{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CY8C20234-12SXIT","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"CY8C20234-12SXIT","canonicalUrl":"https://icboms.com/infineon/CY8C20234-12SXIT","factsUrl":"https://icboms.com/api/mcp/products/CY8C20234-12SXIT","rawCanonicalId":null},"summary":{"shortDescription":"Infineon PSoC®1 CY8C20xxx, CY8C20234-12SXIT, 8-bit M8C MCU, 12 MHz, 8KB Flash, 512 x 8 RAM, I²C, SPI, 13 I/O, 2.4V to 5.25V, -40°C to 85°C, 16-SOIC.","salesMarkdown":"## PSoC 1 CY8C20234-12SXIT — 8-bit M8C MCU for compact sensor and control nodes The Infineon CY8C20234-12SXIT is an 8-bit microcontroller from the PSoC 1 CY8C20xxx family, built around the proprietary M8C core clocked at 12 MHz. It carries 8 KB of Flash program memory and 512 x 8 bytes of RAM, with an internal oscillator. The part is rated for -40°C to 85°C and operates from 2.4 V to 5.25 V. With 13 general-purpose I/O lines and serial interfaces for I²C and SPI, this MCU is sized for cost-sensitive applications such as simple sensor hubs, human-interface controllers, and basic actuator management in industrial or consumer equipment. The integrated peripherals — Low-Voltage Detect (LVD), Power-On Reset (POR), and Watchdog Timer (WDT) — reduce external component count and improve system reliability. ## 12 MHz core — what it means for your firmware timing The M8C core at 12 MHz delivers throughput for polling loops, state machines, and serial communication at typical I²C and SPI bit rates. The internal oscillator means one less BOM line and no external load-capacitor pair. ## Memory footprint: 8 KB Flash, 512 x 8 RAM The 8 KB Flash is sufficient for small firmware images — bootloader, main control loop, and a modest lookup table. The 512-byte RAM (organized as 512 x 8) limits data buffering; a design streaming sensor readings over I²C will need to manage buffer sizes carefully. For applications that exceed this footprint, the CY8C29566-24AXIT from the PSoC 1 CY8C29xxx series offers a larger memory map and additional peripherals, though at a higher pin count and cost. ## Package and footprint: 16-SOIC Housed in a 16-SOIC package (3.90 mm body width), the CY8C20234-12SXIT uses a standard SOIC-16 land pattern. The Cut Tape variant is also available for prototyping or low-volume builds. ## Lifecycle and sourcing reality For BOM planning, there is no last-time-buy risk to model, and the part is suitable for both new designs and ongoing production.","metaTitle":"Infineon CY8C20234-12SXIT PSoC 1 MCU, 8-bit M8C, 12 MHz","metaDescription":"CY8C20234-12SXIT 8-bit PSoC 1 MCU with M8C core at 12 MHz, 8 KB Flash, 512 x 8 RAM, I²C/SPI, 13 I/O, 2.4-5.25 V, -40 to 85°C, 16-SOIC. Active, RoHS3.","metaKeywords":null},"attributes":{"series":"PSOC®1 CY8C20xxx","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Analog & Data Acquisition"],"specifications":{"Speed":"12MHz","Series":"PSOC®1 CY8C20xxx","Package":"Tape & Reel (TR); Cut Tape (CT)","RAM Size":"512 x 8","Core Size":"8-Bit","Peripherals":"LVD, POR, WDT","Connectivity":"I²C, SPI","Mounting Type":"Surface Mount","Number of I/O":"13","Core Processor":"M8C","Package / Case":"16-SOIC (0.154\\\", 3.90mm Width)","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":"16-SOIC","Voltage - Supply (Vcc/Vdd)":"2.4V ~ 5.25V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.69","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$3.69000","currency":"USD"},{"qty":10,"price":"$3.31700","currency":"USD"},{"qty":25,"price":"$3.13600","currency":"USD"},{"qty":100,"price":"$2.71790","currency":"USD"},{"qty":250,"price":"$2.57852","currency":"USD"},{"qty":500,"price":"$2.31370","currency":"USD"},{"qty":1000,"price":"$1.95132","currency":"USD"},{"qty":2500,"price":"$1.85375","currency":"USD"},{"qty":5000,"price":"$1.78406","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/09777980010cd1a6c3f4b32eac643d2e.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the equivalent or replacement for CY8C20234-12SXIT?","answer":"There is no direct pin-compatible replacement listed. For a higher-performance alternative within the PSoC 1 family, the CY8C29566-24AXIT offers a 24 MHz M8C core, more I/O (40), and additional peripherals like UART/USART and data converters, but it comes in a different package (TQFP) and has a larger footprint. Evaluate the CY8C29566-24AXIT if your design needs more headroom and can accommodate the package change."},{"question":"Is CY8C20234-12SXIT compatible with 3.3V logic?","answer":"Yes. With a supply range that includes 3.3 V, the MCU operates natively at 3.3 V. The I/O pins are rated for the full Vcc range, so 3.3 V logic levels are within spec."},{"question":"What is the difference between CY8C20234-12SXI and CY8C20234-12SXIT?","answer":"The 'T' suffix in CY8C20234-12SXIT indicates Tape & Reel packaging, while the CY8C20234-12SXI (without the T) is typically supplied in Tube or Tray. The silicon and electrical specifications are identical. Choose the 'T' variant for automated assembly lines; use the non-T variant for hand-assembly or low-volume prototyping."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/CY8C20234-12SXIT","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/CY8C20234-12SXIT 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}}