{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"YW80C196NU40","brand":"Intel","brandSlug":"intel","productSlug":"YW80C196NU40","canonicalUrl":"https://icboms.com/intel/YW80C196NU40","factsUrl":"https://icboms.com/api/mcp/products/YW80C196NU40","rawCanonicalId":null},"summary":{"shortDescription":"Intel MCS-96 16-bit MCU, 80C series, YW80C196NU40, 40 MHz core, ROMless program memory, 1K x 8 RAM, 32 I/O, PWM, SIO, 4.5-5.5V supply, 0°C to 70°C, 100-BFQFP.","salesMarkdown":"## 16-bit MCS-96 at 40 MHz – ROMless, 5V, commercial temp The YW80C196NU40 is an Intel MCS-96 16-bit microcontroller running at 40 MHz. It carries 1K x 8 of on-chip RAM for register file and scratchpad, but has no internal program memory — firmware lives in an external ROM or Flash device. The part is rated for 4.5 V to 5.5 V supply and operates over the 0°C to 70°C commercial temperature range. Peripherals include PWM outputs and a serial I/O (SIO) channel, with 32 general-purpose I/O lines brought out. The oscillator is external, so a crystal or clock source is required on the board. Package is a 100-pin BFQFP for surface-mount assembly. ## ROMless architecture — external program store required Because the YW80C196NU40 is ROMless, the design must include an external EPROM, Flash, or OTP memory mapped into the MCS-96 bus. That adds board area and a separate memory device to the BOM, but also gives flexibility in code size and field-update strategy — swap the external part rather than respin the MCU. The 100-BFQFP pinout exposes the full address/data bus for external memory interface.","metaTitle":"YW80C196NU40 – Intel MCS-96 16-bit MCU, 40 MHz, ROMless, 100-BFQFP","metaDescription":"Active 16-bit MCU with 40 MHz MCS-96 core, 1K x 8 RAM, ROMless, 32 I/O, PWM, SIO, 4.5-5.5V supply, 0-70°C. Sourced to order. Request quote.","metaKeywords":null},"attributes":{"series":"80C","packageCase":null,"mountingType":null,"rohsStatus":"Not applicable","productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"Speed":"40MHz","Series":"80C","Package":"Bulk","RAM Size":"1K x 8","Core Size":"16-Bit","Peripherals":"PWM","Connectivity":"SIO","Mounting Type":"Surface Mount","Number of I/O":"32","Core Processor":"MCS 96","Package / Case":"100-BFQFP","Oscillator Type":"External","lifecycle_stage":"eol_hot","Program Memory Type":"ROMless","Operating Temperature":"0°C ~ 70°C (TA)","Voltage - Supply (Vcc/Vdd)":"4.5V ~ 5.5V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$11.71","stockQuantity":0,"priceTiers":[{"qty":26,"price":"$11.71000","currency":"USD"}]},"links":{"datasheetUrl":"http://embed.widencdn.net/pdf/plus/rocelec/muhxpzd0ei/RE_DSHEET_8xC196KC-KC20_REI.pdf?u=5oefqw","sourceUrl":null},"ai":{"faq":[{"question":"What is the operating voltage of YW80C196NU40?","answer":"The supply range is 4.5 V to 5.5 V, a standard 5 V logic rail."},{"question":"What are the specifications of YW80C196NU40?","answer":"16-bit MCS-96 core at 40 MHz, 1K x 8 RAM, ROMless program memory, 32 I/O, PWM, SIO, external oscillator, 4.5-5.5V supply, 0°C to 70°C, 100-BFQFP package."},{"question":"What is the equivalent of YW80C196NU40?","answer":"The TN80C196KC20 is a peer MCS-96 16-bit MCU with similar ROMless architecture, but runs at 20 MHz, includes an 8-channel 10-bit A/D converter, and operates over -40°C to 85°C. The N80C196KC20 is another sibling with OTP program memory at 20 MHz. Neither is a drop-in replacement for the YW80C196NU40 — verify pinout and bus timing before substituting."},{"question":"What is YW80C196NU40's listed speed?","answer":"The core speed is 40 MHz."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/intel/YW80C196NU40","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/intel/YW80C196NU40 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-11T19:48:11.535Z","lastPublished":"2026-07-11T19:48:11.535Z","indexable":true}}