MCF51AC256BCLKE vs MCF51QE128CLH Comparison
Detailed side-by-side comparison of MCF51AC256BCLKE by NXP Semiconductors and MCF51QE128CLH 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
MCF51AC256BCLKE - 32-bit ColdFire V1 MCU, 256KB Flash, 50MHz | NXP
MCF51AC256BCLKE ✗ End of LifeNXP Semiconductors
MCF51QE128CLH - ColdFire V1 32-bit MCU, 128KB Flash, 50MHz | NXP
MCF51QE128CLH ✗ End of LifeSpecification Comparison
| Parameter | MCF51AC256BCLKE | MCF51QE128CLH |
|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | End of Life | End of Life |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.05 | $12.99 |
| Core Processor | ColdFire V1 | ColdFire V1 (32-bit) |
| Core Size | 32-bit | — |
| Maximum Clock Speed | 50 MHz | — |
| Program Memory Size | 256 KB (256K x 8) | — |
| Program Memory Type | FLASH | — |
| RAM Size | 32 KB | — |
| EEPROM Size | N/A | — |
| Connectivity | I2C, SCI, SPI | — |
| Peripherals | LVD, PWM, WDT | — |
| Number of I/O | 69 | — |
| Package | LQFP-80 (14x14 mm) | 64-LQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Series | MCF51AC (Flexis) | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | — |
| Supply Voltage | [DATA_NEEDED: supply voltage range] | 2.5V / 3.3V |
| ADC Resolution | [DATA_NEEDED: ADC resolution] | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| Part Status | End of Life (per NXP product page) | — |
| Core Architecture | — | 32-bit RISC (ColdFire, 68000-derived) |
| Maximum CPU Frequency | — | 50.33 MHz (above 2.4V); 40 MHz (lower voltage range) |
| Flash Memory | — | 128KB (128K x 8), 131KB total program Flash |
| Data RAM | — | 8KB |
| I/O Lines | — | 72 |
| ADC | — | 24-channel, 12-bit |
| PWM Channels | — | Yes |
| Boundary Scan / JTAG | — | Yes |
| Terminal Pitch | — | 0.5 mm |
| Family / Series | — | Flexis QE (MCF51QE128) |
| Lifecycle Status | — | End of Life (per NXP product page) |
| Packaging (tray) | — | Tray |