{"id":95,"date":"2025-11-10T17:43:34","date_gmt":"2025-11-10T09:43:34","guid":{"rendered":"https:\/\/www.lxbchip.com\/?post_type=product&#038;p=95"},"modified":"2026-01-29T18:51:45","modified_gmt":"2026-01-29T10:51:45","slug":"xc4vlx25-11ffg668i","status":"publish","type":"product","link":"https:\/\/www.lxbchip.com\/vi\/products\/xc4vlx25-11ffg668i\/","title":{"rendered":"XC4VLX25-11FFG668I"},"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=\" M\u1eabu P\/N ch\u01b0a x\u00e1c \u0111\u1ecbnh\">M\u00c3 S\u1ea2N PH\u1ea8M<\/th>\n<th class=\"wdtheader sort column-series sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" Seriesundefined\">B\u1ed8 PHIM<\/th>\n<th class=\"wdtheader sort numdata float column-numberoflabsclbs sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" S\u1ed1 l\u01b0\u1ee3ng LABs\/CLBsundefined\">S\u1ed0 L\u01af\u1ee2NG PH\u00d2NG TH\u00cd NGHI\u1ec6M\/CLBS<\/th>\n<th class=\"wdtheader sort numdata float column-speedgrade sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" T\u1ed1c \u0111\u1ed9 Gradeundefined\">\u0110\u1ed8 B\u1ec0N THEO T\u1ed0C \u0110\u1ed8<\/th>\n<th class=\"wdtheader sort column-numberoflogicelementscells sorting sorting_asc\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" S\u1ed1 l\u01b0\u1ee3ng c\u00e1c ph\u1ea7n t\u1eed logic \/ \u00f4 kh\u00f4ng x\u00e1c \u0111\u1ecbnh\" aria-sort=\"ascending\">S\u1ed0 L\u01af\u1ee2NG PH\u1ea6N T\u1eec L\u1ed0I \/ T\u1ebe B\u00c0O<\/th>\n<th class=\"wdtheader sort column-totalrambits sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" T\u1ed5ng s\u1ed1 bit RAM ch\u01b0a \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a\">T\u1ed5ng s\u1ed1 bit RAM<\/th>\n<th class=\"wdtheader sort numdata integer column-numberofio sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" S\u1ed1 l\u01b0\u1ee3ng I\/O kh\u00f4ng x\u00e1c \u0111\u1ecbnh\">S\u1ed0 L\u01af\u1ee2NG I\/O<\/th>\n<th class=\"wdtheader sort column-voltagesupply sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" \u0110i\u1ec7n \u00e1p - Ngu\u1ed3n cung c\u1ea5p ch\u01b0a x\u00e1c \u0111\u1ecbnh\">\u0110i\u1ec7n \u00e1p \u2013 Ngu\u1ed3n c\u1ea5p<\/th>\n<th class=\"wdtheader sort column-mountingtype sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" Lo\u1ea1i l\u1eafp \u0111\u1eb7t ch\u01b0a x\u00e1c \u0111\u1ecbnh\">Lo\u1ea1i l\u1eafp \u0111\u1eb7t<\/th>\n<th class=\"wdtheader sort column-operatingtemperature sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng: Ch\u01b0a x\u00e1c \u0111\u1ecbnh\">NHI\u1ec6T \u0110\u1ed8 HO\u1ea0T \u0110\u1ed8NG<\/th>\n<th class=\"wdtheader sort column-packagecase sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" G\u00f3i \/ V\u1ecf h\u1ed9p\">G\u00d3I \/ H\u1ed8P<\/th>\n<th class=\"wdtheader sort column-supplierdevicepackage sorting\" tabindex=\"0\" colspan=\"1\" rowspan=\"1\" aria-controls=\"table_1\" aria-label=\" G\u00f3i thi\u1ebft b\u1ecb nh\u00e0 cung c\u1ea5p (kh\u00f4ng x\u00e1c \u0111\u1ecbnh)\">G\u00d3I THI\u1ebeT B\u1eca C\u1ee6A NH\u00c0 CUNG C\u1ea4P<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr class=\"odd\">\n<td class=\"expand column-modelpn\">XC4VLX25-11FFG668I<\/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 sorting_1\">24192 Th\u00e0nh ph\u1ea7n logic<\/td>\n<td class=\"column-totalrambits\">1.327.104 bit<\/td>\n<td class=\"numdata integer column-numberofio\">448<\/td>\n<td class=\"column-voltagesupply\">1,14 V ~ 1,26 V<\/td>\n<td class=\"column-mountingtype\">L\u1eafp \u0111\u1eb7t b\u1ec1 m\u1eb7t<\/td>\n<td class=\"column-operatingtemperature\">Th\u01b0\u01a1ng m\u1ea1i (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>XC4VLX25-11FFG668I: Virtex-4 LX d\u00e0nh cho m\u1ea1ch logic c\u00f4ng nghi\u1ec7p hi\u1ec7u su\u1ea5t cao<\/strong><\/span><\/p>\n<p data-path-to-node=\"4\">The <b data-path-to-node=\"4\" data-index-in-node=\"4\">XC4VLX25-11FFG668I<\/b> l\u00e0 m\u1ed9t th\u00e0nh vi\u00ean c\u1ee7a d\u00f2ng s\u1ea3n ph\u1ea9m Xilinx Virtex-4 LX, \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a \u0111\u1eb7c bi\u1ec7t cho c\u00e1c \u1ee9ng d\u1ee5ng logic hi\u1ec7u su\u1ea5t cao. Trong khi d\u00f2ng \u201cSX\u201d nh\u1eafm \u0111\u1ebfn DSP v\u00e0 d\u00f2ng \u201cFX\u201d t\u1eadp trung v\u00e0o b\u1ed9 x\u1eed l\u00fd nh\u00fang, th\u00ec <b data-path-to-node=\"4\" data-index-in-node=\"216\">D\u00f2ng LX<\/b> l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho c\u00e1c \u1ee9ng d\u1ee5ng logic m\u1eadt \u0111\u1ed9 cao, giao ti\u1ebfp y\u00eau c\u1ea7u \u0111\u1ed9 ch\u00ednh x\u00e1c v\u1ec1 th\u1eddi gian v\u00e0 c\u00e1c t\u00e1c v\u1ee5 FPGA \u0111a n\u0103ng.<\/p>\n<p data-path-to-node=\"5\">Phi\u00ean b\u1ea3n c\u1ee5 th\u1ec3 n\u00e0y c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m l\u00e0 <b data-path-to-node=\"5\" data-index-in-node=\"35\">- C\u1ea5p \u0111\u1ed9 d\u1ed1c 11<\/b> v\u00e0 <b data-path-to-node=\"5\" data-index-in-node=\"55\">Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 c\u00f4ng nghi\u1ec7p<\/b>, khi\u1ebfn n\u00f3 tr\u1edf n\u00ean ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c m\u00f4i tr\u01b0\u1eddng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c v\u1ec1 th\u1eddi gian cao h\u01a1n so v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng th\u01b0\u01a1ng m\u1ea1i ti\u00eau chu\u1ea9n.<\/p>\n<p data-path-to-node=\"6\"><span style=\"color: #003366;\"><strong>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh<\/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\">T\u1ebf b\u00e0o logic:<\/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\">M\u1ea3ng CLB (H\u00e0ng \u00d7 C\u1ed9t):<\/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\">T\u1ed5ng dung l\u01b0\u1ee3ng RAM kh\u1ed1i:<\/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\">C\u00e1c nh\u00f3m nh\u1ecf c\u1ee7a DSP48:<\/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\">Giao ti\u1ebfp ng\u01b0\u1eddi d\u00f9ng:<\/b> 448 (T\u1ed1i \u0111a)<\/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\">\u0110\u00e1nh gi\u00e1 t\u1ed1c \u0111\u1ed9:<\/b> -11 (Ph\u00e2n kh\u00fac hi\u1ec7u n\u0103ng trung b\u00ecnh \u0111\u1ebfn cao d\u00e0nh cho Virtex-4)<\/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\">Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9:<\/b> C\u00f4ng nghi\u1ec7p (<span class=\"math-inline\" data-math=\"T_{j} = -40\u00b0C\" data-index-in-node=\"31\">$T_{j} = -40\u00b0C$<\/span> \u0111\u1ebfn <span class=\"math-inline\" data-math=\"100\u00b0C\" data-index-in-node=\"48\">$100\u00b0C$<\/span>)<\/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\">G\u00f3i:<\/b> FFG668 (BGA chip l\u1eadt kho\u1ea3ng c\u00e1ch ch\u00e2n nh\u1ecf, kh\u00f4ng ch\u00ec\/tu\u00e2n th\u1ee7 RoHS)<\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"8\"><strong><span style=\"color: #003366;\">Ghi ch\u00fa v\u1ec1 thi\u1ebft k\u1ebf v\u00e0 tri\u1ec3n khai ph\u1ea7n c\u1ee9ng<\/span><\/strong><\/p>\n<p data-path-to-node=\"9\">Khi t\u00edch h\u1ee3p ho\u1eb7c thay th\u1ebf linh ki\u1ec7n XC4VLX25-11FFG668I v\u00e0o m\u1ed9t b\u1ea3ng m\u1ea1ch in (PCBA) hi\u1ec7n c\u00f3, c\u00e1c k\u1ef9 s\u01b0 n\u00ean \u01b0u ti\u00ean c\u00e1c y\u1ebfu t\u1ed1 sau:<\/p>\n<ol start=\"1\" 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\">Th\u1eddi gian \u0111\u00f3ng c\u1eeda:<\/b> Lo\u1ea1i t\u1ed1c \u0111\u1ed9 -11 c\u00f3 \u0111\u1ed9 tr\u1ec5 truy\u1ec1n t\u00edn hi\u1ec7u th\u1ea5p h\u01a1n so v\u1edbi lo\u1ea1i c\u01a1 b\u1ea3n -10. N\u1ebfu b\u1ea1n thay th\u1ebf linh ki\u1ec7n -10 b\u1eb1ng linh ki\u1ec7n -11 n\u00e0y, lu\u1ed3ng bit c\u1ee7a b\u1ea1n s\u1ebd v\u1eabn t\u01b0\u01a1ng th\u00edch, nh\u01b0ng h\u00e3y ki\u1ec3m tra xem c\u00e1c y\u00eau c\u1ea7u v\u1ec1 th\u1eddi gian gi\u1eef v\u1eabn \u0111\u01b0\u1ee3c \u0111\u00e1p \u1ee9ng hay kh\u00f4ng do t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd c\u1ee7a chip nhanh h\u01a1n.<\/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\">Qu\u1ea3n l\u00fd nhi\u1ec7t:<\/b> X\u1ebfp h\u1ea1ng c\u00f4ng nghi\u1ec7p (<span class=\"math-inline\" data-math=\"100\u00b0C\" data-index-in-node=\"43\">$100\u00b0C$<\/span> (nhi\u1ec7t \u0111\u1ed9 ti\u1ebfp \u0111i\u1ec3m t\u1ed1i \u0111a) l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c v\u1ecf b\u1ecdc k\u00edn. Tuy nhi\u00ean, g\u00f3i chip l\u1eadt FFG668 y\u00eau c\u1ea7u b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac nhi\u1ec7t ph\u1ea3i s\u1ea1ch s\u1ebd. H\u00e3y \u0111\u1ea3m b\u1ea3o t\u1ea3n nhi\u1ec7t ho\u1eb7c v\u1eadt li\u1ec7u ti\u1ebfp x\u00fac nhi\u1ec7t (TIM) hi\u1ec7n c\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n l\u1edbp oxy h\u00f3a n\u1ebfu ti\u1ebfn h\u00e0nh thay th\u1ebf t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng.<\/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\">Ti\u00eau chu\u1ea9n I\/O:<\/b> C\u00f4ng ngh\u1ec7 Virtex-4 SelectIO h\u1ed7 tr\u1ee3 nhi\u1ec1u ti\u00eau chu\u1ea9n kh\u00e1c nhau (LVDS, SSTL, HSTL). \u0110\u1ea3m b\u1ea3o r\u1eb1ng <span class=\"math-inline\" data-math=\"V_{CCO}\" data-index-in-node=\"114\">$V_{CCO}$<\/span> c\u00e1c thanh ray tr\u00ean v\u00e1n tr\u01b0\u1ee3t c\u1ee7a b\u1ea1n ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 nghi\u00eang \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh trong <code data-path-to-node=\"10,2,0\" data-index-in-node=\"189\">.ucf<\/code> ho\u1eb7c <code data-path-to-node=\"10,2,0\" data-index-in-node=\"197\">.xdc<\/code> nh\u1eefng h\u1ea1n ch\u1ebf.<\/p>\n<\/li>\n<\/ol>\n<p data-path-to-node=\"11\"><strong><span style=\"color: #003366;\">H\u1ed7 tr\u1ee3 c\u00e1c phi\u00ean b\u1ea3n c\u0169 &amp; V\u00f2ng \u0111\u1eddi s\u1ea3n ph\u1ea9m<\/span><\/strong><\/p>\n<p data-path-to-node=\"12\">D\u00f2ng s\u1ea3n ph\u1ea9m Virtex-4 s\u1eed d\u1ee5ng m\u1ed9t <b data-path-to-node=\"12\" data-index-in-node=\"27\">C\u00f4ng ngh\u1ec7 quy tr\u00ecnh 90nm<\/b>. \u0110\u1ec3 b\u1ea3o tr\u00ec theo ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7n \u0111\u1ea1i, thi\u1ebft b\u1ecb n\u00e0y c\u1ea7n c\u00f3 <b data-path-to-node=\"12\" data-index-in-node=\"101\">B\u1ed9 c\u00f4ng c\u1ee5 thi\u1ebft k\u1ebf Xilinx ISE (phi\u00ean b\u1ea3n 14.7)<\/b>. C\u1ea7n l\u01b0u \u00fd r\u1eb1ng ph\u1ea7n n\u00e0y kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1edbi Vivado. N\u1ebfu b\u1ea1n \u0111ang kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 li\u00ean quan \u0111\u1ebfn c\u1ea5u h\u00ecnh, h\u00e3y nh\u1edb r\u1eb1ng Virtex-4 s\u1eed d\u1ee5ng m\u00e3 h\u00f3a bitstream (AES) v\u00e0 c\u1ea5u tr\u00fac \u00f4 nh\u1edb c\u1ea5u h\u00ecnh (CMV) \u0111\u1ed9c \u0111\u00e1o, kh\u00e1c bi\u1ec7t so v\u1edbi c\u00e1c ki\u1ebfn tr\u00fac Spartan tr\u01b0\u1edbc \u0111\u00f3 ho\u1eb7c ki\u1ebfn tr\u00fac 7-Series sau n\u00e0y.<\/p>\n<p data-path-to-node=\"12\"><a href=\"https:\/\/www.lxbchip.com\/vi\/contact-us\/\">Li\u00ean h\u1ec7 v\u1edbi LXB Semicon<\/a>\u00a0\u0111\u1ec3 bi\u1ebft th\u00f4ng tin v\u1ec1 t\u00ecnh tr\u1ea1ng h\u00e0ng, gi\u00e1 c\u1ea3 v\u00e0 h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt.<\/p>","protected":false},"excerpt":{"rendered":"<p><strong>Nh\u00e0 s\u1ea3n xu\u1ea5t:<\/strong> AMD \/ Xilinx<br \/>\n<strong>T\u1ebf b\u00e0o logic:<\/strong> 24,576<br \/>\n<strong>C\u00e1c l\u00e1t c\u1eaft logic:<\/strong> 2,400<br \/>\n<strong>B\u1ed9 nh\u1edb RAM t\u00edch h\u1ee3p (eRAM):<\/strong> 1.658.880 bit<br \/>\n<strong>G\u00f3i:<\/strong> FFG668 (27\u00d727 mm)<br \/>\n<strong>Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng:<\/strong> T\u1eeb -40\u00b0C \u0111\u1ebfn +100\u00b0C (C\u00f4ng nghi\u1ec7p)<\/p>","protected":false},"featured_media":96,"template":"","meta":{"_acf_changed":false},"product_brand":[68],"product_cat":[21],"product_tag":[69],"class_list":["post-95","product","type-product","status-publish","has-post-thumbnail","product_brand-xilinx","product_cat-xilinx","product_tag-virtex-4-lx","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.lxbchip.com\/vi\/wp-json\/wp\/v2\/product\/95","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lxbchip.com\/vi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.lxbchip.com\/vi\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lxbchip.com\/vi\/wp-json\/wp\/v2\/media\/96"}],"wp:attachment":[{"href":"https:\/\/www.lxbchip.com\/vi\/wp-json\/wp\/v2\/media?parent=95"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.lxbchip.com\/vi\/wp-json\/wp\/v2\/product_brand?post=95"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.lxbchip.com\/vi\/wp-json\/wp\/v2\/product_cat?post=95"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.lxbchip.com\/vi\/wp-json\/wp\/v2\/product_tag?post=95"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}