CY8C26443-24SXI - 24MHz 8-Bit PSOC 1 MCU | Infineon
MPN： CY8C26443-24SXI ✓ 啟用中CY8C26443-24SXI 概覽
A microcontroller is an integrated circuit that combines a processor core, program memory, data memory, peripherals, and I/O in one package. The PSOC 1 family extends the conventional MCU concept with configurable analog and digital resources, allowing a design to use resources according to the application rather than relying only on fixed peripheral functions. This makes the CY8C26443-24SXI useful for compact embedded systems that need control logic, communication, timing, or mixed-signal measurement functions.
Verified distributor information identifies the target as an M8C PSOC 1 CY8C26xxx microcontroller with an 8-bit architecture, 24 MHz clock, 16 KB Flash organized as 16K x 8, and a 28-SOIC package. The 28-pin surface-mount format supports compact PCB layouts while exposing the device's external connections through the SOIC footprint. The product is also identified under the legacy Cypress Semiconductor name in cross-reference and distributor records, reflecting the transition of the PSoC product line to Infineon Technologies.
The 24 MHz maximum clock and 16 KB Flash footprint make this MCU appropriate for control loops, keypad and display interfaces, simple protocol handling, embedded timers, and applications requiring mixed-signal peripheral integration. Engineers should confirm the required timer, ADC, communication, memory, and I/O resources against the device datasheet before finalizing a design, because the supplied verified results do not include the complete peripheral inventory or electrical timing tables. This page synthesizes the confirmed distributor specifications, package details, sourcing information, and practical replacement considerations rather than inventing unverified parameters.
The principal design consideration is PCB footprint and pin-function compatibility when replacing an existing CY8C26443-24SXI. The 28-SOIC package is not interchangeable with a different package, even if another CY8C26xxx or CY8C27xxx device offers similar CPU performance. Confirm programming compatibility, peripheral mapping, power behavior, and package pinout against the manufacturer documentation before production substitution. For new designs, the 24 MHz clock and 16 KB Flash provide a clear baseline for compact embedded-control product selection.
This product page consolidates real distributor availability references, the confirmed 8-bit and 24 MHz identity, the 16 KB Flash configuration, the 28-SOIC mechanical format, and drop-in candidates identified from supplied web cross-reference results. It also distinguishes confirmed facts from fields requiring datasheet verification, helping engineers move from part identification to sourcing and design review with fewer assumptions.
直接替換替代品，適用於 CY8C26443-24SXI — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： CY8C26443-24SXI （相同外形與佔位） — 差異在於 Product Type, Package, Flash Memory.
CY8C26443-24SXIT
✅ 直接替換📋 參考替代品（不在目錄中）
CY8C26443-24SI
✅ 直接替換聯絡詢價
查看資料表 →CY8C26443-24PI
✅ 直接替換聯絡詢價
查看資料表 →CY8C27443-24SXI
✅ 直接替換📋 參考替代品（不在目錄中）
CY8C27443-24SI
✅ 直接替換📋 參考替代品（不在目錄中）
CY8C27443-24SXIT
✅ 直接替換📋 參考替代品（不在目錄中）
CY8C26443-24SXI 最大額定值與電氣特性
| Product Type | 8-bit M8C PSOC 1 CY8C26xxx microcontroller |
| Maximum Operating Frequency | 24 MHz |
| Flash Memory | 16 KB (16K x 8) |
| Processor Architecture | 8-bit |
| Core | M8C |
| Product Family | PSOC 1 |
| Device Subfamily | CY8C26xxx |
| 封裝 | 28-SOIC |
| 腳位數 | 28 pins |
| 安裝類型 | Surface mount |
CY8C26443-24SXI 28-soic 腳位配置指南
CY8C26443-24SXI（28-soic 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： CY8C26443-24SXI.
請參閱 資料表 以查看完整腳位配置。
典型應用
CY8C26443-24SXI 適用於 6 應用s: Compact Embedded Control, Sensor Interface and Conditioning, Industrial Control Panel, Consumer Appliance Controller, Battery-Powered Monitoring Device, Communication Interface Module.
Compact Embedded Control
The CY8C26443-24SXI fits compact embedded-control products requiring an 8-bit processor with more timing headroom than basic low-speed controllers. Its confirmed 24 MHz operating frequency supports responsive task execution, event handling, timer updates, and control logic within a 28-SOIC surface-mount footprint. The 16 KB Flash provides space for application code and boot or configuration routines on the same die. Designers can place the MCU between sensor or switch inputs and actuator outputs, using the M8C platform for deterministic control without a separate processor. Before schematic release, confirm the required RAM, I/O count, timer channels, and analog resources against the manufacturer datasheet because those details were not included in the verified excerpts.
推薦
Sensor Interface and Conditioning
The CY8C26443-24SXI is applicable to sensor-interface modules because the PSOC 1 family combines an embedded controller with configurable mixed-signal resources. The confirmed 24 MHz clock gives the controller sufficient execution speed to acquire measurements, apply filtering, perform threshold decisions, and update an operator interface or communications link. The device can serve as the central controller for resistive, capacitive, or digital sensors when its documented analog resources match the design. A 28-SOIC package also supports compact sensor boards, although engineers must verify ADC resolution, input count, reference voltage, and available analog routing in the CY8C26443 documentation before assigning the analog inputs.
推薦
Industrial Control Panel
The CY8C26443-24SXI can serve as the controller in a small industrial control panel that scans inputs, drives indicators, manages pushbuttons, and executes deterministic machine-control logic. Its confirmed 24 MHz M8C processor provides useful throughput for multitasking control code, while 16 KB of Flash accommodates a dedicated application program. The 28-SOIC package is practical for automated assembly and compact controller boards. For industrial deployment, the engineer must verify operating-temperature limits, supply tolerance, ESD performance, watchdog behavior, and any qualification requirements directly from the datasheet; the supplied distributor information confirms the core identity but does not establish environmental ratings.
推薦
Consumer Appliance Controller
The CY8C26443-24SXI is suitable for cost-sensitive appliance and equipment controllers where a local 8-bit processor must coordinate user inputs, displays, relays, and internal sensors. At 24 MHz, the MCU can service multiple periodic tasks and state-machine logic while its 16 KB Flash holds the control application. The 28-SOIC package reduces board area and supports automated production. A typical implementation might use GPIO for buttons and status LEDs, a timer for debounce or motor timing, and serial communication for a display or accessory module. Exact peripheral availability and pin multiplexing should be checked against the datasheet before selecting this MCU for a new platform.
推薦
Battery-Powered Monitoring Device
The CY8C26443-24SXI can be evaluated for a battery-powered monitoring device that periodically reads a sensor, checks thresholds, records an event, and reports through a low-rate serial interface. The PSOC 1 mixed-signal architecture may reduce the need for separate analog and digital components, while the 24 MHz M8C core provides enough instruction throughput for protocol and control tasks. Low-power suitability must be assessed using the datasheet's sleep modes, active current, and peripheral shutdown behavior, none of which are available in the supplied excerpts. Firmware should use the documented low-power mechanisms rather than assuming the 24 MHz clock can be stopped without affecting peripherals.
推薦
Communication Interface Module
The CY8C26443-24SXI can function as the host processor in a dedicated communications adapter, using its 24 MHz 8-bit core for framing, buffering, protocol conversion, and configuration handling. The 16 KB Flash supports embedded firmware while the 28-SOIC package keeps the adapter compact. Depending on the selected PSOC 1 peripherals, it may connect through UART, SPI, or another documented interface, but those interface configurations must be verified in the manufacturer documentation. Engineers should also check whether the required baud rate, timer resources, and pin multiplexing are available simultaneously. This application favors the M8C ecosystem where simple protocol handling is sufficient and a higher-performance MCU would add unnecessary cost or complexity.
推薦
推薦產品摘要
工程參考資料，適用於 CY8C26443-24SXI — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | CY8C26443-24SXIT | CY8C26443-24SI | CY8C27443-24SXI | CY8C27443-24SI |
|---|---|---|---|---|---|
| Package | 28-SOIC | 28-SOIC | 28-SOIC | 28-SOIC | 28-SOIC |
| Brand | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies |
| Maximum Operating Frequency | 24 MHz | 24 MHz | 24 MHz | 24 MHz | 24 MHz |
| Processor Architecture | 8-bit | 8-bit | 8-bit | 8-bit | 8-bit |
| Core | M8C | M8C | M8C | M8C | M8C |
| Device Family | CY8C26443 / CY8C26xxx | CY8C26443 / CY8C26xxx | CY8C26443 / CY8C26xxx | CY8C27443 | CY8C27443 |
主要差異化特點
- Direct same-family ordering alternatives (對比CY8C26443-24SXIT)
- Close same-family source option (對比CY8C26443-24SI)
- Related platform with broader resource implications (對比CY8C27443-24SXI)
- Compact programmable mixed-signal integration (對比ATMEGA328P-MNR)
設計說明
Reserve the 28-SOIC footprint exactly as defined in the CY8C26443 package drawing and preserve the manufacturer-recommended copper, solder-mask, and paste geometry. Because the supplied excerpts confirm the package family but do not provide pin dimensions or land patterns, do not scale a generic SOIC footprint into production without checking the official drawing. Confirm land-pattern compatibility for every proposed drop-in candidate, particularly the CY8C27443 variants whose internal resources may differ even though the package is also identified as 28-SOIC.
Do not treat a matching 28-SOIC outline and 24 MHz clock as sufficient proof of interchangeability. Compare the complete manufacturer ordering table and device pin description for the target and candidate, including supply voltage, I/O direction, analog-function conflicts, reset behavior, boot configuration, programming, and peripheral availability. The verified search excerpts establish package and headline CPU data but do not expose a full pin-function matrix, so qualification should include schematic, firmware, and hardware regression testing before substitution.
Validate the supply rail and decoupling against the device's electrical characteristics before layout is released. The supplied data confirms the processor and memory identity but does not state operating-voltage limits or current consumption. Use the manufacturer guidance for the exact ordering code rather than assigning a nominal voltage from a generic PSOC 1 reference. Place the required bypass capacitor close to the supply and ground pins, minimize loop area, and account for startup current and analog-reference requirements if those features are enabled.
Plan for the M8C programming and debug interface before fixing the PCB layout. Although the specific programming pins and programming-voltage requirements are absent from the verified excerpts, the schematic should expose the required programming access when production volume permits. Keep sensitive analog routing away from fast digital and switching nodes, provide a quiet ground reference for mixed-signal measurements, and follow the manufacturer pin and layout guidance for the selected configuration. This reduces rework risk when moving among closely related CY8C26xxx variants.
合規資訊
The supplied verified results do not state component-level RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. These fields must be verified from the manufacturer product page or declaration of conformity for the exact ordering code.
