NXP Semiconductors MCF51AC256ACLKE Microcontrollers
IC MCU 32BIT 256KB FLASH 80LQFP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
MCF51AC256ACLKE
Base Model
Detailed Description
IC MCU 32BIT 256KB FLASH 80LQFP
Package
80-LQFP
Lifecycle Status
Active
Datasheet
MCF51AC256ACLKE Datasheet
Quick Jump:
Technical Specifications
NXP Semiconductors MCF51AC256ACLKE Microcontrollers technical specifications.
General
RAM Size
32K x 8
RoHS
Yes
Package / Case
80-LQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.7V ~ 5.5V
Lifecycle Status
Active
Peripherals
LVD, PWM, WDT
Number of I/O
69
Speed
50MHz
Alternate Parts Comparison (MCF51AC256ACLKE vs MCF51AC256BCFGER vs MCF51AC128CCFGER vs MCF51AC256BCPUE)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 80-LQFP | 44-LQFP | 44-LQFP | 64-LQFP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| Core Processor | Coldfire V1 | Coldfire V1 | Coldfire V1 | Coldfire V1 |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| RAM Size | 32K x 8 | 32K x 8 | 16K x 8 | 32K x 8 |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Active |
| Connectivity | CANbus, I²C, SCI, SPI | I²C, SCI, SPI | I²C, SCI, SPI | I²C, SCI, SPI |
| Data Converters | A/D 24x12b | A/D 9x12b | A/D 9x12b | A/D 20x12b |
| Number of I/O | 69 | 36 | 36 | 54 |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
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