{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CY8C24423A-24LTXI","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"CY8C24423A-24LTXI","canonicalUrl":"https://icboms.com/infineon/CY8C24423A-24LTXI","factsUrl":"https://icboms.com/api/mcp/products/CY8C24423A-24LTXI","rawCanonicalId":null},"summary":{"shortDescription":"Infineon PSoC 1 CY8C24xxx 8-bit M8C MCU, CY8C24423A-24LTXI, 24 MHz, 4KB Flash, 256 x 8 RAM, 24 I/O, I²C/SPI/UART, 10x14b ADC + 2x9b DAC, 2.4V to 5.25V, -40°C to 85°C, 32-UFQFN Exposed Pad.","salesMarkdown":"## PSoC 1: configurable analog and digital on an 8-bit M8C core The Infineon CY8C24423A-24LTXI is an 8-bit PSoC 1 microcontroller from the CY8C24xxx family, built around the proprietary M8C core running at 24 MHz. What sets this part apart from a plain 8051 or PIC is the integrated configurable analog and digital blocks: it carries a 10-channel 14-bit ADC and two 9-bit DACs on-chip, plus programmable digital blocks that can implement timers, PWMs, UARTs, SPI, or I²C without external glue logic. This makes it a single-chip solution for sensor conditioning, human-interface, and mixed-signal control applications where a separate op-amp and ADC would otherwise consume board area and BOM cost. ## 4 KB Flash and 256 bytes RAM — budget accordingly Program memory is 4 KB Flash, and data RAM is 256 x 8 bytes. That is a tight firmware envelope: the PSoC Designer configuration code for the analog and digital blocks shares the same Flash, so a complex CapSense or ADC scan routine leaves little room for a RTOS or large lookup tables. This part is sized for a single-purpose control loop — think a temperature transmitter, a capacitive touch button panel, or a small motor controller — not a feature-rich application with a GUI stack. ## Industrial temperature range and wide supply The supply voltage spans 2.4V to 5.25V, so it can run directly from a 3.6V Li-ion cell, a regulated 3.3V rail, or a 5V industrial bus without an extra LDO. For a BOM line that was qualified years ago, this is the best news: no end-of-life scramble, no requalification cycle. ## Pin-compatible family and second-source reality Within the CY8C24xxx family, the CY8C24423A sits at the mid-density tier. The CY8C29466-24PVXI is a pin-compatible upgrade path within the same PSoC 1 architecture — it doubles the program memory and adds more analog channels (12x14b ADC, 4x9b DAC) while keeping the same 24 MHz M8C core and peripheral set. If your firmware fits in 4 KB and you need the smaller 32-QFN footprint, the CY8C24423A is the correct fit; the CY8C29466 is worth evaluating for a next-revision BOM if code size or analog channel count becomes a constraint.","metaTitle":"CY8C24423A-24LTXI PSoC 8-bit MCU, 24 MHz, 4KB Flash, 32-QFN","metaDescription":"Infineon CY8C24423A-24LTXI PSoC 8-bit M8C MCU at 24 MHz with 4KB Flash, 256x8 RAM, 10x14b ADC, 2x9b DAC, 24 I/O, -40°C to 85°C. Active lifecycle, ROHS3.","metaKeywords":null},"attributes":{"series":"PSOC®1 CY8C24xxx","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Logic ICs"],"specifications":{"Speed":"24MHz","Series":"PSOC®1 CY8C24xxx","Package":"Tray","RAM Size":"256 x 8","Core Size":"8-Bit","Peripherals":"POR, PWM, WDT","Connectivity":"I²C, SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"24","Core Processor":"M8C","Package / Case":"32-UFQFN Exposed Pad","Data Converters":"A/D 10x14b; D/A 2x9b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Program Memory Size":"4KB (4K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"32-QFN (5x5)","Voltage - Supply (Vcc/Vdd)":"2.4V ~ 5.25V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$6.64","stockQuantity":0,"priceTiers":[{"qty":148,"price":"$3.38000","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/9f229a37caec696a2a04e2e46a7e2f52.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What are the alternatives to CY8C24423A-24LTXI?","answer":"The CY8C29466-24PVXI is a pin-compatible upgrade within the PSoC 1 family, offering more Flash and more analog channels. For a 32-bit ARM Cortex-M0 alternative with higher performance, the CY8C4245LQI-483 runs at 48 MHz and includes CapSense hardware."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/CY8C24423A-24LTXI","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/CY8C24423A-24LTXI 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}}