MK21DX256AVLK5 vs MK22DX128VLK5557 Comparison

Detailed side-by-side comparison of MK21DX256AVLK5 by NXP Semiconductors and MK22DX128VLK5557 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
MK21DX256AVLK5 MK21DX256AVLK5 - 50MHz Cortex-M4 MCU 256KB Flash | NXP

MK21DX256AVLK5 - 50MHz Cortex-M4 MCU 256KB Flash | NXP

MK21DX256AVLK5 ✓ Active
NXP Semiconductors
MK22DX128VLK5557 MK22DX128VLK5557 - 50MHz Cortex-M4 MCU, 128KB Flash | NXP

MK22DX128VLK5557 - 50MHz Cortex-M4 MCU, 128KB Flash | NXP

MK22DX128VLK5557 ✓ Active

Specification Comparison

Parameter MK21DX256AVLK5 MK22DX128VLK5557
Brand NXP Semiconductors NXP Semiconductors
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $11.00 $1.71
Core ARM Cortex-M4 —
Core Size 32-bit —
Maximum Clock Frequency 50 MHz —
Flash Memory 256 KB —
SRAM 64 KB —
Supply Voltage 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 USB 2.0 Full-Speed Device/Host/OTG
Security Features Hardware encryption and tamper detection (DryIce) —
Series Kinetis K2x (K2 USB Series, K Family) Kinetis K20
Temperature Grade Industrial —
Packaging Tray —
Program Memory Type FLASH —
RISC Architecture Yes —
Core Architecture — ARM Cortex-M4
Core Count — Single-core 32-bit
Maximum CPU Frequency — 50 MHz
Program Memory (Flash) — 128 KB (128K x 8)
Operating Supply Voltage — 1.71 V to 3.6 V
GPIO Count — 56 I/O lines
ADC — 12-bit / 16-bit channels (per family)
Communication Interfaces — CAN, I2C, SPI, UART
DMA — 16 channels
AES Hardware — Hardware AES encryption accelerator
RoHS Status — Compliant

Datasheets & Resources

Browse All Products Create BOM Request Quote