{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3S1601-IBZ50-A2","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3S1601-IBZ50-A2","canonicalUrl":"https://icboms.com/texas-instruments/LM3S1601-IBZ50-A2","factsUrl":"https://icboms.com/api/mcp/products/LM3S1601-IBZ50-A2","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments Stellaris ARM Cortex-M3S 1000 series 32-bit MCU, LM3S1601-IBZ50-A2, 50MHz, 128KB flash, 32KB SRAM, 60 I/O, 108-BGA, -40 to 85°C.","salesMarkdown":"Texas Instruments lists the LM3S1601-IBZ50-A2 as NRND (Not Recommended for New Designs). This means the part is still available for existing production but is no longer the target for new board spins. ## 50 MHz Cortex-M3 with 128 KB flash The flash holds the application code and bootloader; the SRAM leaves room for a moderate stack and heap — enough for a real-time control loop with a few communication buffers. The internal oscillator means you can skip an external crystal for many designs, though the PLL still needs a reference if you push the core to 50 MHz. ## 108-BGA package and board integration Housed in a 108-ball LFBGA (10x10 mm body), this is a fine-pitch BGA — not a hand-solderable package. The 0.80 mm ball pitch is manageable with a stencil and reflow oven, but a 4-layer board with via-in-pad or dog-bone fan-out is the practical minimum. The 60 GPIOs break out to the perimeter balls, so routing to peripheral connectors is straightforward if you plan the fan-out layer stack. ## Industrial temperature and supply range The brown-out detect and POR peripherals handle power-up sequencing without a supervisor IC. ## Connectivity and peripheral set The part includes I²C, SPI, SSI, UART/USART, and IrDA interfaces — enough for sensor buses, serial displays, and debug UARTs. The PWM and WDT peripherals are useful for motor control loops and watchdog supervision. With 60 GPIOs, you can run a parallel LCD or a keypad matrix alongside the serial interfaces without an I/O expander.","metaTitle":"LM3S1601-IBZ50-A2 Texas Instruments ARM Cortex-M3 MCU, 50MHz","metaDescription":"Texas Instruments LM3S1601-IBZ50-A2 Stellaris ARM Cortex-M3 MCU, 50MHz, 128KB flash, 32KB SRAM, 108-BGA. NRND — sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"NRND","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"Texas Instruments","Speed":"50MHz","Series":"Stellaris® ARM® Cortex®-M3S 1000","Package":"Tray","RAM Size":"32K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, POR, PWM, WDT","Connectivity":"I²C, IrDA, Microwire, SPI, SSI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"60","Core Processor":"ARM® Cortex®-M3","Package / Case":"108-LFBGA","Product Status":"Not For New Designs","Data Converters":"-","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"LM3S1601","Program Memory Size":"128KB (128K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"108-BGA (10x10)","Voltage - Supply (Vcc/Vdd)":"2.25V ~ 2.75V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$26.3568","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/4169b290b2692fdd6b7d8516973e8d54.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM3S1601-IBZ50-A2/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy LM3S1601-IBZ50-A2 and how is it quoted?","answer":"This part is sourced to order through independent distribution channels. No stock-holding claim is made — each order is verified against the available surplus and broker inventory."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3S1601-IBZ50-A2","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM3S1601-IBZ50-A2 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-21T02:42:25.610Z","lastPublished":"2026-07-21T02:42:25.610Z","indexable":true}}