MK21DX256AVLK5 The Freescale Semiconductor MK21DX256AVLK5 is a 50MHz ARM Cortex-M4 microcontroller. It offers 256KB of flash memory and 32KB of SRAM.
Mfr Part #:

MK21DX256AVLK5

Available from 1 distributors
Mfr Name: Freescale Semiconductor
Freescale Semiconductor
The Freescale Semiconductor MK21DX256AVLK5 is a 50MHz ARM Cortex-M4 microcontroller. It offers 256KB of flash memory and 32KB of SRAM.
Total Stock: 2,030 pcs
$ Price Range: $6.40

MK21DX256AVLK5 Available from 1 distributor

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Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
2,030 pcs
2030 pcs On Request 1 On Request On Request 24+ On Request On Request

MK21DX256AVLK5 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Core Processor
Frequency
Mounting Type
Number of I/O
Operating Temperature
Operating Voltage
Storage Temperature
Tape & Reel
USB

MK21DX256AVLK5 Description

Short technical summary and product information.

The Freescale Semiconductor MK21DX256AVLK5 is an ARM Cortex-M4 based microcontroller operating at up to 50MHz. This device is optimized for cost-sensitive applications requiring low-power, USB connectivity, and processing efficiency.

 

Key features include 256KB of program flash memory and 32KB of SRAM. It supports a voltage range of 1.71V to 3.6V and operates within an ambient temperature range of -40 to 105°C. The microcontroller includes a 16-channel DMA controller, hardware CRC module, and supports various encryption algorithms.

 

This microcontroller is housed in an 80-QFP package and is designed for surface mount applications. It offers multiple low-power modes, down to 189 μA/MHz in run mode and 3.1 μA in static mode with a 6 μs wakeup time.

 

The Kinetis K21 product family is suitable for applications such as Electronic Point of Sales, offering extensive tamper protection features.

MK21DX256AVLK5 Quick Information

Product Type: Microcontroller
Canonical Name: MK21DX256AVLK5 ARM Cortex-M4 Microcontroller
Subcategory: ARM Cortex-M4

MK21DX256AVLK5 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

MK21DX256AVLK5 Estimated Pricing

Qty Low High
1+ $6.40 $6.40

Estimated market price range - modelled values for guidance only, not live distributor offers.

MK21DX256AVLK5 Features

  • 50MHz ARM Cortex-M4 core with DSP.
  • 256KB program flash memory.
  • 32KB SRAM.
  • Wide operating voltage range.
  • Low power consumption modes.

MK21DX256AVLK5 Applications

  • Suitable for cost-sensitive applications.
  • Ideal for Electronic Point of Sales.
  • Offers extensive tamper protection.
  • Provides USB connectivity.

MK21DX256AVLK5 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the MK21DX256AVLK5?

The operating voltage range is 1.71 to 3.6 V.

What is the operating temperature range for the MK21DX256AVLK5?

The operating temperature range is -40 to 105°C.

What package type is the MK21DX256AVLK5 available in?

The MK21DX256AVLK5 is available in an 80-QFP package.

What is the flash memory size of the MK21DX256AVLK5?

The MK21DX256AVLK5 has 256 KB of program flash memory.

What is the SRAM size of the MK21DX256AVLK5?

The MK21DX256AVLK5 has 32 KB of SRAM.

Does the MK21DX256AVLK5 support DSP instructions?

Yes, the MK21DX256AVLK5 supports DSP instructions.

What USB standard does the MK21DX256AVLK5 support?

The MK21DX256AVLK5 supports USB LS/FS OTG 2.0.

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