{"id":5195,"date":"2026-06-09T10:12:42","date_gmt":"2026-06-09T10:12:42","guid":{"rendered":"https:\/\/materialparts.com\/is43dr16640c-25dbli\/"},"modified":"2026-06-09T10:12:42","modified_gmt":"2026-06-09T10:12:42","slug":"is43dr16640c-25dbli","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/is43dr16640c-25dbli\/","title":{"rendered":"IS43DR16640C-25DBLI"},"content":{"rendered":"

Productos<\/h2>\n

IS43DR16640C-25DBLI from ISSI is a 256Mb DDR SDRAM, 16Mx16, speed grade -25 (400MHz). 2.5V SSTL_2 interface. Industrial temperature. BGA-66 package.<\/p>\n

Principio de funcionamiento<\/h2>\n

DDR SDRAM uses double data rate transfer on both clock edges. Internal banks allow interleaved access. CAS latency 2.5 at -25 speed grade. Auto refresh every 64ms (4096 cycles).<\/p>\n

Pin Description<\/h2>\n\n\n\n\n\n
Grupo Pin<\/th>\nNombre<\/th>\nFunci\u00f3n<\/th>\n<\/tr>\n
Data<\/td>\nDQ0-DQ15<\/td>\nData bus<\/td>\n<\/tr>\n
Address<\/td>\nA0-A12<\/td>\nAddress bus<\/td>\n<\/tr>\n
Controlar<\/td>\nCS\/RAS\/CAS\/WE<\/td>\nCommand inputs<\/td>\n<\/tr>\n<\/table>\n

Aplicaciones<\/h2>\n
    \n
  • Embedded system main memory<\/li>\n
  • Networking equipment buffer<\/li>\n
  • Industrial computing<\/li>\n<\/ul>\n

    Alternative Models<\/h2>\n\n\n\n
    Fabricante<\/th>\nN\u00famero de pieza<\/th>\nNotas<\/th>\n<\/tr>\n
    Micron<\/td>\nMT46V16M16TG-6IT:F<\/td>\nSimilar DDR SDRAM<\/td>\n<\/tr>\n<\/table>","protected":false},"excerpt":{"rendered":"

    Product Overview IS43DR16640C-25DBLI from ISSI is a 256Mb DDR SDRAM, 16Mx16, speed grade -25 (400MHz). 2.5V SSTL_2 interface. Industrial temperature. BGA-66 package. Working Principle DDR SDRAM uses double data rate transfer on both clock edges. Internal banks allow interleaved access. CAS latency 2.5 at -25 speed grade. Auto refresh every 64ms (4096 cycles). Pin Description […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13],"tags":[],"chip_brand":[210],"class_list":["post-5195","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","chip_brand-issi"],"acf":{"brief_explanation":"256Mb DDR SDRAM, 16Mx16, -25 speed, BGA-66","date_code":"","package_case":"BGA-66 (8.0 x 10.0 x 1.2mm, 0.8mm pitch)","in_stock":2434,"datasheet":"https:\/\/www.issi.com\/WW\/pdf\/IS43-45DR16640C.pdf","price":"$5.80 @ 1ku","product_introduction":"IS43DR16640C-25DBLI from ISSI is a 256Mb DDR SDRAM, 16Mx16, speed grade -25 (400MHz). 2.5V SSTL_2 interface. Industrial temperature. BGA-66 package.","working_principle":"DDR SDRAM uses double data rate transfer on both clock edges. Internal banks allow interleaved access. CAS latency 2.5 at -25 speed grade. Auto refresh every 64ms (4096 cycles).","pin_description":"
    Pin Group<\/th>Name<\/th>Function<\/th><\/tr>
    Data<\/td>DQ0-DQ15<\/td>Data bus<\/td><\/tr>
    Address<\/td>A0-A12<\/td>Address bus<\/td><\/tr>
    Control<\/td>CS\/RAS\/CAS\/WE<\/td>Command inputs<\/td><\/tr><\/table>","application_scenarios":"
    • Embedded system main memory<\/li>
    • Networking equipment buffer<\/li>
    • Industrial computing<\/li><\/ul>","alternative_models":"
      Manufacturer<\/th>Part Number<\/th>Notes<\/th><\/tr>
      Micron<\/td>MT46V16M16TG-6IT:F<\/td>Similar DDR SDRAM<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/5195","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/comments?post=5195"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/5195\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=5195"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=5195"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=5195"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=5195"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}