{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MSP430F46191IPZ","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"MSP430F46191IPZ","canonicalUrl":"https://icboms.com/texas-instruments/MSP430F46191IPZ","factsUrl":"https://icboms.com/api/mcp/products/MSP430F46191IPZ","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments MSP430F46191IPZ, 16-bit MSP430 CPUX, 8MHz, 120KB Flash, 4K x 8 RAM, LCD driver, DMA, 80 I/O, -40 to 85°C, 100-LQFP (14x14).","salesMarkdown":"## 120 KB Flash and 4K x 8 RAM — firmware and data budget The 120 KB Flash (organized 120K x 8 plus 256 bytes) provides enough code space for complex measurement algorithms, protocol stacks, and a bootloader for field updates. The 4K x 8 RAM handles moderate data logging or buffering; designs that need larger runtime data sets should budget for external SRAM or move to a higher-RAM sibling in the MSP430x4xx family. ## LCD driver and DMA — BOM consolidation The on-chip LCD driver directly controls segment-type LCDs up to a certain segment count, eliminating a separate display driver IC and reducing board area in panel meters or portable instruments. The DMA controller offloads the CPU during data transfers between memory and peripherals, freeing the core to handle real-time control loops. The base product number MSP430F46191 covers multiple package and temperature variants; the IPZ suffix denotes the 100-LQFP package with industrial temperature range. For dual-source planning, the MSP430x4xx family includes several pin-compatible density options — qualify the alternate now if the BOM demands a second source.","metaTitle":"TI MSP430F46191IPZ 16-bit MCU, 120KB Flash, 8MHz, 100-LQFP","metaDescription":"MSP430F46191IPZ from TI: 16-bit MSP430 CPUX, 8MHz, 120KB Flash, 4K x 8 RAM, LCD driver, DMA, 80 I/O, -40 to 85°C, 100-LQFP. Active lifecycle. Sourced to order.","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":"4K 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":"MSP430F46191","Program Memory Size":"120KB (120K 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/MSP430F46191IPZ/alternatives.json"},"ai":{"faq":[{"question":"Is MSP430F46191IPZ obsolete or active?","answer":"The MSP430F46191IPZ is listed as Active by Texas Instruments, with ongoing production and distribution support."},{"question":"What is the closest pin-compatible alternative to MSP430F46191IPZ?","answer":"Within the MSP430x4xx family, several density variants share the same 100-LQFP footprint and peripheral set — review the TI MSP430F4619x product page for Flash and RAM options that match your firmware size and data budget."},{"question":"What is MSP430F46191IPZ's listed speed?","answer":"The core runs at 8 MHz, which is typical for the MSP430x4xx family and sufficient for real-time metrology, display updates, and serial communication without external oscillators."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/MSP430F46191IPZ","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/MSP430F46191IPZ 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}}