MK21DX256AVLK5 vs MK21DN512AVLK5 Comparison
Detailed side-by-side comparison of MK21DX256AVLK5 by NXP Semiconductors and MK21DN512AVLK5 by NXP Semiconductors. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | MK21DX256AVLK5 | MK21DN512AVLK5 |
|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $11.00 | $4.80 |
| Core | ARM Cortex-M4 | — |
| Core Size | 32-bit | 32-Bit |
| Maximum Clock Frequency | 50 MHz | 50 MHz |
| Flash Memory | 256 KB | 512 KB (512K x 8) |
| SRAM | 64 KB | 64 KB |
| Supply Voltage | 1.8 V / 2.5 V / 3.3 V | 1.8 V / 2.5 V / 3.3 V |
| Package | 80-LQFP (12x12 mm), FQFP square, gull-wing terminals | 80-LQFP (12x12 mm) |
| Number of Pins / Terminals | 80 | — |
| Mounting Type | Surface Mount | Surface Mount |
| USB | Full-Speed USB | Full-Speed USB 2.0 device/OTG controller |
| Security Features | Hardware encryption and tamper detection (DryIce) | Hardware encryption, anti-tamper detection (DryIce) |
| Series | Kinetis K2x (K2 USB Series, K Family) | — |
| Temperature Grade | Industrial | — |
| Packaging | Tray | Tray |
| Program Memory Type | FLASH | — |
| RISC Architecture | Yes | — |
| Core Processor | — | ARM Cortex-M4 |
| Peripherals | — | ADC, DAC, PWM, POR, WDT, DMA, CAN, UART, SPI, I2C |
| Number of I/O | — | [DATA_NEEDED: number of GPIO] |
| Operating Temperature | — | -40C to +105C (AEC-Q100 grade, per Arrow data) |
| Qualification | — | Automotive AEC-Q100 (per Arrow product listing) |
| RoHS Status | — | [DATA_NEEDED: RoHS status] |
| Product Family | — | Kinetis K21 (K21D sub-family) |