{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MSP430F46181IPZ","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"MSP430F46181IPZ","canonicalUrl":"https://icboms.com/texas-instruments/MSP430F46181IPZ","factsUrl":"https://icboms.com/api/mcp/products/MSP430F46181IPZ","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments MSP430F46181IPZ, MSP430x4xx series, 16-bit MSP430 CPUX at 8 MHz, 116 KB Flash / 8 KB RAM, 80 I/O, 100-LQFP, 1.8–3.6 V, -40 to 85 °C, LCD controller, DMA, I²C/SPI/UART/IrDA.","salesMarkdown":"At 8 MHz, this isn't a high-throughput DSP or a motor-FOC engine. It's sized for moderate-rate control loops — reading a handful of analog inputs, updating a segment LCD, and handling serial comms without a bottleneck. The DMA engine offloads data transfers from the CPU, so you can keep the LCD refreshed or buffer UART traffic without eating into the 8 MHz MIPS budget. For a display panel or a data-logging node, that's the right trade-off: enough compute for the task, low enough power to stretch battery life. ## Where it fits — display panels, data loggers, battery instruments The integrated LCD controller is the standout feature here — it drives a segment LCD directly, saving an external driver IC and the board space it would take. That makes this part a natural fit for handheld meters, flow totalizers, thermostat panels, or any battery-powered instrument that needs a local readout. The 80 I/O lines give you headroom for a keypad matrix, external memory, or a parallel interface to a sensor array. Mount it in the 100-LQFP footprint, route the LCD segment lines to the display connector, and you've got a self-contained UI controller.","metaTitle":"Texas Instruments MSP430F46181IPZ 16-bit MCU, 8 MHz, 116 KB Flash, 100-LQFP","metaDescription":"MSP430F46181IPZ 16-bit MSP430 CPUX MCU at 8 MHz, 116 KB Flash, 8 KB RAM, 80 I/O, LCD controller, 1.8–3.6 V, -40 to 85 °C. Active but end-of-life — sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"Texas Instruments","Speed":"8MHz","Series":"MSP430x4xx","Package":"Tube","RAM Size":"8K x 8","Core Size":"16-Bit","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT","Connectivity":"I²C, IrDA, SCI, SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"80","Core Processor":"MSP430 CPUX","Package / Case":"100-LQFP","Product Status":"Active","Data Converters":"-","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"MSP430F46181","Program Memory Size":"116KB (116K x 8 + 256B)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"100-LQFP (14x14)","Voltage - Supply (Vcc/Vdd)":"1.8V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$15.4074","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/1fcea670b9343edbca2b2bc7659e99b7.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/MSP430F46181IPZ/alternatives.json"},"ai":{"faq":[{"question":"What is the operating voltage range of MSP430F46181IPZ?","answer":"The supply range is 1.8 V to 3.6 V, covering single-cell battery operation and standard 3.3 V logic rails."},{"question":"What is MSP430F46181IPZ's listed speed?","answer":"The core runs at 8 MHz, which is the CPU clock speed for this 16-bit MSP430 CPUX processor."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/MSP430F46181IPZ","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/MSP430F46181IPZ when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}