{"id":10241,"date":"2026-07-09T08:33:14","date_gmt":"2026-07-09T08:33:14","guid":{"rendered":"https:\/\/materialparts.com\/is25wp256d-jlle\/"},"modified":"2026-07-09T08:35:11","modified_gmt":"2026-07-09T08:35:11","slug":"is25wp256d-jlle","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/is25wp256d-jlle\/","title":{"rendered":"IS25WP256D-JLLE"},"content":{"rendered":"

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

The IS25WP256D-JLLE is a ISSI product designed for electronic applications. It features compact design with reliable performance characteristics suitable for various industrial and consumer applications.<\/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\n\n\n\n\n\n\n\n
Memory Type<\/td>\nSPI NOR Flash<\/td>\n<\/tr>\n
\u0627\u0644\u0643\u062b\u0627\u0641\u0629<\/td>\n256Mbit (32MB)<\/td>\n<\/tr>\n
Organization<\/td>\n32M x 8<\/td>\n<\/tr>\n
\u0627\u0644\u0648\u0627\u062c\u0647\u0629<\/td>\nSPI \/ Dual I\/O \/ Quad I\/O \/ QPI \/ DTR<\/td>\n<\/tr>\n
Max Clock Frequency (Single\/Dual\/Quad)<\/td>\n133 MHz (at 1.65-1.95V)<\/td>\n<\/tr>\n
Max Clock Frequency (QPI)<\/td>\n133 \u0645\u064a\u062c\u0627\u0647\u0631\u062a\u0632<\/td>\n<\/tr>\n
DTR Mode Clock<\/td>\n80 MHz (equivalent 664 Mbps)<\/td>\n<\/tr>\n
\u062c\u0647\u062f \u0627\u0644\u0625\u0645\u062f\u0627\u062f<\/td>\n1.65V to 1.95V (1.8V Typ)<\/td>\n<\/tr>\n
\u062a\u064a\u0627\u0631 \u0627\u0644\u0642\u0631\u0627\u0621\u0629 \u0627\u0644\u0646\u0634\u0637 \u0644\u0644\u0642\u0631\u0627\u0621\u0629 \u0627\u0644\u0646\u0634\u0637\u0629<\/td>\n7.5 mA (Typ)<\/td>\n<\/tr>\n
\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0627\u062d\u062a\u064a\u0627\u0637\u064a<\/td>\n10 uA (Typ)<\/td>\n<\/tr>\n
Deep Power Down<\/td>\n1 uA (Typ)<\/td>\n<\/tr>\n
Page Size<\/td>\n256 bytes<\/td>\n<\/tr>\n
Sector\/Block Size<\/td>\n4KB \/ 32KB \/ 64KB uniform<\/td>\n<\/tr>\n
\u062f\u0648\u0631\u0627\u062a \u0627\u0644\u0628\u0631\u0645\u062c\u0629\/\u0627\u0644\u0645\u0633\u062d \u0627\u0644\u0628\u0631\u0645\u062c\u064a<\/td>\n100,000<\/td>\n<\/tr>\n
\u0627\u0644\u0627\u062d\u062a\u0641\u0627\u0638 \u0628\u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a<\/td>\n20 Years<\/td>\n<\/tr>\n
Addressing Mode<\/td>\n3-byte or 4-byte<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n-40 C to +105 C (Extended)<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\n8-WSON (6.0 x 8.0 mm, exposed pad)<\/td>\n<\/tr>\n
Security<\/td>\n4x256B OTP, 128-bit Unique ID, Advanced Sector Protection<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n

256Mbit SPI NOR Flash with 1.8V supply; Supports Standard\/Dual\/Quad SPI, QPI, and DTR modes; 133MHz clock in Quad I\/O; 80MHz DTR for 664 Mbps throughput; 3-byte and 4-byte addressing modes; QPI mode with 2-cycle instruction for reduced overhead; Uniform 4KB\/32KB\/64KB sector\/block erase; Program\/Erase Suspend and Resume; AutoBoot operation for rapid startup; Configurable drive strength and dummy cycles; 4×256-byte dedicated OTP security area; 128-bit unique ID per device; Advanced sector\/block protection; Power supply lock protection; Deep power down (1uA); SFDP (Serial Flash Discoverable Parameters) support; Extended temperature range to +105C<\/p>\n

\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n

Automotive infotainment and ADAS; Industrial embedded systems; FPGA configuration storage; IoT and connected devices; Smart meters and energy management; Telecom and networking; Data storage and code shadowing; Execute-in-place (XIP) applications<\/p>","protected":false},"excerpt":{"rendered":"

Product Overview The IS25WP256D-JLLE is a ISSI product designed for electronic applications. It features compact design with reliable performance characteristics suitable for various industrial and consumer applications. Key Specifications Memory Type SPI NOR Flash Density 256Mbit (32MB) Organization 32M x 8 Interface SPI \/ Dual I\/O \/ Quad I\/O \/ QPI \/ DTR Max Clock […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[39,13,4],"tags":[1495],"chip_brand":[210],"class_list":["post-10241","post","type-post","status-publish","format-standard","hentry","category-flash-memory-nand-nor-flash","category-integrated-circuits-ics","category-memory-chips","tag-is25wp256d-jlle","chip_brand-issi"],"acf":{"brief_explanation":"256Mbit SPI NOR Flash, 1.8V, QPI\/QSPI, 104MHz, DTR, WSON-8 6x8mm, -40 to 105C","date_code":"","package_case":"8-WSON (6.0 x 8.0 x 0.73 mm, exposed pad)","in_stock":13368,"datasheet":"https:\/\/www.issi.com\/WW\/pdf\/IS25LP(WP)256D.pdf","price":"$4.50 @ 1ku","product_introduction":"The IS25WP256D-JLLE from ISSI is a 256Mbit (32MB) SPI NOR Flash memory device operating at 1.8V (1.65V to 1.95V), designed for high-performance code and data storage in embedded and automotive applications. The device supports a comprehensive set of SPI interfaces including Standard SPI, Dual I\/O, Quad I\/O, QPI (Quad Peripheral Interface), and DTR (Double Transfer Rate) modes, achieving up to 664 Mbps equivalent throughput in QPI DTR mode. The 4-byte addressing mode enables access to the full 256Mbit density, while 3-byte mode provides backward compatibility for legacy controllers. The QPI mode reduces instruction overhead to just 2 clock cycles, significantly improving random access performance for XIP (execute-in-place) applications. The JLLE package designation indicates the 8-contact WSON (6x8mm) package with exposed thermal pad, providing excellent thermal performance in a compact footprint. The device features 4KB, 32KB, and 64KB uniform sector\/block erase, program\/erase suspend and resume for real-time interrupt handling, and AutoBoot for automatic data output after power-on reset. Security features include a 128-bit unique device ID, 4x256-byte OTP (one-time programmable) security areas, and advanced sector\/block protection with power supply lock.","working_principle":"The IS25WP256D-JLLE operates through a serial peripheral interface where the host controller communicates by asserting CS# and clocking commands, addresses, and data via the SI, SO, SCK, and WP#\/HOLD# pins (which become bidirectional IO0-IO3 in multi-I\/O modes). In Standard SPI mode, commands and addresses are sent serially on SI (IO0) and data is returned on SO (IO1). In Quad I\/O mode, all four I\/O pins are used for both address and data transfer, quadrupling the effective bandwidth. QPI mode goes further by using 4-bit instruction encoding, reducing the command phase from 8 serial clocks to just 2 quad-clock cycles. DTR (Double Transfer Rate) transfers data on both rising and falling edges of SCK, effectively doubling the data rate per pin. The memory array is organized as uniform 4KB sectors that can also be erased in 32KB or 64KB blocks. Programming loads up to 256 bytes into a page buffer before the internal write state machine applies high-voltage pulses to inject charge into the floating gates. The 4-byte addressing mode extends the address space beyond 128Mbit by using 32-bit addresses, essential for accessing the full 256Mbit density. The AutoBoot feature stores a configuration in non-volatile registers that automatically triggers a read sequence after power-on, enabling the MCU to boot directly from the flash without first issuing read commands.","pin_description":"
Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
1<\/td>CS#<\/td>Input<\/td>Active-low chip select; selects the device for SPI operations<\/td><\/tr>
2<\/td>SO\/IO1<\/td>I\/O<\/td>Serial data output in SPI; IO1 in Dual\/Quad\/QPI modes<\/td><\/tr>
3<\/td>WP#\/IO2<\/td>I\/O<\/td>Write protect in SPI; IO2 in Quad\/QPI modes<\/td><\/tr>
4<\/td>VSS<\/td>Power<\/td>Ground reference<\/td><\/tr>
5<\/td>SI\/IO0<\/td>I\/O<\/td>Serial data input in SPI; IO0 in Dual\/Quad\/QPI modes<\/td><\/tr>
6<\/td>SCK<\/td>Input<\/td>Serial clock; controls data transfer timing up to 133MHz<\/td><\/tr>
7<\/td>HOLD#\/IO3<\/td>I\/O<\/td>Hold in SPI; IO3 in Quad\/QPI modes; RESET# in dedicated option<\/td><\/tr>
8<\/td>VCC<\/td>Power<\/td>Power supply (1.65V to 1.95V)<\/td><\/tr>
EP<\/td>Exposed Pad<\/td>Thermal<\/td>Thermal pad connected to VSS; solder to PCB for heat dissipation<\/td><\/tr><\/table>","application_scenarios":"
  • FPGA Configuration:<\/strong> Stores FPGA bitstream with AutoBoot enabling rapid configuration after power-on, and 4-byte addressing for large 256Mbit images.<\/li>
  • Automotive ADAS:<\/strong> Provides 1.8V SPI NOR Flash for radar and camera ECUs with extended temperature range to +105C and QPI for high-bandwidth code access.<\/li>
  • IoT and Wearables:<\/strong> Ultra-low 1uA deep power down and 1.8V operation ideal for battery-powered connected devices requiring code storage.<\/li>
  • Industrial XIP:<\/strong> Enables execute-in-place for industrial MCUs with 664 Mbps QPI DTR throughput eliminating RAM shadowing overhead.<\/li><\/ul>","alternative_models":"
    Manufacturer<\/th>Part Number<\/th>Package<\/th>Density<\/th>Notes<\/th><\/tr>
    ISSI<\/td>IS25LP256D-JLLE<\/td>WSON-8<\/td>256Mbit<\/td>3V version (2.3-3.6V)<\/td><\/tr>
    ISSI<\/td>IS25WP256D-MLLE<\/td>16-SOIC<\/td>256Mbit<\/td>SOIC package variant<\/td><\/tr>
    Macronix<\/td>MX25V25635FMI<\/td>WSON-8<\/td>256Mbit<\/td>1.8V pin-compatible alternative<\/td><\/tr>
    Winbond<\/td>W25V256JVEIQ<\/td>WSON-8<\/td>256Mbit<\/td>1.8V QSPI NOR alternative<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/10241","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=10241"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/10241\/revisions"}],"predecessor-version":[{"id":10251,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/10241\/revisions\/10251"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=10241"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=10241"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=10241"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=10241"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}