{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MSP430F1121AIPW","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"MSP430F1121AIPW","canonicalUrl":"https://icboms.com/texas-instruments/MSP430F1121AIPW","factsUrl":"https://icboms.com/api/mcp/products/MSP430F1121AIPW","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments MSP430x1xx series, MSP430F1121AIPW, 16-Bit MCU, 8MHz, 4KB (4K x 8 + 256B) FLASH, 20-TSSOP, -40°C~85°C.","salesMarkdown":"## 4 KB Flash and 256 B RAM — sizing the firmware and data budget The 4 KB Flash (organized as 4K x 8 plus 256 bytes of information memory) is the program store for this MCU. For a BOM decision, this means the firmware image must fit within roughly 4 KB, including interrupt vectors and any bootloader stub. The 256 x 8 RAM is the working memory — stack, global variables, and small buffers. Designs that need more than a few hundred bytes of data space or a large lookup table will exceed this part's capacity; the MSP430F1121AIPW suits applications with lean control loops, state machines, or simple sensor readout tasks where code size is the tighter constraint. ## 8 MHz core speed — what it means for timing The 8 MHz clock rate is the maximum CPU speed for this device. At 8 MHz, each instruction cycle (most single-cycle) takes 125 ns. This is adequate for polling sensors at kHz rates, handling UART communication at standard baud rates up to 115200, and running timer-based PWM or capture functions. It is not suited for high-speed DSP, video, or real-time control loops requiring sub-microsecond response — the 8 MHz ceiling sets the upper bound on throughput and interrupt latency. Designs requiring extended temperature beyond 85°C or automotive qualification (AEC-Q100) should look at other MSP430 derivatives with higher temperature ratings.","metaTitle":"MSP430F1121AIPW 16-bit MCU, 8 MHz, 4 KB Flash, 20-TSSOP","metaDescription":"Texas Instruments MSP430F1121AIPW 16-bit MCU with 8 MHz core, 4 KB Flash, 256 B RAM, 14 I/O, 1.8-3.6V supply, -40 to 85°C. Active lifecycle, available to order.","metaKeywords":null},"attributes":{"series":"MSP430x1xx","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"Texas Instruments","Speed":"8MHz","Series":"MSP430x1xx","Package":"Tube","RAM Size":"256 x 8","Core Size":"16-Bit","EEPROM Size":"-","Peripherals":"POR, WDT","Connectivity":"-","Mounting Type":"Surface Mount","Number of I/O":"14","Core Processor":"MSP430 CPU16","Package / Case":"20-TSSOP (0.173\\\", 4.40mm Width)","Product Status":"Active","Data Converters":"Slope A/D","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"MSP430F1121","Program Memory Size":"4KB (4K x 8 + 256B)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"20-TSSOP","Voltage - Supply (Vcc/Vdd)":"1.8V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$6.3200","priceTiers":[{"qty":1,"price":"$6.32000","currency":"USD"},{"qty":10,"price":"$5.67500","currency":"USD"},{"qty":25,"price":"$5.36480","currency":"USD"},{"qty":100,"price":"$4.64960","currency":"USD"},{"qty":250,"price":"$4.41112","currency":"USD"},{"qty":500,"price":"$3.95810","currency":"USD"},{"qty":1000,"price":"$3.33816","currency":"USD"},{"qty":2500,"price":"$3.17125","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/0c04dfb355e64c178c344f177e3b6cc8.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/MSP430F1121AIPW/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/MSP430F1121AIPW","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/MSP430F1121AIPW 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}}