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LCB Series, ISB Series, SSB Series

Bar receptacles mate with all Bar memory tokens and are designed to mount on the surface or in a corner of an OEM device with only the contact pins extending inside for electrical connection. This minimizes the amount of interior space required. Bar receptacles have been tested to a host of MIL-STD-810 environmental specifications.

"Flat Target" Bar receptacles mate with all Bar memory tokens and are designed to mount on the surface or in a corner of an OEM device with nothing extending inside. Spring probes may be used to make contact with the flat targets on the bottom of the receptacle. This minimizes the amount of interior space required. Bar receptacles have been tested to a host of MIL-STD-810 environmental specifications.

BarLink III Programmer

Bar Receptacle with Flat Targets with Gasket

Bar Receptacle with Flat Targets without Gasket

Bar Receptacle Long Pins w/Gasket

Bar Receptacle Long Pins w/o Gasket

Bar Receptacle Short Pins w/Gasket

Bar Receptacle Short Pins w/o Gasket

CHF Solutions: Medical Disposable Authentication / Limit-Use

The Aquadex FlexFlow is CHF Solution’s answer to safely, and cost-effectively, removing excess fluid in patients. In the development process, CHF Solutions needed a disposable serial memory device to integrate into the Aquadex FlexFlow unit. The requirements for the memory device included:

• An off-the-shelf serial memory device to be included with the disposable circuit
• Ability to withstand sterilization
• Cost-effective device to perform limit-use functions and then be discarded
• High reliability—a key factor for medical devices used on patients

Applications: Authentication, Limit Use, Firmware Updates
Market: Medical

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CIKs - Cryptographic Ignition Keys: Implementation Methodology and Guidance

This white paper explains the purpose and functionality of a Crypto-Ignition-Key, also known as a CIK. The white paper also discusses the benefits of using a CIK, including how a CIK can be used to increase the security of a communications device. It also provides detail on how to integrate a CIK into an embedded design.

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This documents summarizes our commitment to using minerals that are "conflict free". To receive a copy of our latest CMRT for Datakey products please contact the Datakey Customer Care Team.

The Datakey video compares the amount of force it takes to make a series of SD cards non-functional. Three different brands of SD cards are compared, SanDisk, Samsung and Delkin Devices. Then a Datakey DFX RUGGEDrive memory token is put through the same test. The DFX memory token is functionally equivalent to an SD card, it simply comes in the more robust form factor.

This is the PDF version of the tri-fold Datakey brochure that provides an overview of the Datakey line of rugged portable memory products.

Delta Computer Systems: Secure Feature Enable/Update and Configuration Transfer

Delta Computer Systems manufactures advanced motion controllers. When designing the RMC200, a controller capable of controlling up to 32 axes, they wanted a flexible design that would include a secure “feature key” that would:

• Securely store the number of control loops and features purchased
• Allow customers to update the controller in the field
• Prevent the stored configuration data from being altered or duplicated
• Allow configuration data to be transferred to a spare controller

Applications: Feature Enable/Update, Configuration Transfer
Market: Industrial

Download PDF

The DFX PC Adapter provides a convenient way to read data from or write data to DFX RUGGEDrive™ memory tokens using a PC. The adapter plugs into USB type A ports. When a DFX token is then inserted, it appears to the computer as a USB Mass Storage device (i.e. a USB flash drive). No special drivers should be needed.

DFX PC Adapters, including the Read-Only DFX PC Adapter, had a Bill of Materials (BOM) error that resulted in two components being misplaced. Adapters purchased from April 2014 through February 2021 are impacted.

Datakey DFX memory tokens deliver SD card functionality in a more robust and secure form factor than consumer and industrial SD cards. Electrically, the tokens provide a standard SD interface, including SPI mode for embedded applications.

Datakey DFX-I memory tokens deliver SD card functionality in a more robust and secure form factor than consumer and industrial SD cards. As part of the Industrial RUGGEDrive™ line, DFX-I memory tokens feature SD memory with a fixed/controlled BOM and industrial temperature operation. DFX-I tokens feature MLC NAND flash, where DFX-IS tokens feature SLC NAND flash.

Information and guidelines for developing with the Datakey DFX16GB RUGGEDrive memory token with SD card functionality.

Information and guidelines for developing with the Datakey DFX16GB-I RUGGEDrive memory token with SD card functionality.

Information and guidelines for developing with the Datakey DFX1GB-IS RUGGEDrive memory token with SD card functionality.

Information and guidelines for developing with the Datakey DFX32GB RUGGEDrive memory token with SD card functionality.

Information and guidelines for developing with the Datakey DFX4GB RUGGEDrive memory token with SD card functionality.

Information and guidelines for developing with the Datakey DFX4GB-I RUGGEDrive memory token with SD card functionality.

Information and guidelines for developing with the Datakey DFX64GB RUGGEDrive memory token with SD card functionality.

Information and guidelines for developing with the Datakey DFX64GB-I RUGGEDrive memory token with SD card functionality.

Information and guidelines for developing with the Datakey DFX8GB RUGGEDrive memory token with SD card functionality.

Information and guidelines for developing with the Datakey DFX8GB-I RUGGEDrive memory token with SD card functionality.

Digi-Star: Ag Feed Recipe Upload and Data Logging/Transfer

Digi-Star, a manufacturer of feed management and other solutions for the agriculture industry, required a portable memory device that could be used to upload feed mixing information to their feed weighing system. It would also be used to transfer logged data of completed recipes back to a PC. The portable memory system needed to be:

• Easy for the farmer to use
• Rugged enough to survive in the harsh feed-lot environment
• Easily integrated, reducing R&D costs and speeding time-to-market
• Long-term product availability

Applications: Parameter Upload and Data Logging/Transfer
Market: Agriculture

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The DK series of memory keys provides an ultra-rugged, key-shaped, portable memory device for data storage/transport. The key can also be used as a re-writable credential. Each key contains an EEPROM with a Microwire serial interface and 1Kb, 4Kb, or 16Kb of non-volatile memory.

LCX Series, ISX Series, IIX Series, IEX Series, SSX Series, SFX Series, NFX Series

Gasboy: Smart Credential for Fleet Unattended Fueling

Gasboy International, a division of Gilbarco, is the world’s largest manufacturer of fleet fuel dispensers. Their unattended fueling dispenser required a rugged credential that would:

• Identify users granting access to dispense fuel
• Log fuel usage and mileage data
• Be custom branded with Gasboy and Fleetkey logos
• Have long-term product availability

Applications: Access Control and Data Logging
Market: Commercial

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Greentronics: Robust Data Logging for Crop Yield Data

Greentronics manufactures RiteYield a device that captures weight information as it is harvested. This yield data is combined with GPS data that is logged for later analysis. Greentronics liked that SD cards support an SPI interface, but were concerned about how the delicate SD socket would hold up in harsh ag environment. Instead they opted for a Datakey RUGGEDrive solution that provided:

• SD card functionality (with SPI)
• A rugged IP65-rated receptacle
• A simple adapter for connection to PCs

Applications: Data Logging/Transfer
Market: Agriculture

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How to Interface a USB Flash Drive to a Microcontroller

Although USB flash drives are easy to use, designing a microcontroller-based embedded system that supports a removable USB flash drive can be a challenging task. This white paper gives an overview of USB and highlights several USB host design options that will support the use of a USB flash drive. The paper discusses some of the design considerations for the USB connectors, power supplies and PCB. It is chock-full of links to helpful resources to make sure your microcontroller-based embedded system design will successfully interface to a USB flash drive.

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The "I2C Inteface Specification" povides design guidance on how to integrate a Datakey portable memory product, that contains an I2C EEPROM, into a microcontroller-based embedded system design.

The IAT10.5Kb CryptoAuthentication™ memory token utilizes Microchip’s ATECC608A IC, part of their CryptoAuthentication family of high-security hardware authentication ICs. The IAT10.5Kb memory token takes the ATECC608A’s security features and puts them into a physically robust portable memory device.

The IAT4.5Kb CryptoAuthentication™ memory token utilizes Microchip’s ATSHA204A IC, part of their CryptoAuthentication family of high-security hardware authentication ICs. The IAT4.5Kb memory token takes the ATSHA204A’s security features and puts them into a physically robust portable memory device.

The IAX10.5Kb CryptoAuthentication™ extended length memory token utilizes Microchip’s ATECC608A IC, part of their CryptoAuthentication family of high-security hardware authentication ICs. The IAX10.5Kb memory token takes the ATECC608A’s security features and puts them into a physically robust portable memory device.

The IAX4.5Kb CryptoAuthentication™ extended length memory token utilizes Microchip’s ATSHA204A IC, part of their CryptoAuthentication family of high-security hardware authentication ICs. The IAX4.5Kb memory token takes the ATSHA204A’s security features and puts them into a physically robust portable memory device.

Click to download the contents of the installation CD for Datakey Series III programmers, including the KeyLink III, SlimLink III, BarLink III, KSDLink III and Unitroller III programmers.

The ISB series of Bar memory tokens provides an ultra-rugged portable memory device for data storage/transport. The memory token can also be used as a re-writable credential. Each token contains an EEPROM with an I2C serial interface and 1Kb, 4Kb, 16Kb, 64Kb or 256Kb of non-volatile memory. The tokens feature a writable label and have undergone MIL-STD-810 environmental testing.

The ISK series of memory keys provides an ultra-rugged, key-shaped, portable memory device for data storage/transport. The key can also be used as a re-writable credential. Each key contains an EEPROM with an I2C serial interface and 1Kb, 4Kb, 16Kb, 64Kb or 256Kb of non-volatile memory.

The ISP series of plug memory tokens contain 1 Kb to 256 Kb of non-volatile, serial I2C EEPROM memory. The ISP token features a locking mechanism, making it well-suited for high-vibration applications. It also uses a foldable bail, providing a means of easily inserting and removing the token, while folding flat to allow for a flush mount.

The IST series of SlimLine™ memory tokens provides an ultra-rugged, portable memory device for data storage/transport. The memory token can also be used as a re-writable credential. Each token contains an EEPROM with an I2C serial interface and 1Kb, 4Kb, 16Kb, 64Kb or 256Kb of non-volatile memory. The tokens feature redundant contacts so they can be inserted either side up.

The ISX series of extended length SlimLine™ memory tokens provides an ultra-rugged, portable memory device for data storage/transport. The memory token can also be used as a re-writable credential. Each token contains an EEPROM with an I2C serial interface and 1Kb, 4Kb, 16Kb, 64Kb or 256Kb of non-volatile memory. The tokens feature redundant contacts so they can be inserted either side up.

This product is End of Life.

KC4210, KC4210CC, KC4210L, KC4210LCC

The KC4210 panel-mount key receptacle interfaces with all Datakey serial memory keys. Keys are inserted and rotated approximately one-quarter turn where they make contact and lock into place. The receptacle uses built-in retaining tabs for quick and easy installation – no additional mounting hardware is needed.

The KC4210 panel-mount key receptacle interfaces with all Datakey serial memory keys. Keys are inserted and rotated approximately one-quarter turn where they make contact and lock into place. The receptacle is equipped with green and red LEDs to indicate when it safe for the user to insert or remove a key.

The KC4210PCB board-mount key receptacle interfaces with all Datakey serial memory keys. Keys are inserted and rotated approximately one-quarter turn where they make contact and lock into place. The receptacle utilizes redundant contacts that provide a reliable connection over an operating life of at least 200,000 insertion/removal cycles.

This product is End of Life.

KeyLink III Programmer

KeyLink IIs Programmer

KeyLink IIu Programmer

Keytroller III Programmer

Keytroller IIs Programmer

Keytroller IIu Programmer

KSD Insert Receptacle w/ Rib

KSD Insert Receptacle w/o Rib

The KSD panel-mount receptacle mates with all Datakey Plug memory tokens, including the KSD, ISP and SSP series tokens. The receptacle is designed for high-vibration applications, as the plug token locks into the receptacle with a one-eighth-turn of the token’s lock top. The receptacle is also designed to be flush-mounted, so no part of the receptacle protrudes from the panel. Additionally, the bail/handle of the plug token also folds flat providing for a completely flush-mounted solution, even when mated.

The KSD series of plug memory tokens contain 1 Kb to 4 Kb of non-volatile, serial Microwire EEPROM memory. The KSD token features a locking mechanism, making it well-suited for high-vibration applications. It also uses a foldable bail, providing a means of easily inserting and removing the token, while folding flat to allow for a flush mount.

KSDLink III Programmer

The LCB series of Bar memory tokens provides an ultra-rugged portable memory device for data storage/transport. The memory token can also be used as a re-writable credential. Each token contains an EEPROM with a Microwire serial interface and 1Kb, 4Kb or 16Kb of non-volatile memory. The tokens feature a writable label and have undergone MIL-STD-810 environmental testing.

The LCK series of memory keys provides an ultra-rugged, key-shaped, portable memory device for data storage/transport. The key can also be used as a re-writable credential. Each key contains an EEPROM with a Microwire serial interface and 1Kb, 4Kb or 16Kb of non-volatile memory.

The LCS series of SlimLine™ memory tokens provides an ultra-rugged, portable memory device for data storage/transport. The memory token can also be used as a re-writable credential. Each token contains an EEPROM with a Microwire serial interface and 1Kb, 4Kb or 16Kb of non-volatile memory. The tokens feature redundant contacts so they can be inserted either side up.

The LCX series of extended length SlimLine™ memory tokens provides an ultra-rugged, portable memory device for data storage/transport. The memory token can also be used as a re-writable credential. Each token contains an EEPROM with a Microwire serial interface and 1Kb, 4Kb or 16Kb of non-volatile memory. The tokens feature redundant contacts so they can be inserted either side up.

Mars Drinks: Cashless Payment System for Coffee Vending Machines

Mars Drinks markets their hot beverage products (tea, coffee, hot chocolate) through their KLIX brand vending machines. Wanting to increase marketability and sales of their hot beverages, they decided to incorporate a cashless payment option into their vending machines. They required a portable memory system with:

• A high cycle-life receptacle to support high usage
• A Custom-branded memory key
• Long-term product availability

Applications: Cashless Vending
Market: Commercial

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The "Microwire Inteface Specification" povides design guidance on how to integrate a Datakey portable memory product, that contains a Microwire EEPROM, into a microcontroller-based embedded system design.

The 2Gbit NAND flash in NFX Managed-Memory and NFX-MSD memory tokens is no longer available. These products are now End of Life. Suggested replacements for the 2Gbit NFX models would be the 4Gbit NFX models.

NFX Interface Programmer

This product is End of Life.

This is the End-of-Life notice for the Datakey Parallel Key product line. Products include the KC16/64PCB and KCUPK receptacles (Keyceptacle products) and PKS-703 reader/writers. The notice includes last-time-buy information.

The memory IC that has been used in the Datakey 8 Mbit serial flash memory keys and tokens has gone obsolete. A replacement IC has been qualified and it is a drop-in replacement. ATEK engineering has updated two specifications in the Datakey SPI Flash Interface Specification document based on this change. See PDF for full details.

DFX RUGGEDrive™ memory tokens provide SD card functionality in a proprietary form factor that is more robust than the standard SD card and microSD card form factors. Internally, the DFX memory tokens use SD memory that is compliant to the SD specification. When the SD memory used in the DFX memory tokens goes end-of-life (EOL), ATEK qualifies a replacement SD memory device and updates our bill of material using our ISO 9001 engineering change order (ECO) process. Such a change recently occurred with the Datakey DFX4GB RUGGEDrive memory tokens. See PDF for full details.

PCN 20220331
31 March 2022
This product change notification (PCN) documents changes being made SST16Kb, SSX16Kb, SSB16Kb and SSP16Kb models of memory tokens. As a result of the ongoing supply chain challenges in the semiconductor industry, ATEK has qualified a second source for the 16 Kbit SPI EEPROM used in these tokens. Because there is no change to form, fit or function of these tokens, there will be no changes made the part numbers of these tokens. Tokens with date codes of 4 – 2 (corresponding to April 2022) and later may use either of the qualified ICs. See the PDF for full details.

UFX RUGGEDrive™ memory tokens provide USB flash drive functionality in a proprietary form factor that is more robust than traditional thumb drive designs that use standard USB connectors. Internally, the UFX memory tokens leverage SD memory that utilizes MLC NAND flash. When the SD memory used in the UFX memory tokens goes end-of-life (EOL), ATEK qualifies a replacement SD memory device and updates our bill of material using our ISO 9001 engineering change order (ECO) process. Such a change recently occurred with the Datakey UFX4GB RUGGEDrive memory tokens. See PDF for full details.

PCN 20220602
02 June 2022
This product change notification (PCN) documents the end of life (EOL) status of the Datakey NFX memory tokens. The EOL notice applies to both the Managed-Memory and Mass Storage Device versions of NFX tokens. The NFX family of tokens was launched in 2006 and is no longer sustainable. The EOL notice applies to standard products, custom products and accessories in the NFX family. See the PDF for full details.


PCN 20220223 Rev B
23 February 2022 (updated 12 July 2022)
This product change notification (PCN) documents changes being made to the DFX PC adapters. The USB controller IC used in DFX PC adapters has unexpectedly gone end-of-life (EOL). As a result, the standard (read/write) and read-only DFX PC adapters are hereby designated with EOL status. These adapters will be replaced with updated models that use a different USB controller IC. Because a new USB controller is being used, some USB features will be different on the new DFX PC adapters. See the PDF for full details.

PCN 20220207
07 February 2022
This product change notification (PCN) documents changes being made to the Industrial DFX family of RUGGEDrive memory tokens. The changes vary somewhat based on model but include: TLC NAND flash being used instead of MLC NAND, new Datakey logo, and the fixed-BOM feature becoming optional. See PDF for full details.


The fixed-BOM DFX4GB-I memory tokens, part numbers 611-0223-000A through 611-0223-008A are now end of life (EOL). The obsolescence of the internal SD memory has forced the change. The replacement part numbers are 611-0223-010A through 611-0223-018A. See PDF for full details.

PCN 20220204 Rev B
04 February 2022 (Updated 12 July 2022)
This product change notification (PCN) documents changes being made to the UFX family of RUGGEDrive memory tokens. The USB controller IC used in UFX RUGGEDrive memory tokens has unexpectedly gone end-of-life (EOL). As a result, all UFX tokens are hereby designated with EOL status. The line is being replaced by the UFX-I line, also known as the Industrial UFX line. Because a new USB controller is being used, some USB features will be different on the new UFX-I tokens. Other changes are also being introduced. See the PDF for full details.


Datakey SlimLine™ board-mount receptacles are now shipping in a new plastic tray that has been redesigned for improved use with pick-and-place machines. This Product Change Notification outlines the changes.

Datakey SlimLine™ panel­‐mount receptacles that were formerly shipped in clear plastic trays will now be shipped in a corrugated box, with up to 25 receptacles shipping per box. This Product Change Notification outlines the changes.

This product is End of Life.

KSD Series, ISP Series, IIP Series, SSP Series

Portable Memory Choices

This white paper examines the pros and cons of various portable memory options available to embedded system designers, including: consumer memory devices (e.g. USB flash drives and SD cards)--including "industrial" versions (e.g. industrial SD cards and CompactFlash cards), as well as OEM portable memory systems.

Read More

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