{"id":5676,"date":"2026-06-11T03:49:55","date_gmt":"2026-06-11T03:49:55","guid":{"rendered":"https:\/\/materialparts.com\/sst89e516rd2-40-i-nje\/"},"modified":"2026-06-12T03:27:13","modified_gmt":"2026-06-12T03:27:13","slug":"sst89e516rd2-40-i-nje","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/sst89e516rd2-40-i-nje\/","title":{"rendered":"SST89E516RD2-40-I-NJE"},"content":{"rendered":"

\u4ea7\u54c1\u6982\u89c8<\/h2>\n

The SST89E516RD2-40-I-NJE from SST (Microchip) is a high-speed 8051-compatible MCU with 64KB SuperFlash, 1KB RAM, and in-application programming in PLCC-44.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n
\u5305\u88c5<\/td>\nPLCC-44<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • See datasheet for complete specifications<\/li>\n
  • Industry-standard package<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Industrial control<\/li>\n
    • Consumer electronics<\/li>\n
    • Communication equipment<\/li>\n
    • Power management<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The SST89E516RD2-40-I-NJE from SST (Microchip) is a high-speed 8051-compatible MCU with 64KB SuperFlash, 1KB RAM, and in-application programming in PLCC-44. Key Specifications Package PLCC-44 Features See datasheet for complete specifications Industry-standard package Applications Industrial control Consumer electronics Communication equipment Power management<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,25],"tags":[],"chip_brand":[134],"class_list":["post-5676","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-microcontrollers-mcu","chip_brand-microchip"],"acf":{"brief_explanation":"8-bit 8051 MCU, 64KB SuperFlash, 40MHz, PLCC-44","date_code":"","package_case":"PLCC-44","in_stock":10662,"datasheet":"https:\/\/www.microchip.com\/en-us\/product\/SST89E516RD2","price":"$3.80 @ 1ku","product_introduction":"The SST89E516RD2-40-I-NJE from SST (Microchip) is a high-speed 8051-compatible MCU with 64KB SuperFlash, 1KB RAM, and in-application programming in PLCC-44.","working_principle":"The SST89E516RD2-40-I-NJE is an 8051-compatible microcontroller from Microchip (formerly Silicon Storage Technology) in PLCC-44, running at 40MHz with 64KB SuperFlash EEPROM and 1024 bytes of SRAM. The key feature is the dual-bank Flash architecture: 64KB is split into a primary bank (48KB at 0x0000-0xBFFF) and a secondary bank (8KB at 0xC000-0xDFFF). The secondary bank is read-protected and can contain a bootloader that provides IAP (In-Application Programming): the bootloader can erase and reprogram the primary bank via UART, SPI, or I2C without any external programmer. The SuperFlash technology uses a split-gate cell that provides 100,000 write\/erase cycles (10x more than standard Flash) and 100-year data retention. The device includes two UARTs (UART0 on P3.0\/P3.1, UART1 on P4.2\/P4.3), three 16-bit timers (Timer0\/1\/2), a PCA (Programmable Counter Array) with 5 modules supporting capture, compare, PWM, and watchdog, and an SPI port (P1.5-P1.7). The 8051 core executes one instruction per 12 clock cycles (standard 8051 timing) or per 6 clock cycles (at 40MHz, equivalent to 80MHz standard 8051). The -40 suffix specifies 40MHz operation. The -I suffix specifies industrial temperature (-40C to +85C). The -NJE suffix specifies PLCC-44, lead-free. The device is popular in legacy industrial designs, bootloader-based firmware updates, and applications requiring high endurance Flash.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1-8<\/td>P0.0-P0.7<\/td>I\/O<\/td>Port 0 (GPIO\/address\/data bus, open-drain)<\/td><\/tr>
      9-16<\/td>P2.0-P2.7<\/td>I\/O<\/td>Port 2 (GPIO\/address bus high byte)<\/td><\/tr>
      17-24<\/td>P1.0-P1.7<\/td>I\/O<\/td>Port 1 (GPIO\/T2\/T2EX\/PCA\/SPI)<\/td><\/tr>
      25-32<\/td>P3.0-P3.7<\/td>I\/O<\/td>Port 3 (GPIO\/UART0\/INT0-1\/T0-T1\/WR\/RD)<\/td><\/tr>
      33-40<\/td>P4.0-P4.7<\/td>I\/O<\/td>Port 4 (GPIO\/UART1\/PCA\/SPI\/ALE\/EA)<\/td><\/tr>
      41-44<\/td>VDD\/VSS\/XTAL1\/XTAL2\/RST<\/td>Power\/CLK<\/td>Supply, ground, crystal, reset<\/td><\/tr><\/table>","application_scenarios":"
    • Industrial control<\/li>
    • Consumer electronics<\/li>
    • Communication equipment<\/li>
    • Power management<\/li>","alternative_models":"
      Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
      Microchip<\/td>SST89E516RD2-40-I-NJE<\/td>PLCC-44<\/td>Same device, Microchip brand<\/td><\/tr>
      Microchip<\/td>SST89E516RD2-40C-NJE<\/td>PLCC-44<\/td>Commercial temp version (0-70C)<\/td><\/tr>
      Microchip<\/td>SST89V516RD2-40-I-NJE<\/td>PLCC-44<\/td>1.8V core, 3.3V I\/O version<\/td><\/tr>
      STMicroelectronics<\/td>STC89C52RC<\/td>DIP-40<\/td>8051 clone, 8KB Flash, lower cost<\/td><\/tr>
      Silicon Labs<\/td>C8051F020-TQFP64<\/td>TQFP-64<\/td>8051, 25MHz, 64KB Flash, mixed-signal<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5676","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/comments?post=5676"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5676\/revisions"}],"predecessor-version":[{"id":6121,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5676\/revisions\/6121"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=5676"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=5676"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=5676"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=5676"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}