{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MSP430AFE221IPWR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"MSP430AFE221IPWR","canonicalUrl":"https://icboms.com/texas-instruments/MSP430AFE221IPWR","factsUrl":"https://icboms.com/api/mcp/products/MSP430AFE221IPWR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments MSP430AFE221IPWR, 16-bit MSP430 CPU16, 12 MHz, 4KB Flash, 256 x 8 RAM, 24-TSSOP, -40 to 85°C.","salesMarkdown":"## Where it fits — energy metering, instrumentation, and sensor conditioning The 24-bit ADC targets applications that require high-resolution measurement of low-level analog signals: single-phase energy metering, weigh scales, strain-gauge bridges, thermocouple or RTD conditioning, and portable instrumentation. The 11 general-purpose I/Os, SPI and UART/USART connectivity, and internal oscillator keep the external BOM lean for a sensor-to-communication chain. ## Lifecycle alert — conflicting signals; verify before committing The part carries an EOL/hot lifecycle flag, which typically means the manufacturer has issued a discontinuation notice and the last-time-buy window is open or closing. However, the supplier device status is listed as Active. This discrepancy is a red flag for any BOM line: a sourcing buyer must confirm the real production status with the manufacturer or a trusted distributor before freezing a design or placing a volume order. If the part is genuinely EOL, the 24-TSSOP footprint and MSP430F2xx architecture may have a pin-compatible successor in the MSP430AFE2xx family — check the base product number MSP430AFE221 for official cross-references. ## 12 MHz CPU — enough for the ADC, not for heavy control The 12 MHz core speed is modest. It is sufficient to manage the 24-bit ADC conversions, process the digital results, and communicate over SPI or UART at moderate data rates. But it will not sustain high-speed control loops, heavy protocol stacks, or graphical user interfaces. The MSP430AFE221IPWR is a measurement engine, not a general-purpose application processor — size the BOM accordingly.","metaTitle":"TI MSP430AFE221IPWR 16-bit MCU, 12 MHz, 24-bit ADC, 4KB Flash","metaDescription":"MSP430AFE221IPWR from Texas Instruments: 16-bit MCU with 12 MHz CPU, 24-bit Sigma-Delta ADC, 4KB Flash, 256B RAM. Industrial temp range. Sourced to order — request quote.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"Texas Instruments","Speed":"12MHz","Series":"MSP430F2xx","Package":"Tape & Reel (TR); Cut Tape (CT)","RAM Size":"256 x 8","Core Size":"16-Bit","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, PWM, WDT","Connectivity":"SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"11","Core Processor":"MSP430 CPU16","Package / Case":"24-TSSOP (0.173\\\", 4.40mm Width)","Product Status":"Active","Data Converters":"A/D 1x24b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"MSP430AFE221","Program Memory Size":"4KB (4K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"24-TSSOP","Voltage - Supply (Vcc/Vdd)":"1.8V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.6238","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/c7412554fb8cd23d208fe08bda354203.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/MSP430AFE221IPWR/alternatives.json"},"ai":{"faq":[{"question":"Does MSP430AFE221IPWR have a 24-bit Sigma-Delta ADC?","answer":"Yes, the MSP430AFE221IPWR integrates a single-channel 24-bit Sigma-Delta ADC, which is its standout feature for precision measurement applications."},{"question":"Is MSP430AFE221IPWR obsolete?","answer":"The part carries an EOL/hot lifecycle flag, but the supplier device status is listed as Active. This is a conflict — verify the real production status with the manufacturer or a distributor before ordering for a production BOM."},{"question":"What is the difference between MSP430AFE221IPWR and MSP430AFE222IPWR?","answer":"The MSP430AFE222IPWR typically offers additional memory or peripheral features within the same MSP430AFE2xx family. The exact difference should be verified against the datasheet, but the base product number MSP430AFE221 suggests it is the entry-level density option."},{"question":"Is MSP430AFE221IPWR compatible with 3.3V operation?","answer":"Yes, the supply range of 1.8 V to 3.6 V includes 3.3 V, so the part operates directly on a 3.3 V rail."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/MSP430AFE221IPWR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/MSP430AFE221IPWR 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}}