FPGA Mezzanine Card

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FPGA Mezzanine Card (FMC) is an ANSI/VITA standard that defines I/O mezzanine modules with connection to an FPGA or other device with re-configurable I/O capability.[1][2] It specifies a low profile connector and compact board size for compatibility with several industry standard slot card, blade, low profile motherboard, and mezzanine form factors.

The FMC specification defines:[3]

  • I/O mezzanine modules, which connect to carrier cards
  • A high-speed connector family of connectors for I/O mezzanine modules
    • Supporting up to 10 Gbit/s transmission with adaptively equalized I/O
    • Supporting single ended and differential signaling up to 2 Gbit/s
    • Numerous I/O available
  • The electrical connectivity of the I/O mezzanine module high-speed connector
    • Supporting a wide range of signaling standards
    • System configurable I/O functionality
    • FPGA intimacy
  • The mechanical properties of the I/O mezzanine module
    • Minimal size
    • Scalable from low end to high performance applications
    • Conduction and ruggedized support

The FMC specification has two defined sizes: single width (69mm) and double width (139mm). The depth of both is 76.5mm. The FMC mezzanine module uses a high-pin count 400 pin high-speed array connector. A mechanically compatible low pin count connector with 160 pins can also be used with any of the form factors in the standard.

See also[edit]


  1. ^ Devlin, Malachy (1 October 2008). "VITA 57 (FMC) opens the I/O pipe to FPGAs". VITA Technologies. Retrieved 4 June 2012. 
  2. ^ Barker, Dave (25 April 2008). "Introducing the FPGA Mezzanine Card: Emerging VITA 57 (FMC) standard brings modularity to FPGA designs – VITA Technologies". VITA Technologies. Retrieved 4 June 2012. 
  3. ^ "FMC Marketing Alliance". Retrieved 4 June 2012.