{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LPC1774FBD144,551","brand":"NXP USA Inc.","brandSlug":"nxp-usa-inc","productSlug":"LPC1774FBD144~6551","canonicalUrl":"https://icboms.com/nxp-usa-inc/LPC1774FBD144~6551","factsUrl":"https://icboms.com/api/mcp/products/LPC1774FBD144%2C551","rawCanonicalId":null},"summary":{"shortDescription":"NXP LPC17xx series ARM Cortex-M3 MCU, LPC1774FBD144,551: 32-bit single-core at 120MHz, 128KB Flash, 40KB SRAM, 109 I/O, USB OTG, CAN, SPI/SSP, UART/USART, 2.4-3.6V supply, -40°C to 85°C, 144-LQFP (20×20mm) tray.","salesMarkdown":"The 120 MHz core clock gives this MCU enough headroom to run a real-time control loop, handle protocol stacks (CAN, USB), and service interrupts without stalling. For a motor-drive or multi-axis controller, that clock rate supports PWM update rates in the tens of kilohertz and fast fault-response latencies. The 40 KB SRAM is sized for moderate data buffers and stack depth — enough for a CANopen node or a small HMI panel, but not for large frame buffers or extensive data logging without external memory. ## Connectivity and I/O — BOM simplification The 109 I/O lines in a 144-LQFP footprint mean most designs can avoid port expanders.","metaTitle":"NXP LPC1774FBD144,551 ARM Cortex-M3 MCU, 120MHz, 128KB Flash","metaDescription":"NXP LPC1774FBD144,551 32-bit ARM Cortex-M3 MCU at 120MHz with 128KB Flash, 40KB SRAM, 109 I/O, USB OTG, CAN, SPI. Industrial temp -40 to 85°C. Active lifecycle, available to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Speed":"120MHz","title":"LPC1774FBD144,551","Series":"LPC17xx","Package":"Tray","RAM Size":"40K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"2K x 8","Peripherals":"Brown-out Detect/Reset, DMA, I²S, Motor Control PWM, POR, PWM, WDT","Connectivity":"CANbus, EBI/EMI, I²C, Microwire, Memory Card, SPI, SSI, SSP, UART/USART, USB OTG","Mounting Type":"Surface Mount","Number of I/O":"109","Core Processor":"ARM® Cortex®-M3","Package / Case":"144-LQFP","Data Converters":"A/D 8x12b; D/A 1x10b","Oscillator Type":"Internal","Base Product Number":"LPC1774","Program Memory Size":"128KB (128K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"144-LQFP (20x20)","Voltage - Supply (Vcc/Vdd)":"2.4V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$14.3300","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/4278e59578ca7293fc712c532fb837fd.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LPC1774FBD144%2C551/alternatives.json"},"ai":{"faq":[{"question":"What is the flash size of LPC1774FBD144,551?","answer":"The LPC1774FBD144,551 has 128 KB of Flash program memory (128K x 8)."},{"question":"Is LPC1774FBD144,551 obsolete?","answer":"No, the LPC1774FBD144,551 is listed as Active in production — no discontinuation notice has been issued."},{"question":"What is the maximum clock speed of LPC1774FBD144?","answer":"The maximum clock speed is 120 MHz."},{"question":"Can LPC1774FBD144 replace LPC1768?","answer":"The LPC1774 is a member of the same LPC17xx family and shares the Cortex-M3 core and many peripherals, but pin compatibility and exact feature differences (such as Flash and SRAM sizes) must be verified against the respective datasheets before substitution."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/nxp-usa-inc/LPC1774FBD144~6551","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/LPC1774FBD144~6551 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-11T17:20:20.394Z","lastPublished":"2026-07-11T17:20:20.394Z","indexable":true}}