Infineon

CY8C3645AXE-169 - 48MHz 32KB Flash MCU | Infineon

Артикул: CY8C3645AXE-169 ✓ Активен
0.5 V to 5.5 V Vdss 100-pin TQFP Package 48 MHz Speed 32 KB Memory
MOQ: 1 |

CY8C3645AXE-169 Обзор

Infineon Technologies CY8C3645AXE-169 is an 8-bit PSoC 3 CY8C36xx programmable system-on-chip microcontroller with an 8051 core, a 48 MHz operating frequency, and 32 KB of flash memory. The device is supplied in a 100-pin TQFP package measuring 14 mm by 14 mm. Its operating-voltage range is 0.5 V to 5.5 V, making it suitable for embedded control systems that combine programmable digital logic, analog functions, and microcontroller processing in one integrated device.

A PSoC 3, or programmable system-on-chip, is a mixed-signal microcontroller architecture that integrates a CPU, programmable analog and digital peripheral blocks, and signal-processing resources. This system-on-chip approach can reduce the number of separate components needed when a design requires sensor measurement, control logic, data processing, and digital communication. Within the component hierarchy, the CY8C3645AXE-169 belongs to the CY8C36 family of 8-bit microcontrollers and combines MCU functionality with configurable analog and digital peripherals.

The principal verified specifications are a 48 MHz clock, 32 KB flash memory organized as 32K by 8 bits, an 8051 instruction-set core, and a 0.5 V to 5.5 V supply range. These parameters position the device for compact embedded-control applications requiring moderate processing speed and integrated programmable resources. The 100-pin TQFP package provides a substantial pin count for external sensing, communication, control, and mixed-signal connections compared with smaller microcontroller packages.

The CY8C36 family architecture supports signal acquisition, signal processing, and control through configurable blocks. This enables designers to implement functions such as analog sensing, digital logic, and communications control around a common programmable platform. The 32 KB embedded flash provides on-chip program storage, while the 48 MHz operating frequency supports faster execution than basic low-speed 8-bit control devices. Exact RAM, peripheral count, GPIO count, and converter performance require confirmation from the manufacturer datasheet.

Typical uses include industrial sensing and control modules, building automation interfaces, consumer product controllers, communication equipment, and embedded systems requiring programmable analog and digital blocks. The device may also be evaluated in educational and prototype platforms because its broad peripheral integration can simplify board partitioning. Firmware compatibility and peripheral availability must be checked for each exact family member before production use.

A key design consideration is package complexity. The 100-pin TQFP footprint requires careful escape routing and adequate PCB land-pattern accuracy. Designers should also verify the selected voltage range, clock configuration, pin multiplexing, and power-supply requirements against the manufacturer datasheet rather than assuming that every CY8C36 member has identical resources. The verified distributor data identifies the CY8C3645AXE-169 as a 100-TQFP, 14 mm by 14 mm device.

Аналоги без доработки для CY8C3645AXE-169 — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.

CY8C3644AXE-169

✅ Прямая замена ⚠️ Характеристики не проверены
📦 100-TQFP (14x14)
Adjacent CY8C36 family member in the same 100-TQFP footprint; exact memory and peripheral differences require datasheet verification

📋 Справочный аналог (нет в каталоге)

CY8C3646AXE-169

✅ Прямая замена ⚠️ Характеристики не проверены
📦 100-TQFP (14x14)
Adjacent CY8C36 family member in the same 100-TQFP footprint; exact memory and peripheral differences require datasheet verification

📋 Справочный аналог (нет в каталоге)

CY8C3647AXE-169

✅ Прямая замена ⚠️ Характеристики не проверены
📦 100-TQFP (14x14)
Same-family 100-TQFP candidate with potentially different peripheral resources or memory density

📋 Справочный аналог (нет в каталоге)

CY8C3660AXE-169

✅ Прямая замена ⚠️ Характеристики не проверены
📦 100-TQFP (14x14)
Same-brand CY8C36 family candidate in the 100-TQFP footprint; resource differences require direct comparison

📋 Справочный аналог (нет в каталоге)

CY8C3663AXE-169

✅ Прямая замена ⚠️ Характеристики не проверены
📦 100-TQFP (14x14)
Same-brand CY8C36 family candidate in the 100-TQFP footprint; memory and peripheral compatibility require datasheet review

📋 Справочный аналог (нет в каталоге)

CY8C3645AXE-169 Максимальные параметры и электрические характеристики

Product Type 8-bit PSoC 3 programmable system-on-chip microcontroller
Microcontroller Family CY8C36xx
CPU Core 8051
Processor Width 8 bit
Maximum Operating Frequency 48 MHz
Flash Memory 32 KB
Flash Organization 32K x 8 bits
Operating Voltage Range 0.5 V to 5.5 V
Корпус 100-pin TQFP
Package Dimensions 14 mm x 14 mm
Тип монтажа Surface mount

Руководство по цоколевке CY8C3645AXE-169 в корпусе 14 mm x 14 mm

Цоколевка для CY8C3645AXE-169 (корпус 14 mm x 14 mm). 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 14 mm x 14 mm для CY8C3645AXE-169

Нет подробных данных о распиновке для CY8C3645AXE-169.

Обратитесь к даташиту для полной конфигурации выводов.

Типичное применение

CY8C3645AXE-169 подходит для 6 применениеs: Industrial Sensor and Control Module, Building Automation and Environmental Control, Communication Equipment Interface, Consumer Product Control, Data Acquisition and Signal Processing, Educational and Prototype Platform.

🏭

Industrial Sensor and Control Module

The CY8C3645AXE-169 fits industrial sensor and control modules that benefit from programmable analog and digital functions alongside an 8-bit MCU. Its verified 48 MHz operating frequency supports responsive control logic, while 32 KB of flash provides on-chip firmware storage. The 100-pin TQFP exposes more external connection options than a small microcontroller package, although exact GPIO and converter assignments must be confirmed in the CY8C36 family datasheet. Engineers should reserve pins for the sensor interface, actuator drivers, communications, and stable power distribution. This is a useful architecture when reducing separate analog and digital ICs is important, but it requires PSoC Creator or equivalent device configuration and validation of the operating-temperature range before deployment.

🏭

Building Automation and Environmental Control

The CY8C3645AXE-169 is suitable for building-automation nodes that acquire sensor information and operate relays, indicators, or communication interfaces. Its 0.5 V to 5.5 V verified operating range allows integration with compatible low-voltage circuitry, while the programmable PSoC 3 blocks can reduce the number of discrete signal-conditioning components. The 32 KB flash capacity is suitable for compact control firmware, and the 48 MHz 8051 core provides more execution headroom than the slowest 8-bit controllers. Before design release, verify the exact pin multiplexing, analog performance, low-power behavior, and temperature limits for the selected device. Firmware must also include startup validation and fault handling for connected sensors and actuators.

🌐

Communication Equipment Interface

The CY8C3645AXE-169 can serve as the supervisory controller in communication equipment where a compact 8-bit MCU must handle configuration, status, and control functions. The verified 48 MHz operating frequency supports responsive protocol handling and supervisory tasks, while 32 KB of flash stores firmware without requiring an external program-memory device. Its 100-pin TQFP footprint offers ample physical pins for serial links, indicators, resets, and interface control. Designers should isolate high-speed or high-voltage communication circuitry from the MCU and use the manufacturer's recommended clock and power arrangements. Confirm the exact available communications peripherals, pin assignments, and electrical limits before selecting it for a new protocol design.

📱

Consumer Product Control

The CY8C3645AXE-169 can be evaluated for compact consumer-product controllers that combine user inputs, analog sensing, timing, and digital control. The PSoC 3 architecture integrates configurable resources with the 8051 MCU, reducing the need for separate logic devices in cost-sensitive designs. A 48 MHz core supports responsive control tasks, and 32 KB flash is useful for storing application firmware and configuration data. The 100-pin TQFP requires more PCB area than a small-lead package, so its benefit depends on functional integration and assembly capability. Validate low-power requirements, startup behavior, peripheral accuracy, and production availability before committing to a high-volume consumer design.

🔧

Data Acquisition and Signal Processing

The CY8C3645AXE-169 fits data-acquisition designs that require acquisition, digital processing, and control in one device. Its PSoC 3 architecture combines an 8051 microcontroller with programmable analog and digital blocks, allowing signal-chain functions to be configured more flexibly than a fixed-function peripheral implementation. The 48 MHz processing frequency supports real-time control, and the 32 KB flash provides dedicated program storage. Because the verified source does not expose converter resolution, sample rate, or specific ADC specifications, engineers must confirm those values in the family datasheet. Input protection, grounding, filtering, and reference-voltage design should follow the manufacturer recommendations to preserve measurement accuracy.

🧩

Educational and Prototype Platform

The CY8C3645AXE-169 is suitable for MCU education, embedded-control training, and prototype development because it integrates an 8051 core with programmable analog and digital resources. The 48 MHz operating frequency provides a practical platform for interrupts, timers, communication, signal acquisition, and mixed-signal experiments, while 32 KB flash is adequate for many instructional firmware examples. The 100-pin TQFP footprint makes it easy to access many signals on a development board but requires careful fanout and soldering. Start with the exact pin assignment and configuration documentation, then verify peripheral behavior using a controlled prototype. Production suitability should be reassessed against lifecycle, temperature, and qualification requirements.

What are the key specifications of CY8C3645AXE-169 that engineers should know?
The CY8C3645AXE-169 is an 8-bit PSoC 3 microcontroller with a 48 MHz operating frequency, 32 KB of flash memory, an 8051 core, and a 0.5 V to 5.5 V operating range. According to the distributor listings and the CY8C36 family datasheet, it is packaged in a 100-pin TQFP measuring 14 mm by 14 mm. Its architecture integrates configurable analog and digital functions with an MCU for embedded signal acquisition, processing, and control.
What type of microcontroller is CY8C3645AXE-169?
The CY8C3645AXE-169 is an 8-bit PSoC 3 CY8C36xx programmable system-on-chip microcontroller. The verified DigiKey listing identifies its CPU as 8051 and describes the family as combining microcontroller, analog, and digital peripheral functions. According to the CY8C36 family datasheet, this integration supports signal acquisition, signal processing, and control within a single programmable device.
What is the operating voltage of CY8C3645AXE-169?
The CY8C3645AXE-169 operates from 0.5 V to 5.5 V according to its Mouser product listing. This operating range should be checked against the exact power-supply architecture and internal peripheral requirements in the manufacturer datasheet. The verified data confirms the voltage limits but does not identify the precise core and I/O voltage partition for this specific orderable device.
How much flash memory and what clock speed does CY8C3645AXE-169 have?
The CY8C3645AXE-169 provides 32 KB of flash memory and operates at up to 48 MHz. DigiKey identifies the flash organization as 32K by 8 bits, while Mouser independently identifies the device as a 48 MHz, 32K-flash 8051 MCU. The manufacturer family datasheet describes PSoC 3 as a programmable platform for signal acquisition, processing, and control.
What package and pin count are used by CY8C3645AXE-169?
The CY8C3645AXE-169 uses a 100-pin TQFP package measuring 14 mm by 14 mm. The package is a surface-mount land pattern with a relatively high pin count for external analog, digital, communication, and control connections. The verified listing establishes the package dimensions and pin count, but a complete numbered pinout was not included in the supplied source data.
Where can I download the CY8C3645AXE-169 datasheet PDF?
The CY8C3645AXE-169 family datasheet PDF is available from the supplied Cypress Semiconductor document mirror at the datasheet_url field, and the corresponding HTML datasheet index is also listed in the source data. The document identifies itself as the PSoC 3 CY8C36 Family Data Sheet, document number 001-53413, revision L, revised May 20, 2011.
Where can I find the CY8C3645AXE-169 pinout?
The CY8C3645AXE-169 pinout is found in the package and pin-assignment material associated with the PSoC 3 CY8C36 Family Data Sheet, document number 001-53413, revision L. The verified web results confirm a 100-pin TQFP package, but they do not expose the individual pin names or numbering. Consult the manufacturer PDF before wiring or PCB layout to avoid assigning functions to NC, power, ground, or special pins incorrectly.
Where to buy CY8C3645AXE-169 online?
The CY8C3645AXE-169 can be found through DigiKey, Mouser, Octopart, LCSC, TrustedParts, and other listings included in the verified search results. LCSC shows the device in stock with a listed starting price of $0.2192. DigiKey states that the part can be ordered and shipped, but lead time and order-specific inventory should be confirmed during checkout because distributor availability changes.
What is the price of CY8C3645AXE-169?
The lowest verified price shown for CY8C3645AXE-169 is $0.2192 at LCSC, as of 2026-10-29. The supplied data does not provide distributor-specific quantity tiers, so the listed tiers retain that verified unit price rather than inventing volume discounts. Buyers should request a formal quotation for production quantities and confirm taxes, shipping, stock, and minimum-order requirements.
What is the lead time and stock status for CY8C3645AXE-169?
The CY8C3645AXE-169 is shown as in stock at LCSC, while DigiKey states that the part ships today, as of 2026-10-29. Exact lead time is not stated for every distributor in the verified results, and inventory levels can change quickly. Confirm the current quantity, factory lead time, and date code with the selected authorized distributor before committing the component to a production schedule.
Is CY8C3645AXE-169 suitable for industrial control applications?
The CY8C3645AXE-169 can be evaluated for embedded industrial control because it combines an 8-bit 8051 MCU, 48 MHz operating frequency, 32 KB flash, and programmable analog and digital functions in one 100-pin device. However, the verified data does not state its operating-temperature limits or AEC-Q100 status. Industrial suitability therefore depends on environmental ratings, certifications, and lifecycle requirements confirmed from the manufacturer documentation.
What can replace CY8C3645AXE-169 on the same PCB footprint?
The closest same-family candidates are other Infineon CY8C36 devices offered in the same 100-pin TQFP footprint, such as CY8C3644AXE-169, CY8C3646AXE-169, and CY8C3647AXE-169. The supplied cross-reference results did not identify a verified competitor replacement, so no cross-brand substitute is presented as a drop-in. Firmware, memory, peripherals, temperature grade, and pin multiplexing must be compared before replacement.
Is CY8C3645AXE-169 the same as CY8C3644AXE-169?
No, the CY8C3645AXE-169 and CY8C3644AXE-169 are related family members rather than identical products. Both are associated with the CY8C36 PSoC 3 family and can be selected in the 100-pin TQFP form, but their exact memory, peripheral, and performance differences must be checked in the family datasheet. They should be treated as possible board-level alternatives only after schematic and firmware compatibility review.
When should I choose CY8C3645AXE-169 over a similar PSoC 3 device?
Choose the CY8C3645AXE-169 when the design specifically requires the verified combination of an 8-bit 8051 core, 48 MHz operation, 32 KB flash, 0.5 V to 5.5 V operation, and a 100-pin TQFP footprint. A related family device may be preferable if it provides a required memory size, temperature grade, peripheral, or lifecycle advantage. Exact equivalence cannot be established from the supplied summaries alone.
What is the best Infineon equivalent for CY8C3645AXE-169?
The best potential Infineon equivalents are same-family CY8C36 devices that use the same 100-pin TQFP land pattern, including CY8C3644AXE-169, CY8C3646AXE-169, and CY8C3647AXE-169. These are same-brand family candidates sourced from parametric knowledge because the supplied cross-reference search returned tools rather than verified replacement records. Review the PSoC 3 family datasheet and device errata before treating any candidate as a drop-in production replacement.

Справочные инженерные данные для CY8C3645AXE-169 — сравнение, рекомендации по проектированию и информация о соответствии.

Руководство по выбору

Choose the CY8C3645AXE-169 when a design specifically requires the verified combination of an 8-bit 8051 core, 48 MHz operation, 32 KB flash, 0.5 V to 5.5 V operation, and a 100-pin TQFP footprint. Its programmable analog and digital resources can simplify mixed-signal control designs compared with a discrete MCU-plus-peripheral implementation. Consider a related CY8C36 device when it offers a required memory density, temperature grade, peripheral set, lifecycle advantage, or lower cost that better matches the application. The supplied search did not establish a verified cross-brand drop-in replacement, and same-family candidates may differ in firmware-visible resources even when their package matches. Before substitution, verify the pin table, clock limits, memory map, peripheral availability, electrical characteristics, temperature grade, and qualification status. For new production designs, also confirm current lifecycle status and obtain a distributor quotation with committed stock and lead time.

Сравнение с аналогами

Параметр Этот товар CY8C3644AXE-169 CY8C3646AXE-169 CY8C3647AXE-169 CY8C3660AXE-169 CY8C3663AXE-169
Brand Infineon Technologies Infineon Technologies Infineon Technologies Infineon Technologies Infineon Technologies Infineon Technologies
Package 100-TQFP (14x14) 100-TQFP (14x14) - same 100-TQFP (14x14) - same 100-TQFP (14x14) - same 100-TQFP (14x14) - same 100-TQFP (14x14) - same
Product Type 8-bit PSoC 3 CY8C36xx microcontroller PSoC 3 CY8C36xx microcontroller PSoC 3 CY8C36xx microcontroller PSoC 3 CY8C36xx microcontroller PSoC 3 CY8C36xx microcontroller PSoC 3 CY8C36xx microcontroller
CPU Core 8051 8051 8051 8051 8051 8051
Processor Width 8 bit 8 bit 8 bit 8 bit 8 bit 8 bit

Ключевые отличия

  • Verified 32 KB flash with 48 MHz operation (против CY8C3644AXE-169)
  • Broad 0.5 V to 5.5 V operating range (против CY8C3646AXE-169)
  • 100-pin TQFP integration in 14 mm by 14 mm footprint (против CY8C3647AXE-169)

Заметки по проектированию

The CY8C3645AXE-169 uses a 100-pin TQFP land pattern, so PCB design must follow the exact package drawing and pin table rather than a generic 100-pin symbol. Confirm pin-1 orientation, exposed versus non-exposed thermal-pad details, and all power and ground assignments in the manufacturer package information. A symbol-and-footprint cross-check against the selected variant should be completed before fabrication.

The verified supply range is 0.5 V to 5.5 V, but that range does not by itself define a usable system rail. Verify the device's core, I/O, analog, and power-sequencing requirements in the CY8C36 family datasheet. Provide local bypass capacitance, maintain the recommended return path, and separate noisy analog and digital returns where the application permits to reduce supply coupling and measurement error.

Route sensitive analog inputs away from digital clocks, fast-edge signals, switching supplies, and high-current output paths. Keep the analog ground reference short and maintain continuous return paths beneath the device where the manufacturer layout guidance permits. Because the verified data does not specify ADC resolution, converter topology, or recommended external components, those values must be obtained from the exact family datasheet before finalizing the front end.

Do not assume that adjacent CY8C36 MPNs are interchangeable merely because they use the same package. Check flash capacity, RAM, clock limits, GPIO mappings, analog resources, temperature grade, qualification, and active lifecycle status. A footprint-compatible replacement can still require firmware changes if peripheral assignments or device identifiers differ, so complete schematic, timing, and firmware regression checks before substitution.

Информация о соответствии

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

The supplied verified results confirm the part identity, electrical headline specifications, package, price, and availability, but they do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. No compliance claim has been inferred.

Данные проверены: 2026-10-29 — данные проверены и курируются командой компонентной инженерии XAIPART

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Связанные компоненты & термины

Infineon Technologies CY8C3645AXE-169 CY8C36 family PSoC 3 programmable system-on-chip microcontroller MCU 8051 core 8-bit microprocessor embedded microcontroller mixed-signal microcontroller semiconductor 48 MHz 32 KB flash 0.5 V to 5.5 V 100-pin TQFP TQFP package surface-mount package programmable analog blocks programmable digital blocks signal acquisition signal processing industrial control data acquisition
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