Welcome to netCOMPONENTS! netCOMPONENTS is a market leader in sourcing services for the worldwide electronic components industry. netCOMPONENTS is the world's premier destination for the sourcing and procurement of electronic components, connecting members (buyers) and suppliers (sellers) in a direct and vendor-neutral environment!

Stock/Availability for: M74HC643B1

Find stocking distributors and other suppliers of M74HC643B1 using netCOMPONENTS. If you are not already a netCOMPONENTS member, request a free trial membership today to search the netCOMPONENTS database of 50 million+ electronic component line items and contact M74HC643B1 suppliers.

Register Today

  • Search 900 Billion+ Electronic Components
  • 3,000+ Suppliers
  • Launched in 1997
Request a Free Trial Membership

Statistics

Total Quantity
3,795
Line Items
9
Suppliers listing this part
9
Countries/regions where listing suppliers exist
8
Most Recent Upload
1/16/2026

Sponsored Live Part Search

Part Number: M74HC643B1

Part Number Country/Region Suppliers Line Items Total Qty
M74HC643B1 US 2 2 428
M74HC643B1 TW 1 1 1,755
M74HC643B1 BE 1 1 968
M74HC643B1 JP 1 1 285
M74HC643B1 FR 1 1 160
M74HC643B1 DE 1 1 144
M74HC643B1 NL 1 1 32
M74HC643B1 SE 1 1 23

Other Parts

Part Number Countries/Regions Suppliers Line Items Total Qty
M74HC640B1- 7 10 11 4,553
M74HC646RM13TR 5 7 7 5,895
M74HC646B1 5 7 7 2,180
M74HC648B1 3 4 4 6,734
M74HC64B1R 2 2 2 1,600
M74HC646B1R 2 2 2 53
M74HC643B1R 2 2 2 764
M74HC643B1N 1 1 1 220
M74HC643BI 1 1 1 57
M74HC641B1 1 1 1 17,852

Possible Component Manufacturers*

SGS Thompson - see ST Microelectronics (ST)
STMicroelectronics (ST)
Inmos Corp (SGS-Thomson) (ST)
TAG Semiconductor (Raytheon)
Renesas
IDT (GigOptix) (ZMD America) (ZMDI) (Renesas)

* This symbol ( ) will appear next to the manufacturer if a datasheet is available for the part. Registered members can click on the datasheet icon to locate the datasheet for the part.


Page Created: 1/16/2026