{"id":2481,"date":"2026-05-21T01:19:46","date_gmt":"2026-05-21T01:19:46","guid":{"rendered":"https:\/\/materialparts.com\/23lc1024-i-sn\/"},"modified":"2026-05-21T01:19:46","modified_gmt":"2026-05-21T01:19:46","slug":"23lc1024-i-sn","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/23lc1024-i-sn\/","title":{"rendered":"23LC1024-I\/SN"},"content":{"rendered":"

\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n

The 23LC1024-I\/SN from Microchip Technology is a 1Mbit (128KB) Serial SRAM with SDI, SPI, and SQI interface options. It features 20MHz clock speed, unlimited read\/write endurance, 8-byte page mode, and byte-level random access in an 8-pin SOIC package.<\/p>\n

\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n
\u0627\u0644\u0634\u0631\u0643\u0629 \u0627\u0644\u0645\u0635\u0646\u0639\u0629<\/td>\nMicrochip Technology<\/td>\n<\/tr>\n
Memory Type<\/td>\nSerial SRAM<\/td>\n<\/tr>\n
\u0627\u0644\u0643\u062b\u0627\u0641\u0629<\/td>\n1Mbit (128K x 8)<\/td>\n<\/tr>\n
\u0627\u0644\u0648\u0627\u062c\u0647\u0629<\/td>\nSDI \/ SPI \/ SQI<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0644\u062a\u0631\u062f\u062f \u0627\u0644\u0633\u0627\u0639\u0629<\/td>\n20MHz (SPI), 20MHz (SQI)<\/td>\n<\/tr>\n
\u062c\u0647\u062f \u0627\u0644\u0625\u0645\u062f\u0627\u062f<\/td>\n2.5V to 5.5V<\/td>\n<\/tr>\n
\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0627\u062d\u062a\u064a\u0627\u0637\u064a<\/td>\n5uA typical<\/td>\n<\/tr>\n
Active Current<\/td>\n3mA typical @ 20MHz<\/td>\n<\/tr>\n
Write Endurance<\/td>\nUnlimited<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\n8-SOIC (5.0 x 4.0mm)<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n-40C to +85C<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • 1Mbit serial SRAM with three interface modes<\/li>\n
  • SDI (Serial Dual Interface), SPI, and SQI modes<\/li>\n
  • Unlimited read\/write endurance<\/li>\n
  • Byte-level random access<\/li>\n
  • 8-byte page mode for faster access<\/li>\n
  • Low standby current: 5uA typical<\/li>\n
  • Single-cycle read\/write in SQI mode<\/li>\n
  • Hold pin for pausing serial communication<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • External RAM expansion for microcontrollers<\/li>\n
    • Graphics and display buffers<\/li>\n
    • Data logging and audio buffers<\/li>\n
    • Embedded systems requiring additional SRAM<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The 23LC1024-I\/SN from Microchip Technology is a 1Mbit (128KB) Serial SRAM with SDI, SPI, and SQI interface options. It features 20MHz clock speed, unlimited read\/write endurance, 8-byte page mode, and byte-level random access in an 8-pin SOIC package. Key Specifications Manufacturer Microchip Technology Memory Type Serial SRAM Density 1Mbit (128K x 8) Interface […]<\/p>\n","protected":false},"author":2,"featured_media":2867,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13],"tags":[],"chip_brand":[134],"class_list":["post-2481","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-integrated-circuits-ics","chip_brand-microchip"],"acf":{"brief_explanation":"1Mbit Serial SRAM, SPI\/SDI\/SQI, 20MHz, unlimited endurance, 8-SOIC","date_code":"","package_case":"8-SOIC (5.0 x 4.0 x 1.5mm)","in_stock":6340,"datasheet":"https:\/\/www.microchip.com\/en-us\/product\/23LC1024","price":"$1.85 @ 1ku","product_introduction":"The Microchip 23LC1024-I\/SN is a 1Mbit serial SRAM device designed to provide additional RAM to microcontroller-based systems using a simple serial interface. The device supports three interface modes: standard SPI (single data line), SDI (dual data lines for 2x throughput), and SQI (quad data lines for 4x throughput). Unlike EEPROM or Flash, SRAM provides unlimited read\/write endurance with no page-erase requirements. The device operates from 2.5V to 5.5V and features byte-level random access, making it ideal for applications requiring frequent data updates. The 8-byte page mode allows faster sequential access for data streaming applications.","working_principle":"The 23LC1024-I\/SN operates as a serially-accessed SRAM with three interface modes: 1) SPI Mode: Standard 4-wire SPI interface with MOSI, MISO, SCK, and CS pins. Each read or write operation requires a command byte followed by 24-bit address, transferring one byte per clock cycle. 2) SDI Mode: Uses two data lines (SIO0 and SIO1) for input and output simultaneously, doubling throughput compared to SPI. 3) SQI Mode: Uses all four data lines (SIO0-SIO3) for both input and output, quadrupling throughput. Single-cycle read\/write is supported in SQI mode. The internal SRAM array provides direct byte-level access without erase requirements, enabling true random access with unlimited endurance.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>CS<\/td>Input<\/td>Chip select (active low)<\/td><\/tr>
      2<\/td>SIO1\/SO<\/td>I\/O<\/td>Serial data out \/ SIO1 in SDI\/SQI<\/td><\/tr>
      3<\/td>SIO2<\/td>I\/O<\/td>Serial data 2 (SQI mode)<\/td><\/tr>
      4<\/td>VSS<\/td>Power<\/td>Ground<\/td><\/tr>
      5<\/td>SIO0\/SI<\/td>I\/O<\/td>Serial data in \/ SIO0 in SDI\/SQI<\/td><\/tr>
      6<\/td>SCK<\/td>Input<\/td>Serial clock<\/td><\/tr>
      7<\/td>HOLD<\/td>Input<\/td>Hold (pauses serial communication)<\/td><\/tr>
      8<\/td>VDD<\/td>Power<\/td>Supply voltage (2.5V to 5.5V)<\/td><\/tr><\/table>","application_scenarios":"
      • External SRAM expansion for MCU with limited on-chip RAM<\/li>
      • Graphics display frame buffer in embedded systems<\/li>
      • Audio streaming buffer in IoT devices<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        Microchip<\/td>23LC512-I\/SN<\/td>8-SOIC<\/td>512Kbit, same series<\/td><\/tr>
        Microchip<\/td>23LCV1024-I\/ST<\/td>TSSOP-8<\/td>1Mbit with battery backup<\/td><\/tr>
        ISSI<\/td>IS62WVS1024BLL<\/td>8-SOIC<\/td>1Mbit serial SRAM<\/td><\/tr>
        AP Memory<\/td>APS6404L-3SQN<\/td>8-SOIC<\/td>4Mbit, SPI\/QPI SRAM<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/2481","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/comments?post=2481"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/2481\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media\/2867"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=2481"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=2481"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=2481"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=2481"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}