MCF51AC256BVLKE vs PCF51QU64VLF Comparison
Detailed side-by-side comparison of MCF51AC256BVLKE by NXP Semiconductors and PCF51QU64VLF 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
PCF51QU64VLF - Coldfire V1 MCU 32-Bit 50MHz 64KB Flash 48-LQFP | NXP Semiconductors
PCF51QU64VLF ObsoleteSpecification Comparison
| Parameter | MCF51AC256BVLKE | PCF51QU64VLF |
|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Last Time Buy | Obsolete |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $8.95 | $2.79 |
| 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 | 1.8 V to 3.6 V |
| Package | 80-pin LQFP (14x14 mm) | — |
| Operating Temperature Range | -40 °C to +105 °C (industrial) | -40C to +105C |
| 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 | — |
| Halogen Free | Compliant | — |
| Core Processor | — | Coldfire V1 |
| Core Size | — | 32-Bit |
| Core Count | — | Single-Core |
| Maximum CPU Speed | — | 50 MHz |
| Program Memory Size | — | 64 KB (64K x 8) |
| Program Memory Type | — | FLASH |
| RAM Size | — | [DATA_NEEDED: RAM size in KB] |
| EEPROM Size | — | [DATA_NEEDED: EEPROM size] |
| Number of I/O | — | 35 |
| Connectivity | — | EBI/EMI, I2C, SPI, UART/USART |
| Peripherals | — | DMA, LVD, POR, PWM |
| Package Type | — | 48-LQFP (7x7 mm) |
| Lead Free / RoHS | — | Compliant per NXP product page |
| Series | — | MCF51Qx |