{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LPC43S70FET256E","brand":"NXP USA Inc.","brandSlug":"nxp-usa-inc","productSlug":"LPC43S70FET256E","canonicalUrl":"https://icboms.com/nxp-usa-inc/LPC43S70FET256E","factsUrl":"https://icboms.com/api/mcp/products/LPC43S70FET256E","rawCanonicalId":null},"summary":{"shortDescription":"NXP LPC43xx series, dual-core ARM Cortex-M4/M0 at 204MHz, ROMless, 164 I/O, Ethernet/CAN/USB OTG, 2.2–3.6 V, -40 to 85°C, 256-LBGA.","salesMarkdown":"## Dual-core at 204 MHz — what that means on the bench The NXP LPC43S70FET256E packs an ARM Cortex-M4 and a Cortex-M0 on the same die, clocked at 204 MHz. That M0 handles housekeeping — CANbus traffic, UART polling, PWM updates — while the M4 runs the control loop or protocol stack. The split keeps interrupt latency off the main thread. 164 I/O and a full Ethernet MAC with MII/RMII make it a natural fit for industrial gateways, motor drives with encoder feedback, or any panel controller that needs both deterministic logic and a network stack. ## ROMless — plan your boot strategy ## Active production — no LTB scramble Status is Active, so this isn't a last-time-buy or NRND part. You can qualify it into a production BOM without worrying about a surprise EOL notice next quarter. That said, the LPC43xx family has a broad pin-compatible range — if you need more RAM or a different peripheral set, the sibling parts share the same 256-LBGA footprint. For dual-sourcing, NXP's own LPC43S70 series variants are the natural cross-shop; no second-source ID is listed here, but the active lifecycle means supply through the independent channel is steady.","metaTitle":"NXP LPC43S70FET256E Dual-Core MCU, 204MHz, 164 I/O, 256-LBGA","metaDescription":"NXP LPC43S70FET256E dual-core ARM Cortex-M4/M0 MCU at 204MHz. 282K x 8 RAM, 164 I/O, Ethernet/CAN/USB OTG. Active production. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Speed":"204MHz","title":"LPC43S70FET256E","Series":"LPC43xx","Package":"Tray","RAM Size":"282K x 8","Core Size":"32-Bit Dual-Core","Peripherals":"Brown-out Detect/Reset, DMA, I²S, LCD, POR, PWM, WDT","Connectivity":"CANbus, EBI/EMI, Ethernet, I²C, IrDA, Microwire, MMC/SD, QEI, SPI, SSI, SSP, UART/USART, USB, USB OTG","Mounting Type":"Surface Mount","Number of I/O":"164","Core Processor":"ARM® Cortex®-M4/M0","Package / Case":"256-LBGA","Data Converters":"A/D 3x12b; D/A 1x10b","Oscillator Type":"Internal","Base Product Number":"LPC43S70","Program Memory Type":"ROMless","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"256-LBGA (17x17)","Voltage - Supply (Vcc/Vdd)":"2.2V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$14.4953","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/61a6cced074e258235796ea0bbf24f5f.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LPC43S70FET256E/alternatives.json"},"ai":{"faq":[{"question":"What is LPC43S70FET256E's listed speed?","answer":"The core runs at 204 MHz. That is the maximum clock for both the Cortex-M4 and Cortex-M0 cores, giving you a single-cycle MAC on the M4 and low-latency interrupt handling on the M0."},{"question":"What compliance documentation does NXP provide for LPC43S70FET256E?","answer":"NXP typically supplies RoHS and REACH declarations for this series. The 256-LBGA package is lead-free compatible. Specific certificates are available on request at quote time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/nxp-usa-inc/LPC43S70FET256E","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/nxp-usa-inc/LPC43S70FET256E when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-16T10:39:33.080Z","lastPublished":"2026-07-16T10:39:33.080Z","indexable":true}}