{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MSP430F155IRTDR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"MSP430F155IRTDR","canonicalUrl":"https://icboms.com/texas-instruments/MSP430F155IRTDR","factsUrl":"https://icboms.com/api/mcp/products/MSP430F155IRTDR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments MSP430F155IRTDR, 16-bit MSP430 CPU16 MCU, 8 MHz, 16 KB Flash, 512 B RAM, 48 I/O, I²C/SPI/UART, A/D 8x12b, D/A 2x12b, 64-VFQFN exposed pad, -40 to 85°C.","salesMarkdown":"The 8 MHz clock rate sets the instruction throughput ceiling. The internal oscillator saves an external crystal. ## Memory budget: 16 KB Flash, 512 B RAM 16 KB of Flash holds the firmware image plus 256 bytes of information memory for calibration constants or bootloader parameters. The 512 bytes of RAM are shared with the register file — enough for a modest stack, a few ring buffers, and runtime variables. If the application needs a larger lookup table or a communication buffer, the RAM budget is the tighter constraint; plan to use the Flash for constant data where possible. ## Mixed-signal on the same die The 8-channel 12-bit ADC and the dual 12-bit DAC eliminate the need for external converters in many sensor and actuator loops. The ADC samples at a rate that keeps up with the 8 MHz core for most low-speed instrumentation; the DAC outputs can drive an analog setpoint or a bias voltage directly. ## I/O and connectivity 48 general-purpose I/O pins are available. The serial interfaces cover I²C, SPI, and UART/USART.","metaTitle":"TI MSP430F155IRTDR 16-bit MCU, 8 MHz, 16 KB Flash, 64-VQFN","metaDescription":"Texas Instruments MSP430F155IRTDR 16-bit MCU with 8 MHz core, 16 KB Flash, 512 B RAM, 8x12b ADC, 2x12b DAC. Industrial temp -40 to 85°C. 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":"MSP430x1xx","Package":"Tape & Reel (TR)","RAM Size":"512 x 8","Core Size":"16-Bit","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, DMA, POR, PWM, WDT","Connectivity":"I²C, SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"48","Core Processor":"MSP430 CPU16","Package / Case":"64-VFQFN Exposed Pad","Product Status":"Active","Data Converters":"A/D 8x12b; D/A 2x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"MSP430F155","Program Memory Size":"16KB (16K x 8 + 256B)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"64-VQFN (9x9)","Voltage - Supply (Vcc/Vdd)":"1.8V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$9.0317","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/eb54a0334359f82a23bc86a5655b7764.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/MSP430F155IRTDR/alternatives.json"},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to MSP430F155IRTDR?","answer":"The MSP430F155 base product number shares a pin-compatible footprint with other MSP430F15x devices such as the MSP430F156 (24 KB Flash) and MSP430F157 (32 KB Flash). Verify the current lifecycle status of any replacement before committing the BOM, as TI may have moved those variants to EOL as well."},{"question":"What is MSP430F155IRTDR's speed rating?","answer":"The core runs at 8 MHz, which is the maximum clock frequency for the MSP430 CPU16 in this device. The internal oscillator provides the clock by default, but an external crystal or clock source can be used for tighter timing accuracy."},{"question":"What is the operating temperature range for MSP430F155IRTDR?","answer":"The device is rated for -40°C to 85°C ambient, which qualifies it for industrial environments such as factory automation, outdoor telecom cabinets, and engine-bay-adjacent electronics."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/MSP430F155IRTDR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/MSP430F155IRTDR 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}}