{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MC9S08QE8CWJ","brand":"NXP Semiconductors","brandSlug":"nxp","productSlug":"MC9S08QE8CWJ","canonicalUrl":"https://icboms.com/nxp/MC9S08QE8CWJ","factsUrl":"https://icboms.com/api/mcp/products/MC9S08QE8CWJ","rawCanonicalId":null},"summary":{"shortDescription":"NXP S08 8-bit MCU, MC9S08QE8CWJ, 20 MHz, 8 KB Flash, 512 x 8 RAM, 20-SOIC, -40°C to 85°C, 1.8 V to 3.6 V.","salesMarkdown":"## 20 MHz S08 core with 8 KB Flash — what fits in the firmware budget The NXP MC9S08QE8CWJ is an 8-bit microcontroller from the S08 family, built around a 20 MHz S08 core with 8 KB of on-chip Flash program memory and 512 x 8 bytes of RAM. It integrates a 12-bit ADC with 8 multiplexed channels, plus serial interfaces covering I²C, SCI, and SPI, and on-chip peripherals including LVD, PWM, and WDT. With 16 general-purpose I/O lines in a 20-SOIC package, it targets cost-sensitive embedded control tasks where the firmware image stays under 8 KB — think simple motor commutation loops, serial bridge functions, or battery-monitor state machines. ## Supply range and I/O — single-rail design without a regulator At the low end, 1.8 V operation is useful for energy-harvesting or coin-cell designs where every millivolt of headroom extends run time. The 16 I/O pins in the 20-SOIC package leave a few lines free after allocating the serial interfaces and ADC inputs — plan the pin assignment early if you need all eight ADC channels plus I²C and SPI simultaneously. ## Temperature grade and environment It fits factory-floor controllers, outdoor telecom pedestals, HVAC zone boards, and automotive cabin modules (infotainment, climate control). It is not specified for under-hood or downhole applications where junction temperatures exceed 85°C.","metaTitle":"NXP MC9S08QE8CWJ 8-bit MCU, 20 MHz, 8 KB Flash, 20-SOIC","metaDescription":"NXP MC9S08QE8CWJ S08 8-bit MCU: 20 MHz core, 8 KB Flash, 512 x 8 RAM, I²C/SCI/SPI, 8-ch 12-bit ADC, -40°C to 85°C, 1.8-3.6 V. Active lifecycle.","metaKeywords":null},"attributes":{"series":"S08","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Analog & Data Acquisition"],"specifications":{"Speed":"20MHz","Series":"S08","Package":"Tube","RAM Size":"512 x 8","Core Size":"8-Bit","Peripherals":"LVD, PWM, WDT","Connectivity":"I²C, LINbus, SCI, SPI","Mounting Type":"Surface Mount","Number of I/O":"16","Core Processor":"S08","Package / Case":"20-SOIC (0.295\\\", 7.50mm Width)","Data Converters":"A/D 8x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Program Memory Size":"8KB (8K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"20-SOIC","Voltage - Supply (Vcc/Vdd)":"1.8V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$5.93","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$5.93000","currency":"USD"},{"qty":10,"price":"$4.63400","currency":"USD"},{"qty":100,"price":"$3.79700","currency":"USD"},{"qty":500,"price":"$3.71716","currency":"USD"},{"qty":1000,"price":"$3.13496","currency":"USD"},{"qty":2500,"price":"$2.97822","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/e4200f1901dbf1f7a6b6d793eb738374.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is the MC9S08QE8CWJ obsolete or end-of-life?","answer":"No."},{"question":"Where can I download the MC9S08QE8CWJ datasheet?","answer":"The datasheet for the MC9S08QE8CWJ is available from NXP's documentation portal. Search for 'MC9S08QE8' to find the family reference manual and the specific datasheet covering this 20-SOIC variant."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/nxp/MC9S08QE8CWJ","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/nxp/MC9S08QE8CWJ 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}}