{"id":6660,"date":"2025-11-18T16:29:10","date_gmt":"2025-11-18T08:29:10","guid":{"rendered":"https:\/\/www.lxbchip.com\/?post_type=product&#038;p=6660"},"modified":"2026-01-29T19:22:40","modified_gmt":"2026-01-29T11:22:40","slug":"xc4vlx60-11ffg668i","status":"publish","type":"product","link":"https:\/\/www.lxbchip.com\/de\/products\/xc4vlx60-11ffg668i\/","title":{"rendered":"XC4VLX60-11FFG668I"},"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=\" Modell P\/Nundefined\">MODELL P\/N<\/th>\n<th class=\"wdtheader sort column-series sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" Serieundefined\">SERIE<\/th>\n<th class=\"wdtheader sort numdata float column-numberoflabsclbs sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" Anzahl der LABs\/CLBsundefined\">ANZAHL DER LABORE\/KLINIKEN<\/th>\n<th class=\"wdtheader sort numdata float column-speedgrade sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" GeschwindigkeitsgradDefiniert\">GESCHWINDIGKEITSSTUFE<\/th>\n<th class=\"wdtheader sort column-numberoflogicelementscells sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" Anzahl der Logikelemente \/ Zellenundefined\">ANZAHL DER LOGIKELEMENTE \/ ZELLEN<\/th>\n<th class=\"wdtheader sort column-totalrambits sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" Total RAM Bitsundefined\">RAM-BITS INSGESAMT<\/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=\" Anzahl der E\/A unbestimmt\" aria-sort=\"ascending\">ANZAHL DER E\/A<\/th>\n<th class=\"wdtheader sort column-voltagesupply sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" Spannung - Versorgungundefiniert\">SPANNUNG - VERSORGUNG<\/th>\n<th class=\"wdtheader sort column-mountingtype sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" Montageartundefined\">BEFESTIGUNGSTYP<\/th>\n<th class=\"wdtheader sort column-operatingtemperature sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" BetriebstemperaturUndefiniert\">BETRIEBSTEMPERATUR<\/th>\n<th class=\"wdtheader sort column-packagecase sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" Paket \/ Koffer definiert\">VERPACKUNG \/ KASSE<\/th>\n<th class=\"wdtheader sort column-supplierdevicepackage sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" Lieferant Ger\u00e4tepaketundefiniert\">LIEFERANT GER\u00c4TEPAKET<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr class=\"odd\">\n<td class=\"expand column-modelpn\">XC4VLX60-11FFG668I<\/td>\n<td class=\"column-series\">Virtex-4 LX<\/td>\n<td class=\"numdata float column-numberoflabsclbs\">6.656,00<\/td>\n<td class=\"numdata float column-speedgrade\">-11,00<\/td>\n<td class=\"column-numberoflogicelementscells\">59 904 LE<\/td>\n<td class=\"column-totalrambits\">2 949 120 Bit \u2248 2,95 Mbit<\/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\">Oberfl\u00e4chenmontage<\/td>\n<td class=\"column-operatingtemperature\">Industriell (-40\u00b0C ~ +100\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>XC4VLX60-11FFG668I: High-Performance Industrial Virtex-4 LX FPGA<\/strong><\/span><\/p>\n<p data-path-to-node=\"4\">Die <b data-path-to-node=\"4\" data-index-in-node=\"4\">XC4VLX60-11FFG668I<\/b> is a high-density logic platform within the Xilinx Virtex-4 family, engineered for demanding industrial environments. Offering <b data-path-to-node=\"4\" data-index-in-node=\"150\">59,904 logic cells<\/b>, it serves as a critical component for complex system integration, including high-speed bus arbitration, medical imaging data paths, and aerospace control systems.<\/p>\n<p data-path-to-node=\"5\">The combination of the <b data-path-to-node=\"5\" data-index-in-node=\"23\">-11 speed grade<\/b> und <b data-path-to-node=\"5\" data-index-in-node=\"43\">Industrial temperature rating<\/b> makes this part the most robust version of the LX60 in the FFG668 footprint. It provides the necessary timing slack for high-frequency designs while ensuring reliable operation between <b data-path-to-node=\"5\" data-index-in-node=\"258\">-40\u00b0C and +100\u00b0C<\/b>.<\/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\">Logische Zellen:<\/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 (160 blocks of 18 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\">Maximale Benutzer-E\/A:<\/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\">Paket:<\/b> FFG668 (Fine-pitch Flip-Chip BGA, 1.0mm pitch)<\/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\">Geschwindigkeitsstufe:<\/b> -11 (Mid-high performance tier)<\/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> <span class=\"math-inline\" data-math=\"T_j\" data-index-in-node=\"47\">$T_j$<\/span>)<\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"8\"><strong><span style=\"color: #003366;\">Engineering &amp; Design Considerations<\/span><\/strong><\/p>\n<h4 data-path-to-node=\"9\">1. Timing Closure at the -11 Speed Grade<\/h4>\n<p data-path-to-node=\"10\">The -11 speed grade is roughly 10-12% faster than the -10 variant. This is often the difference between meeting or failing timing on complex cross-die routing paths. When substituting this part into a design originally binned for a -10, it is a &#8220;safe&#8221; upgrade, but we recommend re-verifying hold times (<span class=\"math-inline\" data-math=\"T_h\" data-index-in-node=\"303\">$T_h$<\/span>) in your Static Timing Analysis (STA), as the faster silicon can occasionally expose race conditions in poorly constrained paths.<\/p>\n<h4 data-path-to-node=\"11\">2. Thermal and Power Integrity<\/h4>\n<p data-path-to-node=\"12\">With nearly 60k logic cells switching at -11 speeds, the LX60 can generate significant localized heat. The <b data-path-to-node=\"12\" data-index-in-node=\"107\">FFG668 flip-chip package<\/b> offers superior thermal conductivity (<span class=\"math-inline\" data-math=\"\\theta_{JC}\" data-index-in-node=\"170\">$\\theta_{JC}$<\/span>), but in industrial enclosures, active cooling or high-performance TIM (Thermal Interface Material) is recommended to keep the junction temperature below the <span class=\"math-inline\" data-math=\"100\u00b0C\" data-index-in-node=\"340\">$100\u00b0C$<\/span> limit. Ensure your <span class=\"math-inline\" data-math=\"V_{CCINT}\" data-index-in-node=\"365\">$V_{CCINT}$<\/span> (1.2V) regulator is sized for the increased dynamic current associated with the -11 grade&#8217;s higher toggle rates.<\/p>\n<h4 data-path-to-node=\"13\">3. Software Lifecycle Note<\/h4>\n<p data-path-to-node=\"14\">The XC4VLX60 is a mature product and is <b data-path-to-node=\"14\" data-index-in-node=\"40\">not compatible with Xilinx Vivado<\/b>. All maintenance, bitstream generation, and debugging must be performed using <b data-path-to-node=\"14\" data-index-in-node=\"152\">Xilinx ISE Design Suite 14.7<\/b>. Ensure your project constraints (.ucf) are archived and mapped correctly to the FFG668 pinout.<\/p>\n<hr data-path-to-node=\"15\" \/>\n<p data-path-to-node=\"16\"><strong><span style=\"color: #003366;\">Comparison: Virtex-4 LX60 Speed &amp; Temp Options<\/span><\/strong><\/p>\n<table data-path-to-node=\"17\">\n<thead>\n<tr>\n<td><strong>Merkmal<\/strong><\/td>\n<td><strong>XC4VLX60-11FFG668I<\/strong><\/td>\n<td><strong>XC4VLX60-10FFG668C<\/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\">Geschwindigkeitsstufe<\/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\">-11 (High Performance)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"17,1,2,0\">-10 (Standard)<\/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\">Temperaturbereich<\/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\">Industriell (-40\u00b0C bis +100\u00b0C)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"17,2,2,0\">Handels\u00fcblich (0\u00b0C bis +85\u00b0C)<\/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\">Logische Zellen<\/b><\/span><\/td>\n<td><span data-path-to-node=\"17,3,1,0\">59,904<\/span><\/td>\n<td><span data-path-to-node=\"17,3,2,0\">59,904<\/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\">Verl\u00e4sslichkeit<\/b><\/span><\/td>\n<td><span data-path-to-node=\"17,4,1,0\"><b data-path-to-node=\"17,4,1,0\" data-index-in-node=\"0\">Enhanced (Ruggedized)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"17,4,2,0\">Standard<\/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 this part replace the XC4VLX60-10FFG668C?<\/b><\/p>\n<p data-path-to-node=\"20\">Yes. It is a &#8220;top-tier&#8221; replacement. It covers a wider temperature range and offers faster switching speeds. Since it is the same FFG668 package, it is footprint-compatible and bitstream-compatible (though a timing re-simulation is always best practice).<\/p>\n<p data-path-to-node=\"21\"><b data-path-to-node=\"21\" data-index-in-node=\"0\">Is the FFG668 package RoHS compliant?<\/b><\/p>\n<p data-path-to-node=\"21\">Yes. The &#8220;G&#8221; in FFG668 denotes lead-free\/RoHS compliance. If your legacy assembly process uses Leaded (SnPb) solder, you must adjust your reflow profile to accommodate the higher melting point of the lead-free BGA balls to ensure a reliable joint.<\/p>\n<p data-path-to-node=\"22\"><b data-path-to-node=\"22\" data-index-in-node=\"0\">How do you handle EOL (End of Life) sourcing for this part?<\/b><\/p>\n<p data-path-to-node=\"22\">We understand that the Virtex-4 LX60 is a mature component. We focus on providing parts with verifiable Date Codes and provide full visual and electrical inspections (where required) to ensure that the silicon has been stored in MSL-compliant environments.<\/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 quote for high-reliability applications?<\/b><\/p>\n<p data-path-to-node=\"24\">We support long-lifecycle programs with traceable, original Xilinx silicon.<\/p>\n<p data-path-to-node=\"25\">Would you like me to check the current inventory for a specific Date Code (D\/C) or provide the IBIS models for the FFG668 package?<\/p>\n<p data-path-to-node=\"25\"><a href=\"https:\/\/www.lxbchip.com\/de\/contact-us\/\">Kontakt zu LXB Semicon<\/a>\u00a0for availability, pricing, and technical support.<\/p>","protected":false},"excerpt":{"rendered":"<p><strong>Hersteller:<\/strong> Xilinx<br \/>\n<strong>Logische Zellen:<\/strong> 59,904<br \/>\n<strong>Logische Schnitte:<\/strong> 26,624<br \/>\n<strong>Eingebettetes RAM (eRAM):<\/strong> 2,592 Kb (144 \u00d7 18Kb Block RAM)<br \/>\n<strong>Paket:<\/strong> FFG668 (Flip-Chip BGA)<br \/>\n<strong>Betriebstemperatur:<\/strong> Industriell (-40\u00b0C bis +100\u00b0C)<\/p>","protected":false},"featured_media":6134,"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-6660","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\/de\/wp-json\/wp\/v2\/product\/6660","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lxbchip.com\/de\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.lxbchip.com\/de\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lxbchip.com\/de\/wp-json\/wp\/v2\/media\/6134"}],"wp:attachment":[{"href":"https:\/\/www.lxbchip.com\/de\/wp-json\/wp\/v2\/media?parent=6660"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.lxbchip.com\/de\/wp-json\/wp\/v2\/product_brand?post=6660"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.lxbchip.com\/de\/wp-json\/wp\/v2\/product_cat?post=6660"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.lxbchip.com\/de\/wp-json\/wp\/v2\/product_tag?post=6660"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}