{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MC9S08GT8AMFDE","brand":"NXP Semiconductors","brandSlug":"nxp","productSlug":"MC9S08GT8AMFDE","canonicalUrl":"https://icboms.com/nxp/MC9S08GT8AMFDE","factsUrl":"https://icboms.com/api/mcp/products/MC9S08GT8AMFDE","rawCanonicalId":null},"summary":{"shortDescription":"NXP S08 series 8-bit MCU, MC9S08GT8AMFDE, S08 core, 40 MHz, 8 KB Flash, 39 I/O, I2C/SCI/SPI, 8x10b ADC, 1.8 V, -40°C to 125°C, 48-QFN.","salesMarkdown":"## 40 MHz S08 core in a 48-QFN — what this part is The NXP MC9S08GT8AMFDE is an 8-bit microcontroller built around the S08 CPU core, running at 40 MHz. On-chip peripherals include an 8-channel 10-bit ADC, plus I2C, SCI, and SPI serial interfaces for sensor and actuator communication. For a part without an explicit AEC-Q100 grade in the listing, the 125°C max is the spec that tells you it was designed for the thermal extremes of motor compartments, outdoor base stations, and factory-floor enclosures. The 1.8 V supply holds across the range, so regulator dropout margin needs checking at the hot end. ## Peripheral set for control and sensor fusion The 8-channel 10-bit ADC gives you enough analog inputs to monitor a mix of temperature, pressure, or current sensors without an external multiplexer. The I2C and SPI ports handle digital sensor buses and serial memories; the SCI (UART) provides a debug or host-communication link. Internal oscillator, LVD, POR, PWM, and WDT blocks reduce external BOM count — the part can run standalone with just a decoupling cap and the 1.8 V rail.","metaTitle":"NXP MC9S08GT8AMFDE 8-bit MCU, S08 core, 40 MHz, 8 KB Flash","metaDescription":"NXP MC9S08GT8AMFDE 8-bit S08 MCU: 40 MHz core, 8 KB Flash, 8-ch 10-bit ADC, I2C/SCI/SPI, -40°C to 125°C, 1.8 V supply, 48-QFN. Active lifecycle.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"series":"S08","has_mpn":"MC9S08","cpu_core":"S08","frame_size":"8-Bit","fuse_speed":"40 MHz","connectivity":"I2C, SCI, SPI","package_type":"Bulk","Number Of I/O":"39","mounting_type":"Surface Mount","product_status":"Active","Data Converters":"A/D 8x10b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","peripheral_types":"LVD, POR, PWM, WDT","supply_voltage_v":"1.8","Program Memory Type":"FLASH","Operating Temperature High":"-40°C to 125°C (TA)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$4.84","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/a62d3e65ff5b5ad8368a980776a78b8b.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/MC9S08GT8AMFDE/alternatives.json"},"ai":{"faq":[{"question":"Where can I find the datasheet for MC9S08GT8AMFDE?","answer":"The NXP datasheet for the MC9S08GT8AMFDE (document MC9S08GT8A) is available from NXP's document portal. The part is part of the S08 family, and the datasheet covers the full GT8A series including memory maps, register descriptions, and electrical characteristics."},{"question":"What development tools support MC9S08GT8AMFDE?","answer":"The S08 core is supported by NXP's CodeWarrior for MCU (legacy) and the MCUxpresso IDE with appropriate S08 plug-ins. For hardware debug, the USBDM or PEmicro Cyclone programmer interfaces work with the standard BDM (Background Debug Mode) port on the 48-QFN package."},{"question":"What are the alternatives or equivalents to MC9S08GT8AMFDE?","answer":"Within NXP's S08 family, pin-compatible alternatives include the MC9S08GT16A (16 KB Flash) and MC9S08GT32A (32 KB Flash) in the same 48-QFN footprint. For a different architecture with higher performance, the MK51DX128CMC7 (72 MHz ARM Cortex-M4) is a functional alternative but not pin-compatible — it requires a board redesign and a different toolchain."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/nxp/MC9S08GT8AMFDE","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/nxp/MC9S08GT8AMFDE 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}}