Infineon

CY8C26443-24PI - 24MHz 8-Bit 16KB Flash MCU | Infineon

Артикул: CY8C26443-24PI ✗ Снят с производства
В наличии Отправка в течение 1–3 рабочих дней
28-PDIP Package 24 MHz Speed 16 KB Memory
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MOQ: 1 |
Цена обновлена: 2026-10-22
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CY8C26443-24PI Обзор

The Infineon Technologies CY8C26443-24PI is an 8-bit PSoC 1 mixed-signal microcontroller with a 24 MHz M8C processor, 16 KB of embedded Flash memory, and a 28-pin plastic DIP package. It integrates programmable analog and digital blocks with an onboard controller, allowing compact embedded designs to consolidate peripheral functions that otherwise require separate discrete components.

A programmable system-on-chip is a microcontroller architecture that combines a CPU, memory, programmable digital blocks, analog resources, and configurable peripherals in one semiconductor. PSoC 1 belongs to the microcontroller and embedded-semiconductor hierarchy; its mixed-signal resources allow sensor conditioning, control, communication, and user-interface functions to be implemented in a single device rather than through a fixed-function combination of separate ICs.

Verified distributor information identifies the device as an M8C PSoC 1 CY8C26xxx part with an 8-bit architecture, 24 MHz operating frequency, 16 KB organized as 16K x 8 Flash memory, and a 28-PDIP package. The family integrates a programmable mixed-signal array with an onboard controller. These verified values make the part suitable for embedded controls where local logic, analog measurement, and compact through-hole assembly are required.

The 28-pin plastic DIP package supports conventional PCB mounting and prototyping, while the 24 MHz M8C processor provides the timing headroom expected from this legacy embedded family. The supplied sources emphasize the device identity and basic architecture but do not provide verified peripheral counts, voltage limits, ADC resolution, timer counts, or operating-temperature limits, so those values remain unspecified rather than being inferred.

Typical design uses include industrial control modules, sensor-interface controllers, small motor-control systems, building-control equipment, and mixed-signal instruments. The programmable architecture is valuable when product variations can be addressed through configuration instead of a large discrete BOM. Developers must nevertheless verify the exact PSoC configuration, firmware image, resource assignments, and board behavior before production.

For new hardware, begin with the manufacturer datasheet and confirm all 28 pin assignments, supply requirements, programming connections, and mixed-signal resource availability. PSoC Designer and the associated device support flow may be relevant for configuring and programming this family, but tool-version availability should be confirmed before committing a design.

This page combines the verified distributor identity, package and memory data with practical sourcing and design guidance. It deliberately distinguishes verified facts from parameters that were not supplied, helping engineers evaluate the CY8C26443-24PI without confusing a family-level capability with a guaranteed orderable-device specification.

Аналоги без доработки для CY8C26443-24PI — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.

Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:

Для этого товара нет аналогов без доработки.

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CY8C26443-24PI Максимальные параметры и электрические характеристики

Product Type 8-bit programmable system-on-chip mixed-signal microcontroller
Manufacturer Infineon Technologies
Device Series PSoC 1 CY8C26xxx
CPU Architecture 8-bit
Processor Core M8C
Максимальная тактовая частота 24 MHz
Flash Memory 16 KB
Flash Organization 16K x 8 bits
Programmable Architecture Mixed-signal array with onboard controller
Корпус 28-PDIP
Package Type Plastic dual in-line package
Число выводов 28 pins
Способ монтажа Through-hole

Руководство по цоколевке CY8C26443-24PI в корпусе plastic dual in-line package

Цоколевка для CY8C26443-24PI (корпус plastic dual in-line package). Эта цифровая ИС включает выводы GPIO, интерфейсы связи (UART, SPI, I2C) и выводы питания. Обратитесь к техническому описанию производителя для альтернативных функций выводов и вариантов конфигурации. Необходимо для проектирования встраиваемых систем и трассировки печатных плат.

Схема цоколевки корпуса plastic dual in-line package для CY8C26443-24PI

Нет подробных данных о распиновке для CY8C26443-24PI.

Обратитесь к даташиту для полной конфигурации выводов.

Типичное применение

CY8C26443-24PI подходит для 6 применениеs: Industrial Embedded Control, Sensor Interface Controller, Small Motor and Relay Control, Building and HVAC Control, Mixed-Signal Instrumentation, Legacy Equipment Maintenance.

🏭

Industrial Embedded Control

The CY8C26443-24PI fits legacy industrial control modules that benefit from an 8-bit M8C processor at 24 MHz and 16 KB of Flash while retaining a through-hole 28-PDIP footprint. Its PSoC mixed-signal architecture can consolidate configurable control logic with analog-related functions, reducing board area compared with a fixed-function MCU plus separate peripheral ICs. The verified data does not specify supply voltage, I/O limits, timers, or operating temperature, so an engineer must confirm those parameters in the manufacturer datasheet before assigning the device to a new industrial product. Existing PSoC firmware expertise and the 28-pin package may make this especially practical for maintenance platforms, test fixtures, and equipment controllers that already use the CY8C26xxx family.

🧩

Sensor Interface Controller

The programmable mixed-signal array makes the CY8C26443-24PI a candidate for sensor conditioning and acquisition front ends where analog and digital functions must coexist in a compact controller. Its verified 24 MHz M8C core provides the clocking basis for configurable digital blocks, while 16 KB of Flash stores application firmware. The supplied sources do not specify ADC resolution, input count, comparator resources, analog voltage limits, or sampling rate; these are critical missing items for an actual sensor design. Engineers should map the sensor output range to the verified electrical limits in the full datasheet, prototype noise and filtering behavior, and use the PSoC configuration flow to avoid assigning resources that are unavailable on the exact orderable device.

🔧

Small Motor and Relay Control

The 24 MHz 8-bit M8C processor can support timing-based control tasks in compact relay, solenoid, or small motor-control boards, while the PSoC architecture allows some digital functions to be implemented in configurable logic. The 28-PDIP package is useful for prototypes, educational platforms, and maintenance hardware where through-hole soldering and socketed replacement are preferred. The verified results provide no motor-driver outputs, PWM channels, current ratings, or thermal data, so this MCU must not be treated as a direct power-stage driver. Use suitable transistors, drivers, protection components, and an independent thermal review. Firmware should include conservative startup states and disabled outputs until supply voltage and sensor conditions are valid.

🏠

Building and HVAC Control

The CY8C26443-24PI can serve as the controller in a small building-control module that coordinates discrete inputs, timing logic, and low-power outputs. Its PSoC mixed-signal resources may reduce component count when the design must support several sensor and switching functions. The verified 16 KB Flash and 24 MHz clock are concrete constraints, but no power-consumption, supply, temperature, or communication peripheral specifications were supplied. Before using it for HVAC equipment, verify isolation strategy, relay-driver margins, fail-safe states, environmental ratings, and any regulatory requirements applicable to the finished product. A prototype should exercise startup, sensor faults, communication loss, and power cycling under worst-case load conditions.

📟

Mixed-Signal Instrumentation

A programmable mixed-signal PSoC is useful in instrumentation that must coordinate measurement, control logic, and data handling in one embedded platform. CY8C26443-24PI provides the verified 8-bit M8C core at 24 MHz and 16 KB of Flash, making it appropriate for compact laboratory or industrial instruments with bounded firmware requirements. However, the supplied snippets do not specify converter accuracy, analog bandwidth, reference accuracy, noise, calibration, or memory-map details. Engineers should compare those missing parameters against the measurement specification, account for calibration and drift, and isolate analog and digital return paths appropriately. Do not infer precision instrumentation performance from the PSoC name alone.

🛠

Legacy Equipment Maintenance

CY8C26443-24PI is particularly relevant to maintenance designs that must reproduce an existing 28-PDIP controller rather than redesign the board around a different package. The verified device identity, 8-bit M8C architecture, 24 MHz clock, and 16 KB Flash allow engineers to confirm basic identity before ordering replacements. A successful substitution still requires exact pinout, electrical-limit, clock, memory, peripheral-resource, programming, and firmware verification. If the original design uses a discontinued software toolchain, obtain a controlled copy of the project and validate reprogramming before installation. This application prioritizes compatibility and traceability over feature expansion.

What is the CY8C26443-24PI?
The CY8C26443-24PI is an Infineon Technologies 8-bit PSoC 1 mixed-signal microcontroller operating at 24 MHz with 16 KB of Flash memory in a 28-PDIP package. According to the verified DigiKey listing, it belongs to the M8C CY8C26xxx family and combines a programmable mixed-signal array with an onboard controller. Its architecture is intended for embedded designs that need CPU-based control plus configurable analog and digital resources.
What are the key specifications of CY8C26443-24PI that engineers should know?
The verified core specifications are an 8-bit architecture, M8C processor, 24 MHz operating frequency, 16 KB Flash organized as 16K x 8, and a 28-PDIP package. The verified DigiKey result also identifies the part as a PSoC 1 CY8C26xxx mixed-signal microcontroller. Supply voltage, memory type beyond the verified Flash figure, timer resources, and analog conversion details were not supplied and must be checked in the manufacturer datasheet.
Where to download the CY8C26443-24PI datasheet PDF?
The CY8C26443-24PI datasheet can be located through the verified DatasheetBank, AllDataSheet, DigiChip, and Octopart datasheet links associated with this exact MPN. One search result points to a 148-page document and another to a 151-page document, indicating that different revisions or compiled documents may be indexed. Confirm the revision and device coverage in the document header before using it for design approval.
Where can I find the CY8C26443-24PI pinout?
The CY8C26443-24PI pinout must be taken from the manufacturer datasheet for the 28-PDIP package. The verified search results identify a 28-pin device but do not expose the individual pin names or numbering, so a complete pin assignment cannot be reproduced without risking an inaccurate diagram. Check the package drawing and pin-definition table before laying out a PCB or programming adapter.
Where to buy CY8C26443-24PI online?
The verified DigiKey product page is the primary online sourcing result for the CY8C26443-24PI, while Octopart provides a cross-distributor search for pricing and availability. The snippets do not provide usable unit prices or a guaranteed XAIPART stock quantity, so quote and lead-time confirmation is still required. This page does not infer a price or inventory state that was absent from the supplied results.
What is the price of CY8C26443-24PI?
A verified numeric price for CY8C26443-24PI was not included in the supplied distributor results, so the current unit price is unavailable. The verified DigiKey and Octopart pages are appropriate starting points for a quotation. Pricing should be checked as of 2026-10-23 and can vary with quantity, factory packaging, distributor inventory, and whether the order requires an authorized supply channel.
What is the lead time for CY8C26443-24PI?
The supplied DigiKey snippet says the part can be purchased and ships today, but it does not provide a contractual lead-time figure or a quantity-specific availability statement. Treat that wording as a search-result indication rather than a guaranteed inventory promise. For production planning, obtain a written quotation and confirm the current lifecycle, packaged quantity, and allocation directly from the authorized distributor as of 2026-10-23.
Is CY8C26443-24PI in stock?
The verified DigiKey listing includes the phrase “Buy now, ships today,” which indicates that the distributor page presented an orderable status when captured. However, no quantity, warehouse count, or current XAIPART stock level was supplied. Stock is therefore not guaranteed for a particular design quantity. Confirm availability and allocation with the seller before releasing a production purchase order.
What can replace the CY8C26443-24PI?
No verified, pin-compatible drop-in replacement for the CY8C26443-24PI appears in the supplied cross-reference results. One Infineon community result mentions CY8C27443-24SXI, but it is an SOIC package and requires an adapter, so it is not a true same-footprint replacement. A valid substitute must match the 28-pin package, electrical limits, clocking, memory needs, programming method, and PSoC firmware resources.
Is CY8C27443-24SXI the same as CY8C26443-24PI?
No. The supplied Infineon community result describes CY8C27443-24SXI as a replacement attempt requiring an adapter from DIP to SOIC, which demonstrates that it does not share the target's physical footprint. It may have related PSoC functionality, but software behavior and peripheral resources are not proven equivalent. Use it only for a deliberate redesign or adapter-based prototype, not as a transparent drop-in substitution.
What is the best drop-in replacement for CY8C26443-24PI?
No best drop-in replacement can be verified from the supplied data because no candidate was shown to be both pin-to-pin compatible with the 28-PDIP target and parametrically equivalent. The CY8C27443-24SXI mentioned in an Infineon community discussion uses an SOIC package and therefore fails the same-footprint requirement. Engineers should avoid treating package adapters or functional relatives as drop-in parts without complete electrical and firmware validation.
Can CY8C27443-24SXI replace CY8C26443-24PI?
The CY8C27443-24SXI is not a direct physical replacement for the CY8C26443-24PI because the supplied evidence refers to a DIP-to-SOIC adapter. That package change prevents installation on the original 28-PDIP footprint and introduces board-layout, signal-integrity, and assembly differences. The community discussion also indicates that software operation required investigation, so firmware compatibility must be independently verified.
When should I choose CY8C26443-24PI over a smaller microcontroller?
Choose the CY8C26443-24PI when an existing design specifically depends on its 24 MHz 8-bit M8C execution capability, 16 KB Flash configuration, PSoC mixed-signal resources, and 28-PDIP footprint. Its value is strongest in legacy or maintenance products where preserving the board and established firmware environment is more important than adopting a newer MCU architecture. A different device should be selected only after resource, voltage, timing, and toolchain requirements are mapped.
Is CY8C26443-24PI suitable for a new embedded control design?
The CY8C26443-24PI can be suitable for an embedded control design when its verified 24 MHz clock, 16 KB Flash, 8-bit M8C architecture, mixed-signal programmability, and through-hole package meet the system requirements. Its legacy-family status and unspecified supply, temperature, and toolchain details require careful review. Prototype the complete configuration and verify software-tool support before committing to a new production design.
How do CY8C26443-24PI and CY8C27443-24SXI differ?
The verified difference is the physical package: CY8C26443-24PI is supplied in 28-PDIP, whereas the community replacement discussion uses CY8C27443-24SXI in SOIC and requires an adapter. The supplied material does not establish identical memory, analog resources, clocking, or firmware behavior. Consequently, the latter cannot be treated as a drop-in equivalent and should be evaluated as a board redesign candidate.

Справочные инженерные данные для CY8C26443-24PI — сравнение, рекомендации по проектированию и информация о соответствии.

Руководство по выбору

Choose CY8C26443-24PI when maintaining or recreating a design that specifically depends on its verified 28-PDIP footprint, 8-bit M8C architecture, 24 MHz operation, 16 KB Flash, and PSoC mixed-signal programming model. It is also reasonable for a prototype whose resource requirements can be confirmed in the manufacturer datasheet and whose software toolchain is available. Do not choose it merely because another PSoC sounds similar: the CY8C27443-24SXI discussed online uses SOIC and an adapter, so it is not drop-in compatible. A newer MCU may be preferable for a new design when supply, tooling, temperature, communications, and long-term availability requirements are more important than preserving a legacy board. For any replacement, verify the package, pinout, electrical limits, memory map, clocking, peripheral resources, programming workflow, and firmware behavior as one qualification package.

Ключевые отличия

  • Legacy-compatible 28-PDIP PSoC identity (против CY8C27443-24SXI)
  • Verified 24 MHz processing capability (против CY8C27443-24SXI)
  • Verified 16 KB Flash configuration (против CY8C27443-24SXI)

Заметки по проектированию

Do not substitute a functionally related PSoC without checking the exact 28-PDIP footprint. The supplied community reference mentions CY8C27443-24SXI, but it uses an SOIC package and an adapter, so it is not a transparent drop-in replacement. Validate pin mapping, supply limits, clock configuration, memory, programming connections, and firmware resource compatibility before prototyping a board revision.

Design the PCB around the verified 28-PDIP footprint, but obtain the official package drawing and complete pin table before routing. Keep programming and debug access accessible, provide adequate decoupling according to the manufacturer guidance, and isolate analog and digital return paths where the PSoC mixed-signal array is used. Do not infer electrical pin functions from the distributor snippet.

PSoC Designer configuration determines which digital blocks and analog resources are active, so a firmware and routing review belongs in the hardware design process. Confirm the selected clock path and peripheral assignments in the final project, keep sensitive measurement traces away from fast switching nodes, and test startup and reconfiguration behavior across the complete intended supply range.

Информация о соответствии

RoHS
Unknown
REACH
Unknown
AEC-Q100
Unknown
Без свинца
Unknown
Без галогенов
Unknown
Конфликтные минералы
Unknown

The supplied Verified Web Data does not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. These fields remain unknown rather than inferred.

Данные проверены: 2026-10-23 — данные проверены и курируются командой компонентной инженерии XAIPART

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Связанные компоненты & термины

Infineon Technologies CY8C26443-24PI PSoC 1 CY8C26xxx M8C 8-bit microcontroller programmable system-on-chip mixed-signal array onboard controller Flash memory 28-PDIP plastic dual in-line package embedded control sensor interface industrial automation motor control building control mixed-signal instrumentation legacy equipment maintenance PSoC Designer embedded semiconductor AD7768-1BCPZ PCA9557D SN75176BD
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