IC datasheets

Datasheets for electronic components are always endangered, since vendors usually don’t keep them online once a product is EOL. Also see ArchiveBot/Datasheets.
== Sources ==
Bold = Well known
Italic = No longer exists
=== Manufacturers ===
Manufacturer
4D Systems – products
ABLIC – products datasheets
ADDA
Advanced Linear Devices (ALD)
ALPS – products
Amphenol
* Amphenol Aerospace – datasheets
* Amphenol ICC
Ampleon – products
Analog Devices (AD) – products
* Linear Technology (LT)
Angstrem (Ангстрем) – products
API Delevan (Delevan)
Atlas Scientific
B&K Precision – products
Baumer – products
Bel – products
Broadcom – products
Curtis Industries – products
Digilent Inc (Digilent) – documentation
Diodes – products
Espressif – products datasheets
Infineon – products
Intel
KYOCERA – products
* AVX – products
** AB Elektronik – products datasheets
Littelfuse – products
* IXYS – products
* IXYS IC
MaxLinear
MediaTek
Microchip – products
* Atmel
Micron Technology (Micron) – products
* Elpida
Nexperia – products
Nippon Chemi-Con – products
NXP – products
ON Semiconductor (ON Semi) – products
* Fairchild Semiconductor (Fairchild)
Panasonic
Qualcomm – products
Renesas – products
Rubycon – products
Samsung
Seiko Instruments Inc (SII)
SK Hynix – products
Skyworks (Skyworks Solutions Inc)
* AnalogicTech
Sony
STMicroelectronics (STM) – products
Taiwan Alpha (Alpha) – products
TE Connectivity (formerly Tyco Electronics)
Texas Instruments (TI)
Toshiba
TT Electronics – products
uPi Semiconductor (uPi Semi) – products
Vishay – products
Western Digital (WD) – products
=== Distributors ===
Distributor 	Notes
4 Star Electronics 	
Arrow Electronics Inc (Arrow) – products datasheets
* Chip One Stop Inc (Chip One Stop)	Can be enumerated using https://www.arrow.com/en/datasheets/<id>
Avnet Inc (Avnet) – products 	
Chip 1 Exchange 	
Conrad Electronic International GmbH & Co KG (Conrad)
* Rapid Electronics Ltd (Rapid)	
DF Sales Co (DF Sales) 	
Digi-Key Electronics (Digi-Key) 	Links to vendors' websites
Electronics123.com Inc (Electronics123) 	
Enrgtech Ltd (Enrgtech) 	
Euro-Tech Export Ltd (Euro-Tech Export) 	
Future Electronics Inc (Future Electronics) 	
Holdelec SAS (Holdelec) 	
Jameco Electronics (Jameco) 	
LCSC – products 	
Master Electronics 	
Mouser Electronics Inc (Mouser) 	Mix between self-hosted datasheets (modified by Mouser, last page appended to PDF) and external links
Online Components 	
Premier Farnell
* Combined Precision Components (CPC)
* Farnell element14 (Farnell)
* Newark element14 (Newark)	Farnell element14: Self-hosted, uses sequential ids: http://www.farnell.com/datasheets/<id>.pdf
Reichelt Elektronik GmbH & Co KG (Reichelt) 	Self-hosted
RS Components Ltd (RS Components)
* Allied Electronics & Automation (Allied)	RS Components: Self-hosted, random(?) hex ids, sometimes no datasheet at all
Rutronik 	
Swatee Electronics (Swatee) 	
TTI Inc (TTI) 	
Waytek Inc (Waytek) 	
WPG Holdings 	
WT Microelectronics Co Ltd (WT Microelectronics)	
=== Vendors ===
* Arrow
* ECIA
* Mouser
=== Existing archives ===
* http://datasheets.chipdb.org/
* http://www.datasheetcatalog.com/
* http://www.htmldatasheet.com/
* https://archive.org/details/ic_datasheets
* https://www.alldatasheet.com/
* https://www.datasheetarchive.com/
* https://www.datasheetbank.com/
* https://www.datasheets.com/
* https://www.datasheet.live/
== Unsorted list ==
* TE Connectivity (formerly Tyco Electronics)
* Datasheets360