MK21DX256AVLK5 Price & Stock
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Manufacturer

Integrated Circuits (ICs) > Embedded - Microcontrollers
IC MCU 32BIT 256KB FLASH 80LQFP
Documents
Datasheet |
MK21DX256AVLK5![]() |
Specifications
Series | Kinetis K20 |
Part Status | Active |
Core Processor | ARM® Cortex®-M4 |
Core Size | 32-Bit |
Speed | 50MHz |
Connectivity | I²C, IrDA, SPI, UART/USART, USB, USB OTG |
Peripherals | DMA, I²S, LVD, POR, PWM, WDT |
Number of I/O | 60 |
Program Memory Size | 256KB (256K x 8) |
Program Memory Type | FLASH |
EEPROM Size | 4K x 8 |
RAM Size | 32K x 8 |
Voltage - Supply (Vcc/Vdd) | 1.71 V ~ 3.6 V |
Data Converters | A/D 20x16b |
Oscillator Type | Internal |
Operating Temperature | -40°C ~ 105°C (TA) |
Package / Case | 80-LQFP |
Supplier Device Package | 80-LQFP (12x12) |

Electronic & Electrical Components > Semiconductors - ICs > Microcontrollers > Microcontrollers (MCU) - 32 Bit
MCU ARM CORTEX-M4 50MHZ LQFP-80
Documents
Datasheet |
MK21DX256AVLK5![]() |
Specifications
Architecture | ARM Cortex-M4 |
CPU Speed | 50MHz |
Program Memory Size | 256KB |
RAM Memory Size | 64KB |
No. of Pins | 80Pins |
MCU Case Style | LQFP |
No. of I/O's | 60I/O's |
Embedded Interface Type | I2C I2S SPI UART USB |
Supply Voltage Min | 1.71V |
Supply Voltage Max | 3.6V |
Packaging | Cut Tape |
Product Range | Kinetis ARM Cortex-M4 Microcontrollers |
Automotive Qualification Standard | - |
MSL | MSL 3 - 168 hours |
SVHC | No SVHC (17-Dec-2015) |
Hide
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP USA Inc. | IC MCU 16BIT 192KB FLASH 64LQFP | 10665 |
|
Inquiry |

Microchip USA
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP Semiconductors | Member of ERAI, GIDEP, & ITAR | ISO 9001, ISO 2001, ISO 14001 & AS9120 Certified ; Tray | 1429 |
|
Inquiry |

EA-chip Industry Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP USA Inc. | KINETIS K21: 50MHZ CORTEX-M4 MCU | 3877 |
|
Inquiry | |
MK21DX256AVLK5 | Rochester Electronics, LLC | IC MCU 32BIT 256KB FLASH 80FQFP | 3033 |
|
Inquiry | |
MK21DX256AVLK5 | Rochester Electronics, LLC | KINETIS K21: 50MHZ CORTEX-M4 MCU | 2522 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP USA Inc. | IC MCU 32BIT 256KB FLASH 80LQFP | 480 |
|
Inquiry |

Dechoele Technology
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP USA Inc. | 9762 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP | 8878 |
|
Inquiry |

Heisener Electronics Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP | IC MCU 32BIT 256KB FLASH 80LQFP Embedded - Microcontrollers
|
9504 |
|
Buy |

Chip Source Co.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP USA Inc. | IC MCU 32BIT 256KB FLASH 80LQFP | 275396 |
|
Inquiry |

Weyland Electronics Group Pte. Ltd.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP Semiconductors | MCU (MCU/MPU/SOC) MCU (MCU/MPU/SOC)
|
1415 |
|
Buy |

ICSOSO Electronics Company Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP Semiconductors | Kinetis K21: 50MHz Cortex-M4 MCU, 320KB Flash, 32KB SRAM, Full-Speed USB, Anti-tamper, 80-LQFP | 9351 |
|
Inquiry |

Shenzhen Dasenic Electronic Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP USA Inc. | IC MCU 32BIT 256KB FLASH 80FQFP Integrated Circuits (ICs)>Embedded - Microcontrollers
|
5760 |
|
Buy |

Hotenda Technology
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | Freescale Semiconductor, Inc. | ARM?? Cortex??-M4 Kinetis K20 Microcontroller IC 32-Bit 50MHz 256KB (256K x 8) FLASH 80-LQFP (12x12) | 2035 |
|
Inquiry |

Axis Part Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | Freescale Semiconductor - NXP | New Original,COC,ISO9001 | 8500 |
|
Inquiry | |
MK21DX256AVLK5 | Freescale Semiconductor | New Original,COC,ISO9001 | 8500 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP Semiconductors / Freescale | IC MCU 32BIT 256KB FLASH 80LQFP Embedded - Microcontrollers
|
In-Stock |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP USA Inc. | DC:Active ; - | 625 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP USA Inc. | IC MCU 32BIT 256KB FLASH 80FQFP | 1920 |
|
Inquiry | |
MK21DX256AVLK5 | NXP USA Inc. | KINETIS K21: 50MHZ CORTEX-M4 MCU | 2091 |
|
Inquiry |

Fmall Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP USA Inc. | IC MCU 32BIT 256KB FLASH 80FQFP | 26010 |
|
Inquiry |

Lanka Micro Electronic Co.,Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP USA Inc. | IC MCU 32BIT 256KB FLASH 80FQFP | 480 |
|
Buy |

PNEDA Technology Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP | 11991 |
|
Inquiry |

ODG (Origin Data Global)
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||
---|---|---|---|---|---|---|---|---|---|
MK21DX256AVLK5 | Freescale Semiconductor | KINETIS K21: 50MHZ CORTEX-M4 MCU | 480 |
|
Buy | ||||
MK21DX256AVLK5 | NXP Semiconductors | IC MCU 32BIT 256KB FLASH 80FQFP | 480 |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | Freescale Semiconductor | KINETIS K21: 50MHZ CORTEX-M4 MCU | 3158 |
|
Inquiry | |
MK21DX256AVLK5 | NXP USA Inc. | IC MCU 32BIT 256KB FLASH 80FQFP | 3023 |
|
Inquiry |

DGT Technology (HK) Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP Semiconductors | IC MCU 32BIT 256KB FLASH 80FQFP | 10000 |
|
Inquiry |

Geefook (Shenzhen) Electronic Co., Ltd.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP Semiconductors | 35000 |
|
Inquiry |

Fly-Wing Technology (HK) Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||
---|---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP USA Inc. | NXP MK21DX256AVLK5 32 Bit Microcontroller, K2 USB Series, ARM Cortex-M4, 50 MHz, 256 KB, 64 KB, 80 Pins, LQFP | 408 |
|
Buy |

KaiLiYuan Electronic Technology (ShenZhen) Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | Freescale Semiconductor | KINETIS K21: 50MHZ CORTEX-M4 MCU ; DC:21+ ; - | 111 |
|
Inquiry | |
MK21DX256AVLK5 | NXP USA Inc. | IC MCU 32BIT 256KB FLASH 80FQFP ; DC:21+ ; 80-FQFP (12x12) | 111 |
|
Inquiry | |
MK21DX256AVLK5 | NXP USA Inc. | IC MCU 32BIT 256KB FLASH 80FQFP ; DC:23+ | 28670 |
|
Inquiry | |
MK21DX256AVLK5 | NXP USA Inc. | KINETIS K21: 50MHZ CORTEX-M4 MCU ; DC:21+ ; - | 125 |
|
Inquiry |

Depu Electronics
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP USA Inc. | IC MCU 32BIT 256KB FLASH 80FQFP | 28670 |
|
Inquiry |

Lingto Electronic Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | Rochester Electronics | DC:24+ ; Original New | 27126 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP Semiconductors | IC MCU 32BIT 256KB FLASH 80FQFP | 3350 |
|
Inquiry |

LIXINC Electronics Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP Semiconductors | Brand new and original/respond online to quote. | 13049 |
|
Inquiry |

Ariat Technology
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP USA Inc. | IC MCU 32BIT 256KB FLASH 80FQFP New Original Stock.
|
2947 |
|
Inquiry |

YIC International Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP USA Inc. | IC MCU 32BIT 256KB FLASH 80FQFP | 748 |
|
Inquiry |

Hong Kong Brave Electronics
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | Freescale Semiconductor | - | 44691 |
|
Inquiry | |
MK21DX256AVLK5 | NXP Semiconductors | - | 49606 |
|
Inquiry | |
MK21DX256AVLK5 | NXP Semiconductors | 80-LQFP | 46572 |
|
Inquiry |

Shenzhen Yuanxinai e-commerce Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP USA Inc. |
|
Inquiry |

Win Source
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||
---|---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP | IC MCU 32BIT 256KB FLASH 80FQFP | 1415 |
|
Buy |

Xinghuan International Trade Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | Freescale Semiconductor | 44691 |
|
Inquiry | ||
MK21DX256AVLK5 | NXP Semiconductors | 46572 |
|
Inquiry |

RX Electronics Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP Semiconductors / Freescale | IC MCU 32BIT 256KB FLASH 80LQFP Embedded - Microcontrollers
|
1140 |
|
Inquiry |

Cytech Systems Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP USA Inc. | Available, Contact us | 1500 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP Semiconductors | MCU 32-bit ARM Cortex M4 RISC 256KB Flash 1.8V/2.5V/3.3V 80-Pin LQFP Tray | 2 |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | FREESCALE | DC:22+ | 50000 |
|
Inquiry |

Shenzhen Shengyu Electronics Tech Limited.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP Semiconductors | IC MCU 32BIT 256KB FLASH 80FQFP | 13290 |
|
Inquiry |

Allelco Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | Freescale Semiconductor, Inc. (NXP Semiconductors) | KINETIS K21: 50MHZ CORTEX-M4 MCU Integrated Circuits (ICs) > Embedded - Microcontrollers
|
4990 |
|
Inquiry | |
MK21DX256AVLK5 | NXP Semiconductors | IC MCU 32BIT 256KB FLASH 80FQFP Integrated Circuits (ICs) > Embedded - Microcontrollers
|
5398 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | freesca | LQFP80 ; DC:14+ | 30 |
|
Inquiry |

GlobalTek Components
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP USA INC. | OEM/CM QUOTES ONLY | NO BROKERS | 557 |
|
Inquiry |

SILITECH Components Inc
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | FREESCALE | OEM/CM In stock | 75 |
|
Inquiry |

He Qing Electronics Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP USA Inc. | ARM? Cortex?-M4 Kinetis K20 Microcontroller IC 32-Bit Single-Core 50MHz 256KB (256K x 8) FLASH 80-FQFP (12x12) ; Tray | 9608 |
|
Inquiry | |
MK21DX256AVLK5 | NXP USA Inc. | KINETIS K21: 50MHZ CORTEX-M4 MCU ; Bulk | 4901 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP Semiconductors | 520 |
|
Inquiry |

Ample Chip
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP Semiconductors | IC MCU 32BIT 256KB FLASH 80FQFP | 9151 |
|
Inquiry |

Unicom Electronics co.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | FREESCALE | shipping today | 4989 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP Semiconductors / Freescale | The parts are in stock | 8100 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | freesca | LQFP80 ; DC:21+ | 30 |
|
Inquiry |

Avnat Group (Asia Pacific) Ltd.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP/¶÷ÖÇÆÖ | 480 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | FREESCALE | in stock Immediately | 260 |
|
Inquiry |

Nexxon, Inc. (USA)
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP USA Inc. | In Stock |
|
Inquiry |

Lvy Electronics
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | 2000 |
|
Inquiry | |||
MK21DX256AVLK5 | NXP USA Inc. | 2000 |
|
Inquiry |

IC Components Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP Semiconductors / Freescale | NXP QFP80 | 3000 |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP / Freescale | ARM Microcontrollers - MCU MK21DX256AVLK5/LQFP80///TRAY MULTIPLE DP BAKEABLE | in stock |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | freesca | We exclusively sell to OEMs, ODMs and CMs/EMS. Thank you. | 2300 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | FREESCA | DC:18+ | 5000 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5
sku #: MK21DX256AVLK5
|
NXP USA INC. | 2021 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | NXP Semiconductors | OEM/CM ONLY | 568 |
|
Inquiry |

Farnell element14
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5
sku #: 2421802
|
NXP Semiconductors | NXP Semiconductors Semiconductors - Mcu, ARM Cortex-M4, 50Mhz, Lqfp-80 - Mk21Dx256Avlk5 |NXP Semiconductors Semiconductors MK21DX256AVLK5 | out of stock |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
MK21DX256AVLK5 | FREESCA | DC:18+ | 35000 |
|
Inquiry |
See Also:
MK21DX256VLK5
MK21DX256AVMC5
MK21DX128AVLK5
MK21DX256AVMC5R
MK21DX256VMC5
MK21DX128VLK5
MK21DN512VLK5
MK21DN512AVLK5
MK21DX128AVMC5