MK21DX256VMC5 vs MK21DX128VMC5 Comparison

Detailed side-by-side comparison of MK21DX256VMC5 by NXP Semiconductors and MK21DX128VMC5 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
MK21DX256VMC5 MK21DX256VMC5 - 32-Bit 50MHz Cortex-M4 MCU | NXP

MK21DX256VMC5 - 32-Bit 50MHz Cortex-M4 MCU | NXP

MK21DX256VMC5 Unknown
NXP Semiconductors
MK21DX128VMC5 MK21DX128VMC5 - K21 Cortex-M4 50MHz 128KB MCU | NXP

MK21DX128VMC5 - K21 Cortex-M4 50MHz 128KB MCU | NXP

MK21DX128VMC5 ✓ Active

Specification Comparison

Parameter MK21DX256VMC5 MK21DX128VMC5
Brand NXP Semiconductors NXP Semiconductors
Category Microcontrollers Microcontrollers
Lifecycle Status Unknown Active
Stock Status In Stock In Stock
Unit Price (USD) $5.53 $3.75
Processor Architecture 32-bit ARM Cortex-M4 —
Maximum CPU Frequency 50 MHz —
Flash Memory 256 KB 128 KB (128K x 8)
Flash Organization 256K x 8 bit —
Integrated Connectivity USB —
Product Family Kinetis K21 sub-family Kinetis K21
Package 121-pin MAPBGA (8x8) 121-MAPBGA (8x8 mm)
Alternate Package Description 121-LFBGA —
Mounting Type Surface Mount Surface Mount
RAM [DATA_NEEDED: RAM size] —
Operating Voltage [DATA_NEEDED: operating voltage range] —
GPIO Count [DATA_NEEDED: GPIO count] —
Operating Temperature [DATA_NEEDED: operating temperature range] [DATA_NEEDED: operating temperature range]
USB Specification [DATA_NEEDED: USB version and supported operating modes] —
Clock Sources [DATA_NEEDED: internal and external clock specifications] —
ADC [DATA_NEEDED: ADC resolution, channels, and input range] —
UART and Serial Peripherals [DATA_NEEDED: UART, SPI, and I2C peripheral details] —
RoHS [DATA_NEEDED: RoHS status] —
REACH [DATA_NEEDED: REACH status] —
AEC-Q100 [DATA_NEEDED: automotive qualification status] —
Packaging [DATA_NEEDED: tray, tape-and-reel, or other shipping configuration] —
Core Processor — ARM Cortex-M4
Core Size — 32-Bit
Core Count — 1 (Single-Core)
Maximum Clock Frequency — 50 MHz
Supply Voltage — 1.8V / 2.5V / 3.3V
USB — USB device
Security — DryIce tamper detection
Packaging Type — Tray
DSP Instructions — Yes (Cortex-M4 hardware MAC)
Data Bus Width — 32 bit
Manufacturer Status — Original manufacturer new (distributed by Rochester Electronics as authorized aftermarket)
SRAM — [DATA_NEEDED: SRAM size]
Number of I/O — [DATA_NEEDED: GPIO count]

Datasheets & Resources

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