{"id":6642,"date":"2025-11-18T15:57:48","date_gmt":"2025-11-18T07:57:48","guid":{"rendered":"https:\/\/www.lxbchip.com\/?post_type=product&#038;p=6642"},"modified":"2026-01-29T18:57:34","modified_gmt":"2026-01-29T10:57:34","slug":"xc4vlx25-10ffg668c","status":"publish","type":"product","link":"https:\/\/www.lxbchip.com\/ru\/products\/xc4vlx25-10ffg668c\/","title":{"rendered":"XC4VLX25-10FFG668C"},"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\">XC4VLX25-10FFG668C<\/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\">0,00<\/td>\n<td class=\"column-numberoflogicelementscells\">24192 \u041b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u044b<\/td>\n<td class=\"column-totalrambits\">1 327 104 \u0431\u0438\u0442<\/td>\n<td class=\"numdata integer column-numberofio sorting_1\">448<\/td>\n<td class=\"column-voltagesupply\">1,14 V ~ 1,26 V<\/td>\n<td class=\"column-mountingtype\">\u041c\u043e\u043d\u0442\u0430\u0436 \u043d\u0430 \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u044c<\/td>\n<td class=\"column-operatingtemperature\">\u041a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u0438\u0439 (0\u00b0C ~ +85\u00b0C)<\/td>\n<td class=\"column-packagecase\">668-BBGA, FCBGA<\/td>\n<td class=\"column-supplierdevicepackage\">668-FCBGA (27\u00d727)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p data-path-to-node=\"3\"><span style=\"color: #003366;\"><strong>XC4VLX25-10FFG668C: Virtex-4 LX Logic-Optimized FPGA<\/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\">XC4VLX25-10FFG668C<\/b> is a fundamental component of the Xilinx Virtex-4 LX platform, designed specifically for logic-intensive applications. Built on a 90nm process using triple-oxide technology, the LX series balances high logic density with managed power consumption.<\/p>\n<p data-path-to-node=\"5\">\u0421\u0430\u0439\u0442 <b data-path-to-node=\"5\" data-index-in-node=\"4\">-10 speed grade<\/b> \u0438 <b data-path-to-node=\"5\" data-index-in-node=\"24\">Commercial temperature rating<\/b> make this part an ideal fit for high-performance networking, medical imaging backplanes, and industrial automation controllers that require stable, high-speed logic without the overhead of the SX (DSP-heavy) or FX (embedded PowerPC) variants.<\/p>\n<p data-path-to-node=\"6\"><strong><span style=\"color: #003366;\">Essential Technical Specifications<\/span><\/strong><\/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> 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\">Total Block RAM:<\/b> 1,296 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> 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> 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 (Flip-Chip BGA, 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\">\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\">\u0420\u0430\u0431\u043e\u0447\u0430\u044f \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430:<\/b> \u041e\u0442 0\u00b0C \u0434\u043e +85\u00b0C (\u043a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u0438\u0439)<\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"8\"><span style=\"color: #003366;\"><strong>Design &amp; Integration Insights<\/strong><\/span><\/p>\n<p data-path-to-node=\"9\">When designing with or sourcing the LX25 in the FFG668 package, several architectural nuances should be considered:<\/p>\n<ul data-path-to-node=\"10\">\n<li>\n<p data-path-to-node=\"10,0,0\"><b data-path-to-node=\"10,0,0\" data-index-in-node=\"0\">SelectIO Technology:<\/b> This device supports multiple I\/O standards (LVDS, HSTL, SSTL). Designers should pay close attention to the banking rules\u2014specifically, ensuring that the <span class=\"math-inline\" data-math=\"V_{CCO}\" data-index-in-node=\"175\">$V_{CCO}$<\/span> of a given bank is compatible with all I\/O standards assigned to that bank to avoid signal integrity issues.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"10,1,0\"><b data-path-to-node=\"10,1,0\" data-index-in-node=\"0\">Clock Management:<\/b> The Virtex-4 LX features highly flexible Digital Clock Managers (DCMs). For the -10 speed grade, ensure your timing constraints in ISE account for the specific jitter and setup\/hold requirements documented in the DS302 datasheet.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"10,2,0\"><b data-path-to-node=\"10,2,0\" data-index-in-node=\"0\">Thermal Design:<\/b> The Flip-Chip (FFG) package offers lower thermal resistance than traditional wire-bond BGAs. However, even at a -10 grade, high logic utilization at high frequencies can lead to significant localized heating. We recommend verifying junction temperature (<span class=\"math-inline\" data-math=\"T_j\" data-index-in-node=\"270\">$T_j$<\/span>) through thermal simulation if your design exceeds 70% logic utilization.<\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"17\"><strong><span style=\"color: #003366;\">Hardware Engineer FAQ<\/span><\/strong><\/p>\n<p data-path-to-node=\"18\"><b data-path-to-node=\"18\" data-index-in-node=\"0\">Is the XC4VLX25-10FFG668C pin-compatible with larger Virtex-4 LX devices?<\/b><\/p>\n<p data-path-to-node=\"18\">Yes, the FFG668 package allows for footprint compatibility with the XC4VLX40 and XC4VLX60 in some configurations, permitting a migration path if your logic requirements grow. Always cross-reference the pinout tables to ensure bank-compatible power pins.<\/p>\n<p data-path-to-node=\"19\"><b data-path-to-node=\"19\" data-index-in-node=\"0\">How should I handle the lead-free (FFG) soldering profile?<\/b><\/p>\n<p data-path-to-node=\"19\">Since this is a Lead-Free (RoHS) FFG668 package, you must follow a SAC305-compatible reflow profile. Avoid using leaded solder pastes if you require full RoHS compliance for your final assembly.<\/p>\n<p data-path-to-node=\"20\"><b data-path-to-node=\"20\" data-index-in-node=\"0\">What is the status of the &#8220;Silicon Stepping&#8221; for this part?<\/b><\/p>\n<p data-path-to-node=\"20\">We supply the latest production steppings. For engineers performing FFF (Form, Fit, Function) replacements on older Rev A or B boards, please verify if your existing bitstream requires a &#8220;Stepping-specific&#8221; update via ISE.<\/p>\n<p data-path-to-node=\"23\"><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> 24,576<br \/>\n<strong>\u041b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0441\u0440\u0435\u0437\u044b:<\/strong> 1,536<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> 1,105,920 bits<br \/>\n<strong>\u0423\u043f\u0430\u043a\u043e\u0432\u043a\u0430:<\/strong> FFG668<br \/>\n<strong>\u0420\u0430\u0431\u043e\u0447\u0430\u044f \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430:<\/strong> \u041a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u0438\u0439 (\u043e\u0442 0\u00b0C \u0434\u043e +85\u00b0C)<\/p>","protected":false},"featured_media":6114,"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-6642","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\/6642","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\/6114"}],"wp:attachment":[{"href":"https:\/\/www.lxbchip.com\/ru\/wp-json\/wp\/v2\/media?parent=6642"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.lxbchip.com\/ru\/wp-json\/wp\/v2\/product_brand?post=6642"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.lxbchip.com\/ru\/wp-json\/wp\/v2\/product_cat?post=6642"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.lxbchip.com\/ru\/wp-json\/wp\/v2\/product_tag?post=6642"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}