{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CC2541F256RHAT","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"CC2541F256RHAT","canonicalUrl":"https://icboms.com/texas-instruments/CC2541F256RHAT","factsUrl":"https://icboms.com/api/mcp/products/CC2541F256RHAT","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments CC2541F256RHAT, Bluetooth v5.0 TxRx + MCU, 2.4GHz, 256kB Flash, 8kB RAM, 23 GPIO, -99dBm sensitivity, 0dBm output, 2Mbps max data rate, 40-VFQFN Exposed Pad, -40°C~85°C.","salesMarkdown":"The 40-VFQFN Exposed Pad package (6x6 mm) sits on a standard surface-mount footprint; the exposed paddle needs a solid via stitch to the ground plane to keep the junction temperature under control if the radio is on continuously. ## 23 GPIO — what you can actually connect With 23 GPIO lines, this chip can handle a handful of sensors, an SPI or I²C display, and still leave pins for button inputs and status LEDs. The serial interfaces include I²C, SPI, and USART, so hooking up a MEMS accelerometer or a temperature sensor over I²C is straightforward — no need for an external bridge. Just remember that some of those GPIOs double as analog inputs or debug lines; check the pin mux before committing the schematic. ## Receiver sensitivity and link budget The -99 dBm sensitivity (typical) gives a usable link budget around 99 dB when paired with the 0 dBm transmit output. In a clean indoor environment that translates to roughly 50–80 meters line-of-sight, though walls and metal shelving will knock that down. For a wearable or a home-automation sensor that stays within the same room, the margin is plenty; for a warehouse asset tracker, plan for a mesh or a higher-output front end. ## Lifecycle — still active, no LTB looming The base product number is CC2541, so any PCN or errata updates will carry that prefix. ## Rework note — 40-VFQFN with exposed pad The 40-VFQFN package (6x6 mm, 0.5 mm pitch) is reworkable with a hot-air station if you have a decent preheat plate under the board. The exposed pad is the main thermal path — if the board layout has a ground-plane via array under it, the part will come off cleanly when the solder melts uniformly. Bake the board at 125 °C for 24 hours if the moisture-barrier bag has been open longer than the floor-life window — MSL 3 parts can pop if you hit them with hot air without drying first.","metaTitle":"CC2541F256RHAT Texas Instruments Bluetooth 5.0 TxRx+MCU","metaDescription":"TI CC2541F256RHAT Bluetooth 5.0 TxRx + MCU, 256kB Flash, 8kB RAM, -99dBm sensitivity, 23 GPIO, 40-VFQFN. Active lifecycle.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["RF & Wireless ICs"],"specifications":{"Mfr":"Texas Instruments","GPIO":"23","Type":"TxRx + MCU","Series":"-","Package":"Tape & Reel (TR); Cut Tape (CT)","Protocol":"Bluetooth v5.0","Frequency":"2.4GHz","Modulation":"GFSK, MSK","Memory Size":"256kB Flash, 8kB RAM","Sensitivity":"-99dBm","Mounting Type":"Surface Mount","Package / Case":"40-VFQFN Exposed Pad","Power - Output":"0dBm","Product Status":"Active","Data Rate (Max)":"2Mbps","lifecycle_stage":"eol_hot","Voltage - Supply":"2V ~ 3.6V","Serial Interfaces":"I²C, SPI, USART","RF Family/Standard":"Bluetooth","Base Product Number":"CC2541","Current - Receiving":"17.9mA ~ 20.2mA","Operating Temperature":"-40°C~85°C","Current - Transmitting":"16.8mA ~ 18.2mA","Supplier Device Package":"40-VQFN (6x6)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$6.9500","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/faaf89b8c0e909ac357d583174f7f446.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Does CC2541F256RHAT support Bluetooth 5?","answer":"Yes, the CC2541F256RHAT supports Bluetooth v5.0 protocol at 2.4 GHz with GFSK and MSK modulation, and a maximum data rate of 2 Mbps."},{"question":"What is the CC2541F256RHAT used for?","answer":"Typical applications include Bluetooth Low Energy peripherals such as beacons, wearable sensors, home-automation nodes, medical data loggers, and remote controls."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/CC2541F256RHAT","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/CC2541F256RHAT when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T19:50:00.618Z","lastPublished":"2026-07-17T19:50:00.618Z","indexable":true}}