MC9S12XS128MAE vs MCF51AC256BVLKE Comparison
Detailed side-by-side comparison of MC9S12XS128MAE by NXP Semiconductors and MCF51AC256BVLKE by NXP Semiconductors. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
NXP Semiconductors
MC9S12XS128MAE - 16-bit 128KB Flash HCS12X MCU 64-LQFP | NXP (Tape & Reel)
MC9S12XS128MAE ✓ ActiveNXP Semiconductors
MCF51AC256BVLKE - ColdFire V1 MCU 256KB Flash 50MHz | NXP LQFP-80
MCF51AC256BVLKE ⚠ Last Time BuySpecification Comparison
| Parameter | MC9S12XS128MAE | MCF51AC256BVLKE |
|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Last Time Buy |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $16.41 | $8.95 |
| Core Processor | HCS12X | — |
| Core Size | 16-Bit | — |
| Program Memory Size | 128KB (128K x 8) FLASH | — |
| EEPROM Size | 8KB | — |
| RAM Size | 8KB | — |
| Maximum Clock Speed | 40 MHz | — |
| Supply Voltage | 5 V | — |
| Number of I/O | 44 | — |
| Connectivity | CANbus, SCI, SPI | — |
| Peripherals | LVD, POR, PWM, WDT | — |
| Package | 64-LQFP (10x10 mm) | 80-pin LQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount (LQFP, gull-wing) |
| Operating Temperature | -40C to +125C (Industrial/Automotive) | — |
| RoHS Status | Compliant | Compliant |
| Part Status | Obsolete (per distributor listings) | — |
| Core | — | ColdFire V1 (32-bit RISC) |
| Maximum CPU Frequency | — | 50 MHz |
| Program Flash Memory | — | 256 KB |
| SRAM | — | 32 KB |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| Operating Temperature Range | — | -40 °C to +105 °C (industrial) |
| GPIO Count | — | Up to 69 |
| ADC | — | 12-bit SAR, up to 16 channels |
| ADC Conversion Time | — | 2.5 µs minimum |
| SCI (UART) Modules | — | 3 |
| SPI Modules | — | 2 |
| I2C Modules | — | 2 |
| Timers / PWM | — | FlexTimer (FTM) modules with PWM |
| Touch Sensing Interface | — | TSI, up to 16 channels |
| Low-Power Modes | — | Stop, Wait with peripheral wake-up |
| Halogen Free | — | Compliant |