{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LPC55S66JBD100K","brand":"NXP USA Inc.","brandSlug":"nxp-usa-inc","productSlug":"LPC55S66JBD100K","canonicalUrl":"https://icboms.com/nxp-usa-inc/LPC55S66JBD100K","factsUrl":"https://icboms.com/api/mcp/products/LPC55S66JBD100K","rawCanonicalId":null},"summary":{"shortDescription":"NXP LPC55S6x series ARM Cortex-M33 MCU, 32-bit single-core 150 MHz, 256 KB Flash, 144 KB RAM, 64 I/O, 1.8–3.6 V supply, -40 to 105 °C, 100-HLQFP (14x14 mm) exposed pad, USB, Flexcomm, SDIO, 10-ch 16-bit ADC, active ROHS3.","salesMarkdown":"The NXP LPC55S66JBD100K is a 32-bit ARM Cortex-M33 MCU running at 150 MHz, with 256 KB Flash and 144 KB RAM. That RAM allocation is notably deep for a mid-range MCU — it leaves room for double-buffered USB transfers, a FreeRTOS heap with several moderate-sized tasks, and a 16-bit ADC sample buffer without cramping the stack. The Cortex-M33 brings TrustZone for hardware-isolated secure regions, useful if the design needs to separate a communications stack from application code. Operating temperature spans -40 to 105 °C, so this part fits industrial motor drives, outdoor telecom pedestals, and under-hood automotive modules that see thermal cycling. ## Package and rework — 100-HLQFP with exposed pad ## Connectivity and peripherals — Flexcomm and USB The Flexcomm interface can be configured as UART, I2C, or SPI per pin pair, which simplifies PCB layout when the design needs multiple serial buses but the pin count is tight. There is also a USB Full Speed peripheral, an SDIO interface for external storage, and a 10-channel 16-bit ADC. The DMA engine can move ADC results directly to RAM without CPU intervention, which matters when the 150 MHz core is busy running a control loop or a protocol stack.","metaTitle":"NXP LPC55S66JBD100K ARM Cortex-M33 MCU, 150 MHz","metaDescription":"NXP LPC55S66JBD100K 32-bit MCU, 150 MHz Cortex-M33, 256 KB Flash, 144 KB RAM, 64 I/O, -40 to 105°C, 100-HLQFP. Active, ROHS3. Sourced to order.","metaKeywords":null},"attributes":{"series":"LPC55S6x","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Speed":"150MHz","title":"LPC55S66JBD100K","Series":"LPC55S6x","Package":"Tray","RAM Size":"144K x 8","Core Size":"32-Bit Single-Core","Peripherals":"Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT","description":"IC MCU 32BIT 256KB FLSH 100HLQFP","Connectivity":"Flexcomm, I2C, MMC/SD/SDIO, SPI, UART/USART, USB","Mounting Type":"Surface Mount","Number of I/O":"64","Core Processor":"ARM® Cortex®-M33","Package / Case":"100-LQFP Exposed Pad","Data Converters":"A/D 10x16b","Oscillator Type":"Internal","Base Product Number":"LPC55S66","Program Memory Size":"256KB (256K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 105°C (TA)","Supplier Device Package":"100-HLQFP (14x14)","Voltage - Supply (Vcc/Vdd)":"1.8V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$9.2900","priceTiers":[{"qty":1,"price":"$9.29000","currency":"USD"},{"qty":10,"price":"$7.29500","currency":"USD"},{"qty":80,"price":"$6.03913","currency":"USD"},{"qty":1350,"price":"$5.26733","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/5a4e0038af0b456da5cced46cd98246d.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LPC55S66JBD100K/alternatives.json"},"ai":{"faq":[{"question":"What is LPC55S66JBD100K's listed speed?","answer":"The core speed is 150 MHz on a 32-bit ARM Cortex-M33 single-core processor."},{"question":"What compliance documentation does NXP provide for LPC55S66JBD100K?","answer":"The part is ROHS3 compliant. NXP typically provides a RoHS certificate and a material declaration; REACH and conflict-minerals reports are available on request through the distributor."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/nxp-usa-inc/LPC55S66JBD100K","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/LPC55S66JBD100K 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}}