{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CY8C4146FNI-S433T","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"CY8C4146FNI-S433T","canonicalUrl":"https://icboms.com/infineon/CY8C4146FNI-S433T","factsUrl":"https://icboms.com/api/mcp/products/CY8C4146FNI-S433T","rawCanonicalId":null},"summary":{"shortDescription":"Infineon Technologies PSoC® 4 CY8C4100S ARM Cortex-M0+ MCU, CY8C4146FNI-S433T, 48MHz, 64KB Flash, 8KB RAM, CapSense, 12-bit SAR ADC, 35-WLCSP, -40°C to 85°C.","salesMarkdown":"## 48 MHz Cortex-M0+ with integrated analog — the CapSense and sensor hub MCU The CY8C4146FNI-S433T is a PSoC 4 part built around a 32-bit ARM Cortex-M0+ core running at 48 MHz. What sets it apart from a generic M0+ MCU is the programmable analog and digital fabric on the same die — the on-chip CapSense block, 12-bit SAR ADC, and dual IDACs mean a capacitive touch interface or analog sensor front-end fits without external converters. 64 KB of flash and 8 KB of RAM are modest by application-processor standards, but they are sized for the single-chip control-and-UI role this part targets: a touch panel with a few sensor inputs, a simple LCD segment display, and a serial link back to a host controller. ## WLCSP package — board space drives the package choice The 35-ball WLCSP (2.11 x 2.6 mm) is the smallest package option in the PSoC 4 CY8C4100S series. At this pitch, the PCB layout must account for the 0.4 mm ball pitch typical of this package class — fan-out via micro-vias or a fine-line layer is expected. The 31 available I/O in this package count is enough for a CapSense matrix plus a serial bus and a few general-purpose signals, but the trade-off is that not every peripheral pin is brought out compared to a QFN variant.","metaTitle":"Infineon CY8C4146FNI-S433T PSoC 4 MCU, 48MHz, 64KB Flash","metaDescription":"Infineon CY8C4146FNI-S433T PSoC 4 ARM Cortex-M0+ MCU, 48MHz, 64KB flash, 8KB RAM, CapSense, 12-bit SAR ADC, WLCSP-35. Active production, RoHS3. Request a quote.","metaKeywords":null},"attributes":{"series":"PSOC® 4 CY8C4100S","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Analog & Data Acquisition"],"specifications":{"Speed":"48MHz","Series":"PSOC® 4 CY8C4100S","Package":"Tape & Reel (TR); Cut Tape (CT)","RAM Size":"8K x 8","Core Size":"32-Bit Single-Core","Peripherals":"Brown-out Detect/Reset, CapSense, LCD, POR, PWM, WDT","Connectivity":"I²C, IrDA, LINbus, SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"31","Core Processor":"ARM® Cortex®-M0+","Package / Case":"35-XFBGA, WLCSP","Data Converters":"A/D 16x10b Slope, 16x12b SAR; D/A 2xIDAC","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Program Memory Size":"64KB (64K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"35-WLCSP (2.11x2.6)","Voltage - Supply (Vcc/Vdd)":"1.71V ~ 5.5V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$4.66","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$4.66000","currency":"USD"},{"qty":10,"price":"$4.18300","currency":"USD"},{"qty":25,"price":"$3.95400","currency":"USD"},{"qty":100,"price":"$3.42690","currency":"USD"},{"qty":250,"price":"$3.25120","currency":"USD"},{"qty":500,"price":"$2.91728","currency":"USD"},{"qty":1000,"price":"$2.46036","currency":"USD"},{"qty":2000,"price":"$2.33734","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/1ace7f65017fc7aa7d4f2258d7a89bb2.pdf","sourceUrl":null},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/CY8C4146FNI-S433T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/CY8C4146FNI-S433T when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T19:45:10.375Z","lastPublished":"2026-07-22T19:45:10.375Z","indexable":true}}