MCF51AC256BVLKE vs MC9S12XS128MAE Comparison
Detailed side-by-side comparison of MCF51AC256BVLKE by NXP Semiconductors and MC9S12XS128MAE 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
MCF51AC256BVLKE - ColdFire V1 MCU 256KB Flash 50MHz | NXP LQFP-80
MCF51AC256BVLKE ⚠ Last Time BuyNXP Semiconductors
MC9S12XS128MAE - 16-bit 128KB Flash HCS12X MCU 64-LQFP | NXP (Tape & Reel)
MC9S12XS128MAE ✓ ActiveSpecification Comparison
| Parameter | MCF51AC256BVLKE | MC9S12XS128MAE |
|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Last Time Buy | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $8.95 | $16.41 |
| 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 | — |
| Package | 80-pin LQFP (14x14 mm) | 64-LQFP (10x10 mm) |
| 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 | — |
| Mounting Type | Surface Mount (LQFP, gull-wing) | Surface Mount |
| RoHS Status | Compliant | Compliant |
| Halogen Free | Compliant | — |
| 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 |
| Operating Temperature | — | -40C to +125C (Industrial/Automotive) |
| Part Status | — | Obsolete (per distributor listings) |