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PCB Fabrication
24 February 2009
Author: Giorgos Lazaridis
Semiconductor package families



Integrated circuits package family tree

Integrated circuits themselves are very small. Actually so small, that working with them would be very difficult. For this reason, they are placed into packages. These packages will carry the pins that will communicate with the outer world. This makes them more manageable.

There are different kind of packages for different applications according to the needs. One can choose the type of package for a chip according to the size, durability, vibrations, temperature and more parameters. The following drawing contain the family tree for the integrated circuits.



Integrated circuits packaging family tree



Small Outline Plastic Packages (SOIC)
  • 8 Lead Narrow Body Small Outline Plastic Package
  • 8 Lead Narrow Body Small Outline Exposed Pad Plastic Package
  • 8 Lead Narrow Body Small Outline Exposed Pad Plastic Package
  • 8 Lead Narrow Body Small Outline Exposed Pad Plastic Package
  • Small Outline Exposed Pad Plastic Packages (EPSOIC)
  • 14 Lead Narrow Body Small Outline Plastic Package  
  • 16 Lead Narrow Body Small Outline Plastic Package  
  • 16 Lead Small Outline Plastic Package (200 Mil)
  • 16 Lead Wide Body Small Outline Plastic Package  
  • 18 Lead Wide Body Small Outline Plastic Package
  • 20 Lead Wide Body Small Outline Plastic Package
  • 24 Lead Small Outline Plastic Package (200 Mil)
  • 24 Lead Wide Body Small Outline Plastic Package
  • 28 Lead Wide Body Small Outline Plastic Package
  • 28 Lead Small Outline Plastic Package (300 Mil)
  • 28 Lead Wide Body Small Outline Exposed Pad Plastic Packages (EPSOIC)
  • SO Small Outline Package Family



    • Quarter Size Outline Packages (QSOP)
  • 16 Lead Quarter Size Outline Plastic Packages
  • 20 Lead Quarter Size Outline Plastic Packages
  • 24 Lead Quarter Size Outline Plastic Packages
  • 28 Lead Quarter Size Outline Plastic Packages
  • QSOP 0.150" Narrow Body Package



    • Thin Shrink Small Outline Plastic Packages (TSSOP)
  • 8 Lead Thin Shrink Narrow Body Small Outline Plastic Package
  • 14 Lead Thin Shrink Small Outline Plastic Package
  • 16 Lead Thin Shrink Small Outline Plastic Package
  • 20 Lead Thin Shrink Small Outline Plastic Package
  • 24 Lead Thin Shrink Small Outline Plastic Package
  • 24 Lead Thin Shrink Small Outline Plastic Package
  • 28 Lead Thin Shrink Small Outline Plastic Package
  • 28 Lead Thin Shrink Small Outline Exposed Pad Plastic Package
  • 28 Lead Thin Shrink Small Outline Exposed Pad Plastic Package
  • 38 Lead Thin Shrink Small Outline Plastic Package
  • TSSOP Thin-Shrink Small Outline Package Family
  • HTSSOP Heatsink TSSOP Package Family



    • Thin Shrink Small Outline Exposed Pad Plastic Packages (EPTSSOP)
  • 38 Lead Thin Shrink Small Outline Exposed Pad Plastic Package



    • Mini Small Outline Plastic Packages (MSOP)
  • 8 Lead Mini Small Outline Plastic Package
  • 10 Lead Mini Small Outline Plastic Package
  • MSOP Mini SO Package Family








    • Dual Flat No-Lead Plastic Package (DFN)
  • 8 Lead Dual Flat No-Lead Plastic Package
  • 8 Lead Dual Flat No-Lead Plastic Package
  • 8 Lead Dual Flat No-Lead Plastic Package
  • 36 Lead Thin Quad Flat No-Lead Plastic Package
  • 9 Lead Dual Flat No-Lead Plastic Package
  • 10 Lead Dual Flat No-Lead Plastic Package
  • 10 Lead Dual Flat No-Lead Plastic Package
  • 11 Lead Dual Flat No-Lead Plastic Package
  • 12 Lead Dual Flat No-Lead Plastic Package
  • 12 Lead Dual Flat No-Lead Plastic Package
  • 12 Lead Dual Flat No-Lead Plastic Package
  • 20 Lead Dual Flat No-Lead Plastic Package
  • Dual Flat No-Lead (DFN) Package Family



    • Optical Dual Flat No-Lead Plastic Package (ODFN)
  • 4 Ld 1.3x1.5 Optical Dual Flat No-Lead (ODFN)
  • 5 Lead Optical Dual Flat No-Lead Plastic Package
  • 6 Lead Optical Dual Flat No-Lead Plastic Package (ODFN)
  • 8 Lead Optical Dual Flat No-Lead Plastic Package (ODFN)
  • 8 Lead Optical Dual Flat No-Lead Plastic Package (ODFN)
  • 8 Lead Optical Dual Flat No-Lead Plastic Package
  • Optical Dual Flat No-Lead Plastic Package (ODFN)



    • Thin Dual Flat No-Lead Plastic Package (TDFN)
  • 6 Lead Thin Dual Flat No-Lead Plastic Package (TDFN)
  • 8 Lead Thin Dual Flat No-lead Plastic Package (TDFN) with E-PAD
  • 8 Lead Thin Dual Flat No-lead Plastic Package (TDFN) with E-PAD
  • 8 Lead Thin Dual Flat No-Lead Plastic Package
  • 8 Lead Thin Dual Flat No-lead Plastic Package
  • 8 Lead Thin Dual Flat No-Lead Plastic Package
  • 8 Lead Thin Dual Flat No-Lead Plastic Package
  • 8 Lead Thin Dual Flat No-Lead Plastic Package (TDFN)
  • 8 Lead Thin Dual Flat No-Lead Plastic Package (TDFN)
  • 8 Lead Thin Dual Flat No-Lead Plastic Package
  • 10 Lead Thin Dual Flat No-Lead Plastic Package with E-pad (TDFN)
  • 10 Lead Thin Dual Flat No-Lead Plastic Package
  • 10 Lead Thin Dual Flat No-Lead Plastic Package
  • 10 Lead Thin Dual Flat No-Lead Plastic Package
  • 12 Lead Thin Dual Flat No-Lead Plastic Package
  • 16 Lead Thin Dual Flat No-Lead Plastic Package
  • 18 Lead Thin Dual Flat No-Lead Plastic Package (TDFN)





    • Relative pages
  • The SCR (Silicon Control Rectifiers) theory
  • The TRIAC theory
  • Basic transistor circuits
  • 555 theory of operation
  • The transistor theory of operation
  • 555 timer basic circuits
  • Learn how RC Servos work
  • 4000 series IC pinouts
  • 74 Series IC Pinouts
  • Op-Amp IC Pinouts
  • Opto-isolator IC Pinouts







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