74LS643N

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: 74LS643N

Find stocking distributors and other suppliers of 74LS643N 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 74LS643N suppliers.

Register Today

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

Statistics

Total Quantity
51
Line Items
2
Suppliers listing this part
2
Countries/regions where listing suppliers exist
2
Most Recent Upload
10/27/2025

Sponsored Live Part Search

Part Number: 74LS643N

Part Number Country/Region Suppliers Line Items Total Qty
74LS643N US 1 1 26
74LS643N CA 1 1 25

Other Parts

Part Number Countries/Regions Suppliers Line Items Total Qty
74LS645N 12 44 75 14,523
74LS640N 12 36 49 11,194
74LS645-1N 7 27 40 4,894
74LS641N 8 24 31 7,413
74LS640 11 17 18 7,257
74LS642N 7 15 15 11,110
74LS640-1N 4 14 17 559
74LS643 4 5 5 408
74LS643J 1 1 1 10
74LS643DW 1 1 2 74

Possible Component Manufacturers*

Benchmarq Microelectronics (Unitrode) (TI - Power)
Freescale Semiconductor (NXP)
CTS Corporation
GrayChip (Texas Instruments)
Power Trends (TI - Power)
Thesys Mikroelektronik (Elex) (TI)

* 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.

Request a Free Trial Membership to contact suppliers for part number 74LS643N

Page Created: 10/27/2025