u0629:<\/b> -11 (Mid-to-high performance)<\/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\">\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644:<\/b> Industrial (<span class=\"math-inline\" data-math=\"-40\u00b0C\" data-index-in-node=\"28\">$-40\u00b0C$<\/span> to <span class=\"math-inline\" data-math=\"+100\u00b0C\" data-index-in-node=\"37\">$+100\u00b0C$<\/span>)<\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"8\"><span style=\"color: #003366;\"><strong>Hardware Design Considerations<\/strong><\/span><\/p>\n<h4 data-path-to-node=\"9\">1. Pin Density &amp; Routing<\/h4>\n<p data-path-to-node=\"10\">The SF363 package uses a <b data-path-to-node=\"10\" data-index-in-node=\"25\">0.8mm ball pitch<\/b>. Unlike the 1.0mm pitch found in larger Virtex-4 parts, the SF363 requires tighter PCB design rules. Engineers should ensure their fabrication house can handle the required via-in-pad or fine-line traces necessary to breakout the inner rows of the 363-ball grid.<\/p>\n<h4 data-path-to-node=\"11\">2. Thermal Management in Industrial Enclosures<\/h4>\n<p data-path-to-node=\"12\">With an Industrial rating (<span class=\"math-inline\" data-math=\"100\u00b0C\" data-index-in-node=\"27\">$100\u00b0C$<\/span> max junction), this part is rugged. However, the smaller 17x17mm package has a higher thermal resistance (<span class=\"math-inline\" data-math=\"\\theta_{JA}\" data-index-in-node=\"139\">$\\theta_{JA}$<\/span>) than the larger FFG668. If your design is hitting high logic utilization at -11 speeds, pay close attention to the thermal dissipation path through the PCB ground planes.<\/p>\n<h4 data-path-to-node=\"13\">3. Timing Slack &amp; Migration<\/h4>\n<p data-path-to-node=\"14\">The -11 speed grade is often specified to resolve setup time (<span class=\"math-inline\" data-math=\"T_{su}\" data-index-in-node=\"62\">$T_{su}$<\/span>) bottlenecks in high-speed memory interfaces or custom LVDS backplanes. When replacing an older -10 grade part with this -11 variant, verify that your hold time (<span class=\"math-inline\" data-math=\"T_h\" data-index-in-node=\"231\">$T_h$<\/span>) margins remain valid in your ISE timing reports.<\/p>\n<p data-path-to-node=\"15\"><span style=\"color: #003366;\"><strong>Legacy Tooling &amp; Software Support<\/strong><\/span><\/p>\n<p data-path-to-node=\"16\">As with the entire Virtex-4 series, the XC4VLX25-11SFG363I is supported by <b data-path-to-node=\"16\" data-index-in-node=\"75\">Xilinx ISE Design Suite (14.7)<\/b>. It is <b data-path-to-node=\"16\" data-index-in-node=\"113\">\u0644\u0627<\/b> compatible with Vivado. If you are maintaining a legacy system, ensure your design environment is locked to ISE to maintain bitstream integrity.<\/p>\n<hr data-path-to-node=\"17\" \/>\n<p data-path-to-node=\"18\"><strong><span style=\"color: #003366;\">Comparison: SFG363 vs. FFG668 Package (LX25)<\/span><\/strong><\/p>\n<table data-path-to-node=\"19\">\n<thead>\n<tr>\n<td><strong>\u0627\u0644\u0645\u0639\u0644\u0645\u0629<\/strong><\/td>\n<td><strong>XC4VLX25-11SFG363I<\/strong><\/td>\n<td><strong>xc4vlx25-11ffg668i<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"19,1,0,0\"><b data-path-to-node=\"19,1,0,0\" data-index-in-node=\"0\">Package Dimensions<\/b><\/span><\/td>\n<td><span data-path-to-node=\"19,1,1,0\"><b data-path-to-node=\"19,1,1,0\" data-index-in-node=\"0\">17mm x 17mm<\/b><\/span><\/td>\n<td><span data-path-to-node=\"19,1,2,0\">27mm x 27mm<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"19,2,0,0\"><b data-path-to-node=\"19,2,0,0\" data-index-in-node=\"0\">Ball Pitch<\/b><\/span><\/td>\n<td><span data-path-to-node=\"19,2,1,0\"><b data-path-to-node=\"19,2,1,0\" data-index-in-node=\"0\">0.8mm<\/b><\/span><\/td>\n<td><span data-path-to-node=\"19,2,2,0\">1.0mm<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"19,3,0,0\"><b data-path-to-node=\"19,3,0,0\" data-index-in-node=\"0\">Available I\/O<\/b><\/span><\/td>\n<td><span data-path-to-node=\"19,3,1,0\">240<\/span><\/td>\n<td><span data-path-to-node=\"19,3,2,0\">448<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"19,4,0,0\"><b data-path-to-node=\"19,4,0,0\" data-index-in-node=\"0\">Logic\/RAM\/DSP<\/b><\/span><\/td>\n<td><span data-path-to-node=\"19,4,1,0\">Identical<\/span><\/td>\n<td><span data-path-to-node=\"19,4,2,0\">Identical<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p data-path-to-node=\"21\"><span style=\"color: #003366;\">Engineering FAQ<\/span><\/p>\n<p data-path-to-node=\"22\"><b data-path-to-node=\"22\" data-index-in-node=\"0\">Can I drop this into a board designed for the commercial &#8216;C&#8217; grade?<\/b> Yes. The &#8216;I&#8217; grade is a superior replacement for the &#8216;C&#8217; grade, offering a wider temperature window. The electrical characteristics and bitstream compatibility remain identical.<\/p>\n<p data-path-to-node=\"23\"><b data-path-to-node=\"23\" data-index-in-node=\"0\">Why is the I\/O count lower on the SFG363?<\/b> The silicon die is the same, but the SF363 package is &#8220;I\/O limited.&#8221; Many of the LX25\u2019s internal signals are not bonded out to pins to maintain the smaller footprint. Always verify your <code data-path-to-node=\"23\" data-index-in-node=\"228\">.ucf<\/code> pin assignments against the SF363 pinout map.<\/p>\n<p data-path-to-node=\"24\"><b data-path-to-node=\"24\" data-index-in-node=\"0\">Is this part RoHS compliant?<\/b> Yes, the &#8220;G&#8221; in SFG363 denotes a Lead-Free (RoHS) package. This is essential for modern compliance, even when maintaining legacy equipment.<\/p>\n<p data-path-to-node=\"26\"><b data-path-to-node=\"26\" data-index-in-node=\"0\">Need a Certificate of Conformance (CoC) or a specialized quote for a production run?<\/b> We focus on providing traceable, high-reliability Xilinx parts for systems that cannot afford downtime.<\/p>\n<p data-path-to-node=\"27\">Would you like me to verify the current Date Code (D\/C) availability for our XC4VLX25-11SFG363I stock?<\/p>\n<p data-path-to-node=\"27\"><a href=\"https:\/\/www.lxbchip.com\/ar\/contact-us\/\">\u0644\u0644\u062a\u0648\u0627\u0635\u0644 \u0645\u0639 LXB Semicon<\/a>\u00a0for availability, pricing, and technical support.<\/p>","protected":false},"excerpt":{"rendered":"<p><strong>\u0627\u0644\u0634\u0631\u0643\u0629 \u0627\u0644\u0645\u0635\u0646\u0639\u0629:<\/strong> \u0632\u064a\u0644\u064a\u0646\u0643\u0633<br \/>\n<strong>\u0627\u0644\u062e\u0644\u0627\u064a\u0627 \u0627\u0644\u0645\u0646\u0637\u0642\u064a\u0629:<\/strong> 24,576<br \/>\n<strong>\u0634\u0631\u0627\u0626\u062d \u0627\u0644\u0645\u0646\u0637\u0642:<\/strong> 1,536<br \/>\n<strong>\u0630\u0627\u0643\u0631\u0629 \u0627\u0644\u0648\u0635\u0648\u0644 \u0627\u0644\u0639\u0634\u0648\u0627\u0626\u064a \u0627\u0644\u0645\u062f\u0645\u062c\u0629 (eRAM):<\/strong> 1,105,920 bits<br \/>\n<strong>\u0627\u0644\u062d\u0632\u0645\u0629:<\/strong> SFG363<br \/>\n<strong>\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644:<\/strong> \u0635\u0646\u0627\u0639\u064a (-40 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u0625\u0644\u0649 +100 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629)<\/p>","protected":false},"featured_media":6121,"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-6650","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\/ar\/wp-json\/wp\/v2\/product\/6650","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lxbchip.com\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.lxbchip.com\/ar\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lxbchip.com\/ar\/wp-json\/wp\/v2\/media\/6121"}],"wp:attachment":[{"href":"https:\/\/www.lxbchip.com\/ar\/wp-json\/wp\/v2\/media?parent=6650"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.lxbchip.com\/ar\/wp-json\/wp\/v2\/product_brand?post=6650"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.lxbchip.com\/ar\/wp-json\/wp\/v2\/product_cat?post=6650"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.lxbchip.com\/ar\/wp-json\/wp\/v2\/product_tag?post=6650"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}