PCF51QU64VLF vs MCF51AC256BVLKE Comparison
Detailed side-by-side comparison of PCF51QU64VLF 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
PCF51QU64VLF - Coldfire V1 MCU 32-Bit 50MHz 64KB Flash 48-LQFP | NXP Semiconductors
PCF51QU64VLF ObsoleteNXP Semiconductors
MCF51AC256BVLKE - ColdFire V1 MCU 256KB Flash 50MHz | NXP LQFP-80
MCF51AC256BVLKE ⚠ Last Time BuySpecification Comparison
| Parameter | PCF51QU64VLF | MCF51AC256BVLKE |
|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Obsolete | Last Time Buy |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.79 | $8.95 |
| 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 | — |
| Supply Voltage Range | 1.8 V to 3.6 V | 2.7 V to 5.5 V |
| Operating Temperature Range | -40C to +105C | -40 °C to +105 °C (industrial) |
| Package Type | 48-LQFP (7x7 mm) | — |
| Mounting Type | Surface Mount | Surface Mount (LQFP, gull-wing) |
| Lead Free / RoHS | Compliant per NXP product page | — |
| Series | MCF51Qx | — |
| Core | — | ColdFire V1 (32-bit RISC) |
| Maximum CPU Frequency | — | 50 MHz |
| Program Flash Memory | — | 256 KB |
| SRAM | — | 32 KB |
| Package | — | 80-pin LQFP (14x14 mm) |
| 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 |
| RoHS Status | — | Compliant |
| Halogen Free | — | Compliant |