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MCF51AC256ACLKE — TQFP/LQFP-32/44 package (representative)
TQFP/LQFP-32/44
Representative of package type
NXP (Freescale)

MCF51AC256ACLKE

Microcontroller · 80-LQFP · Microcontroller
Part Status: NRND
Data last refreshed Jul 27, 2026
Manufacturer
NXP (Freescale)
Mfr Part #
MCF51AC256ACLKE
Series
MCF51AC
Category
Microcontroller
Datasheet
View datasheet ↗
Availability & Pricing
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Product Attributes

Electrical & Parametric
CoreColdFire V1
Frequency Max50 MHz
Flash256 KB
Ram32 KB
Voltage2.7V ~ 5.5V
Physical & Thermal
Package / Case80-LQFP
Mounting TypeSurface Mount
SeriesMCF51AC
Operating Temperature-40°C ~ 85°C
Classification & Lifecycle
CategoryMicrocontroller
TypeMicrocontroller
Part StatusNRND

32-bit ColdFire V1 MCU, 50 MHz, 256 KB Flash, 32 KB SRAM, 80-LQFP

Environmental & Export Classifications

RoHS Status
RoHS Compliant

Part Activity

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Engineering FAQ

What are the key specifications of MCF51AC256ACLKE?
Core: ColdFire V1; Frequency Max: 50 MHz; Flash: 256 KB; Ram: 32 KB; Voltage: 2.7V ~ 5.5V.
What package is MCF51AC256ACLKE supplied in?
MCF51AC256ACLKE is supplied in the 80-LQFP package, surface mount, rated -40°C ~ 85°C.
Can ZDI source MCF51AC256ACLKE beyond the quantities shown?
Yes — ZD Integrated Circuits specializes in sourcing hard-to-find, obsolete, and excess electronic components through its global network, with counterfeit-avoidance inspection on every lot. Submit an RFQ with your target quantity for availability and pricing.

Documents & Media

Quality & Counterfeit Avoidance

ISO 9001 ERAI Member ESD Certified GIDEP Participant ZDI EQuality Process CAGE Code 1V8K2

ZD Integrated Circuits operates an ISO 9001-certified quality system incorporating JEDEC-standard process-control elements. In an era of global sourcing and internet procurement, standards compliance alone no longer assures component authenticity — so ZDI pioneered a multi-layered counterfeit-avoidance program: supplier analysis at the source-country level, detailed component analysis, defined inspection standards for all incoming devices, and stringent supplier rating and review. These programs let ZDI guarantee the integrity and the source of every component it ships.

Every lot moves through ZDI's EQuality Process™ — validation, QI-1 and QI-2/camera inspection, RoHS verification, bake and bag-and-tag, and QI-3 final inspection — with Quality-Manager disposition before release. Nonconforming material is quarantined; conforming material is warehoused or shipped.

✓Multi-stage EQuality Process™ inspection (QI-1 · QI-2/camera · QI-3)
✓Source-country supplier analysis, rating & review
✓Incoming inspection, RoHS verification, bake, full lot traceability
✓ESD-controlled handling · authentic parts guaranteed

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