# Analog Devices/Maxim iButton Nist Certificate Download **URL:** \ **Category:** Integrated Circuits (ICs)\ **Tags:** analog-devices-maxim-integrated, compliance\ **Created:** [March 13, 2023, 9:26pm UTC](https://forum.digikey.com/t/analog-devices-maxim-ibutton-nist-certificate-download/29441 "2023-03-13T21:26:43Z")\ **Posts on this page:** 1\ **Page:** 1
**Author:** ![Jeff\_2258](https://avatars.discourse-cdn.com/v4/letter/j/ecb155/32.png) [@Jeff\_2258](https://forum.digikey.com/u/Jeff_2258)\ **Post date:** [March 13, 2023, 9:26pm UTC](https://forum.digikey.com/t/analog-devices-maxim-ibutton-nist-certificate-download/29441/1 "2023-03-13T21:26:43Z")
To download the NIST certification document from [Analog Devices Inc./Maxim Integrated](https://www.digikey.com/en/supplier-centers/analog-devices?_ga=2.188258344.123505572.1678683832-539417635.1672241294&_gac=1.49482514.1677255110.EAIaIQobChMIivGAgMau_QIVAxCtBh0ZLAx2EAQYCCABEgITN_D_BwE), that supports the following DS1921G, DS1922L, DS1922T, DS1922E and DS1923 (Temperature Only Dataloggers) follow these steps: 1. Go click on the link for Thermochron NIST Traceable Certificates: [Thermochron NIST Traceable Certificates](https://www.analog.com/en/products/landing-pages/001/ibutton-certifications/thermochron-nist-traceable-certificates.html) 2. Locate the 64-bit (16 character) serial number (also known as ROM ID or registration number). 3. Enter the serial number to download the document. ** ** **Resource** - Application Note: AN4629 [iButton Data-Logger Calibration and NIST Certificate FAQs - Application Note - Maxim (maximintegrated.com)](https://pdfserv.maximintegrated.com/en/an/AN4629.pdf) > **Applicable Part Numbers** > > | DK Part # | Mfr Part # | Description | > | --- | --- | --- | > | DS1921G-F5#-ND | DS1921G-F5# | IBUTTON THERMOCHRON F5 | > | DS1922L-F5#-ND | DS1922L-F5# | IBUTTON TEMP LOGGER | > | DS1922T-F5#-ND | DS1922T-F5# | IBUTTON TEMP LOGGER | > | DS1923-F5#-ND | DS1923-F5# | IBUTTON TEMP/HUMIDITY LOGGER F5 | > | DS1922E-F5#-ND | DS1922E-F5# | IBUTTON TEMP LOGGER 4KBIT F5 | > | DS1922L-F5#W-ND | DS1922L-F5#W | IBUTTON | > | DS1922L-F5#A22-ND | DS1922L-F5#A22 | IC INTEGRATED CIRCUIT |