{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MSP430F1491IPMG4","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"MSP430F1491IPMG4","canonicalUrl":"https://icboms.com/texas-instruments/MSP430F1491IPMG4","factsUrl":"https://icboms.com/api/mcp/products/MSP430F1491IPMG4","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments MSP430x1xx series, 16-bit MCU, MSP430F1491IPMG4, 8 MHz, 60 KB Flash, 2 KB RAM, 48 I/O, SPI/UART, 64-LQFP, -40°C to 85°C, Tray.","salesMarkdown":"## Memory and core — the real resource ceiling The MSP430F1491IPMG4: 60 KB of on-chip Flash (60K x 8 plus 256 B) and 2 KB of RAM (2K x 8) define the application envelope. The Flash is generous for a 16-bit mixed-signal MCU — enough for a moderate RTOS kernel, a protocol stack, and application code. The 2 KB RAM is the tighter resource: a single 1 KB data buffer plus a 512-byte stack leaves only 512 bytes for dynamic variables. The 8 MHz core speed, driven by the internal oscillator, sets the throughput ceiling. Actual instruction throughput depends on the Flash wait-state configuration at that clock rate — the MSP430 CPU16 pipeline stalls when fetching from Flash at higher frequencies, so the effective MIPS is lower than the raw clock suggests. ## Supply and temperature — battery and environment fit The on-chip POR and WDT reduce the need for external supervisor ICs, saving board space and BOM cost in battery-powered or remote deployments. ## Package and I/O — layout constraints A two-layer board can break out only the outer rows of the package, limiting usable I/O to about 32–36 pins. The 48 I/O lines include SPI and UART/USART interfaces — no I2C or CAN peripheral is on this device. If the application needs those buses, an external bridge or a different MSP430 variant is required.","metaTitle":"Texas Instruments MSP430F1491IPMG4 16-bit MCU, 8 MHz","metaDescription":"Active Texas Instruments MSP430F1491IPMG4 16-bit MCU, 8 MHz, 60 KB Flash, 2 KB RAM, 48 I/O, SPI/UART, -40°C to 85°C, 64-LQFP. Quoted 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":"MSP430x1xx","Package":"Tray","RAM Size":"2K x 8","Core Size":"16-Bit","EEPROM Size":"-","Peripherals":"POR, PWM, WDT","Connectivity":"SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"48","Core Processor":"MSP430 CPU16","Package / Case":"64-LQFP","Data Converters":"Slope A/D","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"MSP430F1491","Program Memory Size":"60KB (60K x 8 + 256B)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"64-LQFP (10x10)","Voltage - Supply (Vcc/Vdd)":"1.8V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$106.8000","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/2aa7acdd7480e3bd3263b4c69f43f618.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/MSP430F1491IPMG4/alternatives.json"},"ai":{"faq":[{"question":"How can I order MSP430F1491IPMG4 or check availability?","answer":"Submit an RFQ through this listing. No stock-holding claim is made on this page."},{"question":"What is the closest pin-compatible alternative to MSP430F1491IPMG4?","answer":"The MSP430x1xx family includes many variants with different memory and peripheral mixes, but a direct pin-for-pin replacement requires checking the TI cross-reference tool or comparing the 64-LQFP pinout against other MSP430F149x order codes."},{"question":"What compliance documentation does Texas Instruments provide for MSP430F1491IPMG4?","answer":"TI typically provides a RoHS/REACH certificate and material declaration upon request through their documentation portal."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/MSP430F1491IPMG4","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/MSP430F1491IPMG4 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}}