Cypress Semiconductor

CY8C24423-24SI - 24MHz PSoC Microcontroller | Cypress

Артикул: CY8C24423-24SI ✗ Снят с производства
В наличии Отправка в течение 1–3 рабочих дней
3.0 V to 5.25 V Vdss 28-pin SOIC Package 24 MHz Speed 4 KB Memory
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Цена обновлена: 2026-10-22
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CY8C24423-24SI Обзор

The Cypress Semiconductor CY8C24423-24SI is an 8-bit PSoC mixed-signal microcontroller operating to 24 MHz, with 4 KB of flash memory and 24 GPIO resources in a 28-pin SOIC package. It is designed for embedded control systems that combine programmable digital logic, analog and digital peripherals, and flexible sensing in one compact device. The verified product information identifies an industrial-temperature option and a 3.0 V to 5.25 V low-power operating range.

A PSoC, or programmable system-on-chip, integrates a microcontroller core with configurable analog and digital blocks around the processor. This mixed-signal architecture can reduce the need for separate external components when a design needs sensing, control, timers, communication interfaces, and programmable logic. The M8C processor provides an 8-bit Harvard-architecture implementation, while the two 8x8 multiply and 32-bit accumulate capability supports efficient arithmetic operations.

The CY8C24423-24SI combines a maximum 24 MHz processor speed, 4 KB flash, and a 28-SOIC footprint in an industrial-temperature device. Its low-power operating voltage extends to 5.25 V, making it suitable for conventional embedded industrial and control systems. The 24 GPIO provide interfaces for sensors, actuators, switches, indicators, and external logic. The verified snippets specifically identify PSoC mixed-signal functionality, but do not provide a complete verified electrical table, pin-by-pin description, memory map, or lifecycle declaration.

Typical applications include industrial control panels, sensor-conditioning systems, motor and actuator controllers, low-speed communication equipment, measurement instruments, and compact embedded products. The device is most appropriate where a small MCU package, mixed-signal integration, and modest flash requirement matter more than a high-bandwidth processor or large application memory. Firmware and peripheral configuration should be validated against the manufacturer documentation before production release.

Because the verified material does not establish a current manufacturer stocking commitment, inventory, unit pricing, or detailed package dimensions, those fields are not assumed here. A purchasing decision should confirm lifecycle status, lead time, programming-tool support, and the exact pinout from the official technical documentation.

Аналоги без доработки для CY8C24423-24SI — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.

Варианты в этой серии

Модели той же серии, совместимые без доработки с CY8C24423-24SI (тот же форм-фактор и посадочное место) — отличается по Flash Memory, Mounting Type, Package, Product Type.

Infineon
Flash Memory: 4 KB (4K x 8)
Mounting Type: Through-hole
Package: 28-pin PDIP
Сравнить с CY8C24423-24SI →

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

CY8C24423-24PVIT

✅ Прямая замена
📦 28-SOIC
Related CY8C24423 variant; verified comparison data identifies the same 24 MHz M8C family, but pin compatibility and electrical equivalence are not independently confirmed

📋 Справочный аналог (нет в каталоге)

CY8C24423-24PVI

✅ Прямая замена
📦 28-SOIC
Related CY8C24423 variant; the verified comparison identifies 24 MHz M8C operation, but exact package pinout and parameter equivalence remain unverified

📋 Справочный аналог (нет в каталоге)

CY8C24423A-24PXI

✅ Прямая замена
Infineon
📦 28-SOIC
8-bit PSoC 1 mixed-signal microcontroller · M8C · 24 MHz · 4 KB (4K x 8) · 256 bytes · 28-pin PDIP · Through-hole · PSoC 1 CY8C24xxx

✓ В наличии

$0.1612 / шт.

Открыть даташит →

CY8C24423-24SI Максимальные параметры и электрические характеристики

Product Type PSoC mixed-signal array
Processor Architecture M8C 8-bit Harvard architecture
Maximum Processor Speed 24 MHz
Flash Memory 4 KB
GPIO Count 24 GPIO
Operating Voltage 3.0 V to 5.25 V
Industrial Temperature Range To +85 °C
Корпус 28-pin SOIC
Package Code SOP
Terminal Count 28 terminals
Тип монтажа Surface mount
Multiplier Architecture Two 8x8 multipliers with 32-bit accumulate
Core Word Size 8-bit
Connectivity I²C listed in cross-reference result; complete interface set not verified
Programmable Mixed-Signal Resources PSoC programmable system-on-chip architecture
USB Temperature Range To +85 °C listed in verified result
Manufacturer Cypress Semiconductor

Руководство по цоколевке CY8C24423-24SI в корпусе sop

Цоколевка для CY8C24423-24SI (корпус sop). 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 sop для CY8C24423-24SI

Нет подробных данных о распиновке для CY8C24423-24SI.

Обратитесь к даташиту для полной конфигурации выводов.

Типичное применение

CY8C24423-24SI подходит для 6 применениеs: Industrial Sensor Conditioning, Compact Actuator Control, Measurement and Calibration Equipment, Human-Machine Interface Controller, Low-Speed Communication Equipment, Battery-Powered Embedded Modules.

🏭

Industrial Sensor Conditioning

The CY8C24423-24SI fits compact industrial sensor-conditioning designs because its PSoC mixed-signal architecture places programmable digital and analog resources around an 8-bit M8C core. At up to 24 MHz with 24 GPIO, it can supervise switches, transducers, threshold inputs, and status indicators while keeping the control firmware within a 4 KB flash budget. The 3.0 V to 5.25 V operating range supports conventional embedded rails, while the listed industrial temperature range extends to +85 °C. Before finalizing the design, verify the exact analog block capabilities, ADC or comparator requirements, pin assignments, and calibration strategy in the manufacturer documentation.

⚡

Compact Actuator Control

The CY8C24423-24SI is appropriate for small actuator and relay-control modules where a compact 8-bit controller must coordinate digital outputs, interlocks, and status feedback. Its 24 GPIO can provide a practical interface to switches, indicators, and control inputs, while the M8C processor handles sequencing at speeds up to 24 MHz. The 4 KB flash requirement favors compact, focused control code rather than a large application framework. Designers should confirm output drive limits, timing behavior, and the verified 28-SOIC pinout because those details are not present in the supplied search snippets.

📺

Measurement and Calibration Equipment

The PSoC mixed-signal architecture makes the CY8C24423-24SI a candidate for compact measurement instruments that combine sensing, control, calibration, and a local display or communications interface. The 24 MHz processor provides useful headroom for sampling control and signal-processing routines, while 24 GPIO support external sensors, switches, and calibration interfaces. The verified 3.0 V to 5.25 V range simplifies integration with conventional embedded power systems, and the listed +85 °C industrial limit supports industrial environments. Confirm the required converter, ADC, comparator, timer, and communications resources before committing to a new design.

🧩

Human-Machine Interface Controller

The CY8C24423-24SI can serve as the controller for a small industrial human-machine interface when the design includes buttons, LEDs, displays, and simple menu logic. Its 24 GPIO resources can be allocated among input keys and output indicators, and the 24 MHz M8C core is sufficient for deterministic state-machine control. The mixed-signal PSoC platform may also reduce the number of separate support devices when local analog functions are required. The available verified information does not confirm LCD, touch, USB, or communications capabilities, so those interfaces should be treated as design dependencies rather than assumed features.

🌐

Low-Speed Communication Equipment

The CY8C24423-24SI is suitable for low-speed embedded communication equipment where a microcontroller must manage a protocol interface, local control logic, and status signaling. Its 8-bit M8C core and 24 MHz speed support straightforward protocol handling, while 24 GPIO provide flexible serial, interrupt, and control connections. The cross-reference results mention I²C for related CY8C24423 variants, but the exact target-device interface set must be confirmed in the official datasheet. Use the device only after checking electrical timing, peripheral availability, pin multiplexing, and firmware-driver compatibility.

📱

Battery-Powered Embedded Modules

The CY8C24423-24SI can be evaluated for compact battery-powered modules where low voltage operation and mixed-signal integration are useful. The verified 3.0 V to 5.25 V operating range supports common regulated supplies, and the PSoC resource model can reduce external components in sensing and control designs. However, the supplied data does not state sleep current, active current, analog leakage, or battery-life figures, so low-power suitability cannot be quantified from this record. Engineers should compare those measured or datasheet parameters, regulator efficiency, and load-switch behavior before selecting it for a battery product.

What is the CY8C24423-24SI?
The CY8C24423-24SI is an 8-bit PSoC mixed-signal microcontroller from Cypress Semiconductor with an M8C processor, operation to 24 MHz, 4 KB of flash, and 24 GPIO. According to the verified product snippets, it combines programmable system-on-chip functionality with a 28-pin SOIC package, making it suitable for compact embedded control and sensing systems.
What are the key specifications of CY8C24423-24SI?
The verified CY8C24423-24SI specifications identify an 8-bit M8C Harvard-architecture core operating up to 24 MHz, 4 KB of flash, 24 GPIO, and a 3.0 V to 5.25 V operating-voltage range. The result also describes two 8x8 multipliers with 32-bit accumulate and an industrial temperature range extending to +85 °C. Exact timing, current, and pin-level details require the manufacturer datasheet.
Where can I download the CY8C24423-24SI datasheet PDF?
The CY8C24423-24SI datasheet can be accessed through the verified Cypress Semiconductor datasheet listing at https://www.alldatasheet.com/datasheet-pdf/pdf/256865/CYPRESS/CY8C24423-24SI.html. The verified result describes a 43-page document and identifies the part as a PSoC programmable system-on-chip. Download and review the PDF before making a design or procurement decision.
What is the operating voltage of CY8C24423-24SI?
The CY8C24423-24SI operates from 3.0 V to 5.25 V according to the verified datasheet snippet. This range makes the device suitable for conventional low-voltage embedded systems, provided that the external clock, I/O, and peripheral configuration remain within the limits specified by the manufacturer documentation. The verified material does not provide a full electrical timing table.
Does CY8C24423-24SI have 4 KB of flash memory?
Yes. The verified product information identifies 4 KB of flash memory for the CY8C24423-24SI. This is a modest embedded code and configuration budget, so firmware size, boot requirements, and application data should be checked during design planning. The verified results do not state SRAM size or the complete memory organization.
What type of package does CY8C24423-24SI use?
The CY8C24423-24SI is listed in a 28-pin SOIC, also identified as SOP, with 28 terminals and surface-mount construction. The verified product snippets specify the 28SOIC package but do not provide a verified pin-by-pin electrical assignment. Use the official package drawing and pin table before laying out or replacing the device.
Is CY8C24423-24SI suitable for industrial applications?
The CY8C24423-24SI is listed as an industrial-temperature device with a range extending to +85 °C. That rating makes it a candidate for industrial control, measurement, and embedded equipment, subject to the complete datasheet requirements. The verified snippets do not state RoHS, REACH, or AEC-Q100 status, so those compliance claims should not be inferred.
What applications are suitable for CY8C24423-24SI?
The CY8C24423-24SI is suitable for compact embedded control, sensor-conditioning, actuator, measurement, and low-speed communication systems where 24 MHz processing and 4 KB of flash are sufficient. Its PSoC architecture can combine configurable digital and analog resources around the MCU core. Firmware and peripheral requirements should be validated before selecting it for a new product.
Is CY8C24423-24SI the same as CY8C24423A-24PXI?
No direct equivalence is established by the verified data. CY8C24423A-24PXI is listed in the Site MPN list, but the available results do not prove that it has the same 28-SOIC pinout, memory map, voltage behavior, or peripheral configuration as CY8C24423-24SI. Do not use it as a drop-in replacement without manufacturer documentation and a complete pin and firmware review.
What can replace CY8C24423-24SI?
The verified cross-reference data does not identify a confirmed same-package drop-in replacement for CY8C24423-24SI. A valid replacement must match the 28-SOIC footprint, pin functions, operating voltage, clock requirements, memory resources, and PSoC firmware or peripheral behavior. CY8C24423A-24PXI is a related Site MPN, but its equivalence is not verified and it cannot be treated as a drop-in part without testing.
What is the price of CY8C24423-24SI?
The verified search results identify availability and pricing resources, but they do not provide a numeric unit price for CY8C24423-24SI. The price tiers in this record therefore remain unquoted rather than guessed. Request a current quotation from an authorized distributor and confirm stock, condition, packaging, and lead time before ordering. Pricing should be recorded as of 2026-10-23.
Where can I buy CY8C24423-24SI online?
The verified Octopart result for CY8C24423-24SI points to a component page intended for comparing bulk pricing and distributor availability. Because the search data does not identify a current in-stock seller or numeric price, treat availability as unconfirmed. Contact an authorized distributor or submit a quote request for the exact MPN, package, and required quantity.
Is CY8C24423-24SI in stock?
Current stock for CY8C24423-24SI is not established by the verified data. The Octopart result confirms that the part is tracked for availability and pricing, but a tracking page does not prove current inventory. Check distributor stock directly and request written confirmation before committing to a production schedule. The verified cross-reference data also references the family as obsolete in one comparison listing.
What is the lead time for CY8C24423-24SI?
The verified data does not provide a lead-time figure for CY8C24423-24SI. Because one comparison result labels the device obsolete and no current stocking statement is supplied, lead time may depend on remaining inventory or redesign timing. Ask the supplier for a date-code-controlled quotation and confirm whether the offered material is original, packaged, and traceable. Record the quotation as of 2026-10-23.
Where can I find the CY8C24423-24SI pinout?
The verified search results identify the package as 28-pin SOIC, but they do not provide a verified pin-by-pin table. The pinout must therefore be taken from the manufacturer datasheet package drawing and pin description before PCB layout or replacement work. Do not infer pin functions from generic SOIC drawings, because PSoC programming and alternate-function assignments can be device-specific.
Does CY8C24423-24SI have USB?
The verified snippets state that the USB temperature range extends to +85 °C, but they do not establish that this MPN includes a USB transceiver or USB interface. Treat USB capability as [DATA_NEEDED: USB interface specification] until confirmed in the official datasheet. Temperature qualification for a USB-related grade must not be confused with USB peripheral availability in this exact device.
How do I design around the CY8C24423-24SI?
Design around the CY8C24423-24SI by first confirming the exact 28-SOIC pinout, power range of 3.0 V to 5.25 V, 24 MHz clock requirement, and 4 KB flash constraint. Then map each external sensor and actuator to the verified GPIO and programmable peripheral resources, provide compliant decoupling and clock circuitry, and reserve programming or configuration access. The verified data does not include a full reference design or pin table.

Справочные инженерные данные для CY8C24423-24SI — сравнение, рекомендации по проектированию и информация о соответствии.

Руководство по выбору

Choose the CY8C24423-24SI when an existing PSoC 1 design needs a related 8-bit M8C controller operating up to 24 MHz, with 4 KB of flash, 24 GPIO, and a 3.0 V to 5.25 V range. It is especially relevant to industrial embedded designs that value mixed-signal integration and the listed +85 °C temperature capability. The related CY8C24423-24PVIT and CY8C24423-24PVI parts may be useful for footprint-family evaluation, but the supplied evidence does not prove exact pin compatibility. CY8C24423A-24PXI is a related Infineon PSoC 1 device, but it should be treated as an engineering evaluation candidate rather than an automatic replacement. Because lifecycle and inventory are not current-confirmed, obtain supplier traceability and manufacturer documentation before committing.

Сравнение с аналогами

Параметр Этот товар CY8C24423-24PVIT CY8C24423-24PVI CY8C24423A-24PXI
Package 28-SOIC 28-SOIC 28-SOIC 28-SOIC
Brand Cypress Semiconductor Cypress Semiconductor Cypress Semiconductor Infineon Technologies
Processor M8C 8-bit M8C 8-bit M8C 8-bit M8C 8-bit
Maximum Speed 24 MHz 24 MHz 24 MHz 24 MHz
Flash Memory 4 KB 4 KB 4 KB 4 KB
GPIO 24 GPIO 24 GPIO 24 GPIO 24 GPIO
Operating Voltage 3.0 V to 5.25 V 3.0 V to 5.25 V 3.0 V to 5.25 V 3.0 V to 5.25 V
Temperature Grade Industrial, to +85 °C Related CY8C24423 family; exact grade not independently verified Related CY8C24423 family; exact grade not independently verified Related PSoC 1 family; exact grade not independently verified

Ключевые отличия

  • Mixed-signal integration (против CY8C24423A-24PXI)
  • Industrial temperature target (против CY8C24423-24PVIT)
  • Established package integration (против CY8C24423-24PVI)

Заметки по проектированию

Design the supply around the verified 3.0 V to 5.25 V operating range, but verify the exact absolute maximum, current, and sequencing limits in the manufacturer datasheet before connecting external circuits. Place local bypass capacitors close to the supply and ground pins according to the verified pinout, and account for the voltage drop and noise of the selected regulator. Because the supplied data does not specify current consumption or power dissipation, do not use generic assumptions for thermal or battery-life calculations.

Use the manufacturer package drawing rather than a generic SOIC outline for the CY8C24423-24SI. Confirm pin 1 orientation, exposed or non-exposed thermal-pad requirements, pad dimensions, and solder mask clearance before fabrication. The verified search results identify a 28-SOIC package but do not provide a verified pin-by-pin assignment, so schematic-to-layout checking is mandatory.

Do not treat a related CY8C24423 or CY8C24423A MPN as a drop-in replacement merely because it has a similar name and listed package. Firmware, peripheral mapping, memory organization, clock behavior, and exact pin functions can differ between suffixes. Validate the complete ordering code, datasheet revision, programming configuration, and board-level pin mapping before substituting any listed alternative.

For sensor or actuator interfaces, keep analog and digital paths physically separated and route switching or high-current signals away from sensitive inputs. The supplied data confirms the mixed-signal PSoC architecture but does not specify analog noise, input impedance, or timing margins, so use the manufacturer recommended application circuit and validate with measurements on the final PCB.

Информация о соответствии

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
Без свинца
Unknown
Без галогенов
Unknown
Конфликтные минералы
Unknown

The verified search results identify an industrial-temperature product and a 28-SOIC package, but do not provide RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-mineral declarations.

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

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Связанные компоненты & термины

Cypress Semiconductor CY8C24423-24SI PSoC PSoC 1 M8C processor 8-bit Harvard architecture 24 MHz 4 KB flash memory 24 GPIO 28-SOIC SOP package mixed-signal array industrial temperature range 3.0 V to 5.25 V two 8x8 multipliers 32-bit accumulate embedded control sensor conditioning actuator control measurement instrumentation Cypress PSoC programmable system-on-chip I²C M8C CPU programmable system-on-chip Infineon Technologies
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