NXP Semiconductors

MCF51AC128AVFUE - 50MHz 128KB Flash 32-Bit MCU | NXP

부품 번호: MCF51AC128AVFUE ✓ 활성
재고 있음 영업일 기준 1~3일 내 발송
3.3 V / 5 V Vdss 64-QFP Package 50 MHz Speed 128 KB Memory
시작가 $6.2925 USD / 개
MOQ: 1 |
가격 업데이트: 2026-10-20
볼륨 가격
수량 단가 합계
1 $6.2925 $6.29
10 $6.2925 $62.93
100 $6.2925 $629.25
500 $6.2925 $3,146.25
1,000 $6.2925 $6,292.50
ℹ️ 모든 가격은 USD 기준입니다

MCF51AC128AVFUE 개요

The NXP MCF51AC128AVFUE is a 32-bit ColdFire V1 microcontroller with a 50 MHz operating frequency, 128 KB of Flash memory, and a 64-QFP package measuring 14 mm by 14 mm. The device is designed for embedded systems that require 32-bit processing, compact packaging, and compatibility with the Flexis controller family. Its 3.3 V and 5 V operating support is identified in the verified product data, while detailed electrical limits and peripheral specifications must be confirmed in the manufacturer datasheet.

A microcontroller is a programmable semiconductor that integrates a processor core, memory, and peripherals into one device. The ColdFire architecture uses a variable-length reduced instruction set computer design, allowing compact code while providing 32-bit processing capability. The MCF51AC family belongs to the Flexis series, where 8-bit and 32-bit controller options support migration and shared hardware concepts. This positioning makes the MCF51AC128AVFUE relevant to industrial controls, appliances, data acquisition equipment, and connected embedded products.

The verified listing identifies the MCU as part of the MCF51AC family and specifies a 50 MHz maximum clock, 128 KB Flash, and 64-QFP package. The 128 KB Flash figure corresponds to 128K by 8 bits according to the distributor description. Because the supplied snippets do not provide RAM size, pin-level functions, ADC specifications, timer resources, operating-temperature limits, or electrical absolute-maximum ratings, those values are retained as data-needed items rather than inferred.

The ColdFire V1 core is suitable for embedded control workloads requiring deterministic digital processing, interrupt-driven peripherals, and moderate code density. The 50 MHz clock provides a useful performance envelope for protocol handling, state machines, motor or appliance control, and supervisory logic. Actual application suitability depends on the peripheral mix, memory map, timing, and pin multiplexing documented in the manufacturer datasheet. The 64-QFP package exposes more pins than a small QFN and can simplify access to external interfaces, subject to the verified pinout.

Typical designs can use the MCU for industrial control boards, motor-control supervisory circuits, building equipment, test instruments, and low-to-medium complexity consumer products. Designers should verify clock configuration, power sequencing, reset behavior, and all peripheral electrical limits against the official documentation before layout release. The QFP package should be paired with a footprint that matches the exact 14 mm by 14 mm outline and pin pitch.

A key sourcing consideration is lifecycle status. The supplied distributor results show active purchasing pages and list the part for sale, but they do not provide a current manufacturer lifecycle declaration. Confirm stock, lead time, and authorized-channel status with the manufacturer or an authorized distributor before committing to production. This page distinguishes verified facts from unavailable technical parameters.

드롭인 대체품: MCF51AC128AVFUE — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.

이 시리즈의 변형

다음과 드롭인 호환되는 동일 시리즈 모델: MCF51AC128AVFUE (동일 폼 팩터 및 풋프린트) — 차이점: Package, Operating Temperature, Series, Supply Voltage.

NXP Semiconductors
Package: 64-QFP (14x14 mm)
Operating Temperature: -40C to +85C (industrial)
Series: MCF51AC Flexis
비교 대상: MCF51AC128AVFUE →
NXP Semiconductors
Package: 64-LQFP (14x14 mm)
Operating Temperature: -40C to +85C
Supply Voltage: 2.7 V to 5.5 V
비교 대상: MCF51AC128AVFUE →

빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:

MCF51AC128ACFUE

✅ 드롭인
NXP Semiconductors
📦 64-QFP (14x14 mm)
ColdFire V1 (V1 ColdFire RISC) · 32-bit single-core · 50 MHz · 128 KB (128K x 8) Flash · 2.7 V to 5.5 V · 64-QFP (14x14 mm) · Surface Mount

✓ 재고 있음

$12.18 / 개

데이터시트 보기 →

MCF51AC256ACFUE

✅ 드롭인
NXP Semiconductors
📦 64-QFP (14x14 mm)
ColdFire V1 (32-bit RISC) · 50 MHz · 256 KB · 32 KB · 2.7 V to 5.5 V · 64-LQFP (14x14 mm) · Surface Mount · -40C to +85C

✓ 재고 있음

$8.12 / 개

데이터시트 보기 →

MCF51AC256BVFUE

✅ 드롭인
📦 64-QFP (14x14 mm)
Related MCF51AC device with 256-class Flash and a different ordering suffix; Flash differs by +128 KB, while verified pin and electrical details are .

📋 참조 대체품 (카탈로그에 없음)

MCF51AC256AVFUE

✅ 드롭인
📦 64-QFP (14x14 mm)
Related 256-class MCF51AC variant; verified Flash differs from the target by +128 KB, and exact drop-in compatibility requires NXP confirmation.

📋 참조 대체품 (카탈로그에 없음)

MCF51AC256BCFUE

✅ 드롭인
📦 64-QFP (14x14 mm)
Related MCF51AC variant with a different memory and ordering suffix; verified Flash differs by +128 KB, with pinout and electrical equivalence .

📋 참조 대체품 (카탈로그에 없음)

MCF51AC128AVFUE 최대 정격 & 전기적 특성

Product Type 32-bit microcontroller
Processor Core ColdFire V1
Maximum Operating Frequency 50 MHz
Flash Memory 128 KB
Flash Organization 128K x 8 bits
공급 전압 3.3 V / 5 V
패키지 64-QFP
Package Dimensions 14 mm x 14 mm
Architecture Variable-length RISC
Family MCF51AC
Series Flexis
RoHS unknown
REACH unknown
실장 유형 Surface mount

MCF51AC128AVFUE 14 mm x 14 mm 핀 구성 가이드

MCF51AC128AVFUE(14 mm x 14 mm 패키지)의 핀 구성입니다. 이 디지털 IC에는 GPIO, 통신 인터페이스(UART, SPI, I2C), 전원 핀이 포함되어 있습니다. 대체 핀 기능과 구성 옵션은 제조사 데이터시트를 참조하십시오. 임베디드 시스템 설계와 PCB 레이아웃에 필수적입니다.

MCF51AC128AVFUE의 14 mm x 14 mm 패키지 핀아웃 다이어그램

다음에 대한 상세 핀아웃 데이터 없음: MCF51AC128AVFUE.

다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.

일반적인 애플리케이션

MCF51AC128AVFUE 적합 용도: 7 애플리케이션s: Industrial Control Board, Appliance Controller, Data Acquisition Front End, Building and HVAC Equipment, Motor and Power-System Supervisory Control, Communication Gateway Controller, Test and Measurement Instrument.

🏭

Industrial Control Board

The MCF51AC128AVFUE fits an industrial supervisory controller when the design needs 32-bit processing, a 50 MHz ColdFire V1 core, and 128 KB of Flash for control code. It can supervise sensors, execute state machines, manage digital interlocks, and coordinate actuators through the MCU’s documented peripheral resources. The 64-QFP package provides a larger external-pin footprint than a compact QFN, which can simplify routing to external interface components. Because the supplied data does not confirm RAM, ADC, timer, or serial specifications, the final controller selection requires checking the official datasheet against the industrial control loop and environmental requirements.

🔧

Appliance Controller

The MCF51AC128AVFUE can serve as the central controller in an appliance or electromechanical system because its 50 MHz ColdFire V1 core provides processing headroom for user-interface logic, timing, and supervisory control. The verified 128 KB Flash capacity is suitable for firmware storage in many compact products, while the 64-QFP package makes external connections manageable on a conventional PCB. Designers must confirm the MCU’s verified I/O count, voltage tolerances, timers, communication peripherals, and operating temperature before assigning motors, relays, sensors, or display interfaces.

📟

Data Acquisition Front End

The MCF51AC128AVFUE is a candidate for data-acquisition equipment that requires deterministic embedded processing and local control rather than a high-end host processor. Its 50 MHz ColdFire V1 core can execute sampling sequencing, filtering, calibration logic, and data formatting, while the 128 KB Flash can hold application firmware. The verified material does not specify ADC resolution, sample rate, RAM, or serial protocols, so analog-front-end and communications decisions must remain conditional until those specifications are confirmed in the manufacturer documentation.

🏠

Building and HVAC Equipment

The MCF51AC128AVFUE can be evaluated for building equipment and HVAC supervisory functions that combine digital inputs, control logic, communication, and configurable timing. The 32-bit ColdFire architecture and 50 MHz clock are useful for managing multiple control states and communicating with sensors or remote modules, while the 128 KB Flash supports firmware storage. Before using it in a deployed HVAC product, verify the exact peripheral set, supply limits, temperature range, watchdog behavior, and any regulatory or environmental requirements in the official NXP documentation.

⚡

Motor and Power-System Supervisory Control

The MCF51AC128AVFUE can be used as a supervisory controller in motor or power-system equipment where a separate processor handles high-energy switching and the MCU manages sequencing, interlocks, diagnostics, and protection coordination. The 50 MHz core provides sufficient architectural headroom for complex control state machines, while the 128 KB Flash stores application logic. It should not be assumed to directly replace a power-semiconductor gate driver or safety controller; verify timer precision, ADC interfaces, fault pins, voltage domains, isolation requirements, and thermal limits in the manufacturer datasheet.

🌐

Communication Gateway Controller

The MCF51AC128AVFUE may fit a small protocol-conversion gateway when the firmware fits within 128 KB Flash and the application needs a 32-bit control processor rather than a high-power host MCU. Its ColdFire V1 architecture can support packet handling, command routing, buffering, and device-management logic. The verified data does not identify Ethernet, USB, CAN, UART, or other communication peripherals, so gateway feasibility depends on the complete peripheral list. Use the exact NXP documentation to confirm transceiver interfaces, electrical levels, DMA behavior, and timing before selecting it.

🧰

Test and Measurement Instrument

The MCF51AC128AVFUE is suitable for evaluation as a control processor in a compact test or measurement instrument when the product needs deterministic sequencing, local calibration logic, and firmware storage. The 32-bit core and 50 MHz operating point can support instrument control, status handling, and communication tasks, while the 64-QFP package permits routing to external converters and interface logic. The supplied sources do not confirm high-resolution ADC, DAC, precision references, timing resources, or operating-temperature limits, so those specifications must be verified before claiming metrology performance.

What is the MCF51AC128AVFUE?
The MCF51AC128AVFUE is a 32-bit ColdFire V1 microcontroller from NXP Semiconductors with a verified maximum frequency of 50 MHz and 128 KB of Flash memory. It is supplied in a 64-QFP package measuring 14 mm by 14 mm. According to the verified NXP product listing and DigiKey result, the device belongs to the MCF51AC family and is based on the Flexis controller series.
What are the key specifications of MCF51AC128AVFUE?
The verified key specifications are a 32-bit ColdFire V1 core, 50 MHz operating frequency, 128 KB Flash organized as 128K x 8 bits, 3.3 V / 5 V supply support, and a 64-QFP package measuring 14 mm by 14 mm. The supplied sources do not confirm RAM, GPIO count, ADC specifications, timer details, or the complete pinout, so those values should be taken from the official manufacturer datasheet.
Where can I download the MCF51AC128AVFUE datasheet?
The official product page is available at https://www.nxp.com/part/MCF51AC128AVFUE, and the verified search results also identify a manufacturer datasheet PDF hosted by Alldatasheet. The official NXP page is the preferred starting point for current documentation, revisions, and product support. The supplied material does not provide a verified document number or page count, so those details are intentionally not stated.
Where can I find the MCF51AC128AVFUE pinout?
The MCF51AC128AVFUE pinout should be obtained from the official NXP product page or its manufacturer datasheet because the supplied search snippets do not include the complete 64-pin pin mapping. The verified package is 64-QFP, but package type alone is not sufficient to assign pin names or functions safely. Do not rely on a third-party image until its revision matches the exact ordering code.
Is MCF51AC128AVFUE suitable for an embedded control application?
Yes, the MCF51AC128AVFUE is suitable for many embedded-control applications because it provides a 32-bit ColdFire V1 core, 50 MHz clock capability, and 128 KB Flash. It can serve industrial controllers, appliance controllers, data-acquisition equipment, and supervisory systems when its documented peripherals, memory, and electrical limits match the design. The supplied data does not confirm RAM or peripheral details, so final suitability requires datasheet review.
What is the price of MCF51AC128AVFUE?
The verified LCSC result lists MCF51AC128AVFUE from $6.2925 and states that the part is in stock. This is a point-in-time distributor listing as of 2026-10-21, not a guaranteed quotation. Pricing can change with quantity, inventory, manufacturer status, and authorized-channel availability. Use the LCSC listing or request a current quotation before purchasing.
Where can I buy MCF51AC128AVFUE online?
MCF51AC128AVFUE can be purchased through the verified LCSC product page, while DigiKey results list the component under both NXP USA and Rochester Electronics. The LCSC result shows a price from $6.2925 and in-stock status as of 2026-10-21. Verify the exact manufacturer label, packaging, authorized status, and delivery terms before placing a production order.
What is the lead time for MCF51AC128AVFUE?
The supplied sources do not provide a numeric lead time for MCF51AC128AVFUE. DigiKey and LCSC listing pages indicate commercial availability, but that does not establish a guaranteed delivery interval. Request a dated quotation from the seller and confirm the committed ship date for the exact package and quantity. For production planning, also verify manufacturer lifecycle and authorized-channel status.
Is MCF51AC128AVFUE in stock?
The verified LCSC search result states that MCF51AC128AVFUE is in stock and lists a starting price of $6.2925 as of 2026-10-21. DigiKey also provides purchasable product pages, but each distributor inventory level can change independently. Treat the listing as an availability signal rather than a guaranteed quantity reservation and confirm stock before committing.
What can replace MCF51AC128AVFUE?
No verified drop-in replacement for MCF51AC128AVFUE was identified in the supplied cross-reference data. The device is a specialized 32-bit ColdFire V1 MCU in a 64-QFP package, so a replacement must match not only the package and pinout but also memory, clock, peripherals, voltage, software model, and lifecycle requirements. Do not substitute a generic 32-bit MCU without a complete manufacturer and design review.
Is MCF51AC128AVFUE the same as MCF51AC128ACFUE?
The supplied search results list MCF51AC128ACFUE as a related comparison part, but they do not establish that it is a true drop-in replacement for MCF51AC128AVFUE. Same-family naming alone does not prove identical pinout, memory, voltage, temperature grade, or software compatibility. Treat MCF51AC128ACFUE as a candidate for engineering review, not as an approved substitute, until the manufacturer ordering information and datasheet are compared.
What is the best NXP equivalent for MCF51AC128AVFUE?
The verified data does not identify a confirmed NXP drop-in equivalent other than the target ordering code itself. NXP product pages and comparison results name related MCF51AC devices, but no supplied source confirms pin-to-pin compatibility and identical electrical behavior. The safest approach is to ask NXP or an authorized distributor to identify an approved migration path based on the complete datasheet and application requirements.
MCF51AC128AVFUE vs MCF51AC256ACFUE: which is better?
MCF51AC128AVFUE and MCF51AC256ACFUE are both listed in comparison resources, but the supplied data does not provide enough verified specifications to recommend one as a drop-in replacement. The target is verified as 128 KB Flash and 50 MHz, while the alternative’s detailed memory and peripheral differences are not established here. Compare Flash, RAM, package, pinout, voltage, peripherals, and software before selecting the device.
How do I design the power supply for MCF51AC128AVFUE?
The verified product data identifies 3.3 V / 5 V support, but it does not provide the complete DC operating ranges, current limits, internal regulator details, or decoupling requirements. Use the official NXP datasheet to determine the permitted supply voltage, external capacitor values, startup behavior, and maximum pin currents. Place required decoupling close to the supply pins and follow the manufacturer’s recommended layout.
Does MCF51AC128AVFUE support automotive or industrial applications?
The MCU may be evaluated for industrial or appliance-control designs, but the supplied sources do not state an automotive qualification, temperature grade, or AEC-Q100 status. Its 50 MHz ColdFire V1 performance and 128 KB Flash make it a plausible embedded-control platform, while reliability depends on the verified operating temperature, qualification, and supply specifications. Obtain the current NXP datasheet and lifecycle documentation before claiming suitability for a regulated industry.
What tooling is available for MCF51AC128AVFUE?
The verified sources identify the ColdFire V1 architecture but do not name a specific debugger, programmer, compiler, or software-development package. Engineers should use the current NXP development resources and the documentation associated with the MCF51AC family. Confirm memory programming, debug connection, clock configuration, peripheral drivers, and the exact device revision in NXP’s official support material.
How should I verify MCF51AC128AVFUE before purchasing?
Verify the exact MPN, manufacturer, package, memory configuration, and lifecycle status against the official NXP product page, then confirm price and stock with the selected distributor. The verified sources identify NXP as the current product source and also include legacy Freescale Semiconductor naming. Because distributor data can change, record the quotation date and obtain authorized-channel confirmation before production release.

엔지니어링 참조 데이터: MCF51AC128AVFUE — 비교, 설계 지침 및 규정 준수 정보.

선택 가이드

Choose MCF51AC128AVFUE when the design specifically needs a 32-bit ColdFire V1 MCU, a verified 50 MHz operating point, 128 KB Flash, and a 64-QFP package. It is a sensible starting point for embedded controllers where the application fits the MCF51AC architecture and the complete datasheet confirms the required RAM, peripherals, pinout, voltage limits, and temperature grade. Do not automatically choose the MCF51AC256-class listed alternatives: their memory designation differs, and the supplied evidence does not establish drop-in equivalence. Treat MCF51AC128ACFUE as a review candidate only until NXP confirms pin, memory, and electrical compatibility. For a production release, verify lifecycle status, authorized sourcing, package drawing, and the exact ordering code with the manufacturer.

대체품과의 비교

파라미터 이 제품 MCF51AC128ACFUE MCF51AC256ACFUE MCF51AC256BVFUE MCF51AC256AVFUE MCF51AC256BCFUE
Package 64-QFP (14x14 mm) 64-QFP (14x14 mm) 64-QFP (14x14 mm) 64-QFP (14x14 mm) 64-QFP (14x14 mm) 64-QFP (14x14 mm)
Brand NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors

주요 차별점

  • Verified 128 KB Flash configuration (vs MCF51AC256AVFUE)
  • 50 MHz verified operating point (vs MCF51AC128ACFUE)
  • Documented 64-QFP 14 mm by 14 mm package (vs MCF51AC256ACFUE)
  • ColdFire V1 32-bit architecture (vs MCF51AC256BVFUE)

설계 노트

Estimated footprint validation is required before layout: the verified package is 64-QFP at 14 mm by 14 mm, but the exact lead pitch, exposed-pad configuration, courtyard, and pin numbering must be copied from the official package drawing. Do not infer a land pattern from the package name alone. Compare the PCB library against the NXP mechanical drawing and use a paste mask and assembly profile approved for the actual supplier.

The verified listing states 3.3 V and 5 V support, but it does not provide the complete operating voltage range or current budget. Before connecting external circuitry, confirm the device’s VDD limits, I/O pin thresholds, internal regulator behavior, startup sequence, and maximum current in the manufacturer datasheet. Add the specified decoupling capacitors at the power pins and keep return paths short to reduce supply noise.

Do not select a replacement solely because its MPN begins with MCF51AC or because a distributor lists the same 64-QFP family. Verify Flash, RAM, clock, package dimensions, pin names, peripheral mapping, voltage domains, interrupt behavior, and software compatibility. In particular, the listed MCF51AC256 variants indicate a different memory class from the 128 KB target and must not be treated as equivalent without NXP confirmation.

The supplied sources use both the historical Freescale Semiconductor name and NXP USA Inc. in distributor records. Treat that as a sourcing-history issue, not proof that every listing is identical. Confirm the manufacturer, authorized status, date code, package, and exact ordering code on the current NXP documentation before approving the component for production.

규정 준수 정보

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
무연
Unknown
무할로겐
Unknown
분쟁 광물
Unknown

The supplied verified data does not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. Compliance must be confirmed from the current NXP product documentation or supplier declarations.

관련 검색

MCF51AC128AVFUE MCF51AC128AVFUE datasheet NXP MCF51AC128AVFUE MCF51AC 32-bit ColdFire V1 microcontroller MCF51AC128AVFUE 50MHz 128KB Flash 64-QFP 14x14 microcontroller MCF51AC128AVFUE industrial control MCU MCF51AC128AVFUE price and stock MCF51AC128AVFUE vs MCF51AC256AVFUE MCF51AC128AVFUE drop-in replacement What is MCF51AC128AVFUE? MCF51AC128AVFUE pinout

관련 부품 & 용어

NXP Semiconductors Freescale Semiconductor MCF51AC128AVFUE MCF51AC ColdFire V1 32-bit RISC microcontroller Flexis controller series 50 MHz 128 KB Flash 64-QFP 14 mm by 14 mm package 3.3 V 5 V Microcontroller embedded control industrial control appliance controller data acquisition building equipment motor supervisory control communication gateway test and measurement MCF51AC256AVFUE MCF51AC256ACFUE MCF51AC128ACFUE MCF51AC256BVFUE MCF51AC256BCFUE
빠른 견적 RFQ
상세 정보를 모두 입력하십시오 — 영업팀이 24시간 이내에 답변드립니다
부품 번호 제조사 패키지 QTY 목표 가격 합계
합계: $0.00 USD
✓
견적이 제출되었습니다!

24시간 이내에 이메일로 답변드리겠습니다

1
RFQ 제출됨
2
견적 접수됨
3
주문 완료
4
결제
5
배송됨
6
배송 완료
RFQ 상세 보기