Complex Programmable Logic Device

====== References ======

  * ICE Shared Construction Analysis SCA
    * 9612-522 (Lattice ispLSI1032E CPLD): http://smithsonianchips.si.edu/ice/cd/9612_522.pdf
    * 9712-568 (Xilinx XC9536 CPLD): http://smithsonianchips.si.edu/ice/cd/9712_568.pdf
    * 9712-573 (Lattice ispLSI2032-180L CPLD): http://smithsonianchips.si.edu/ice/cd/9712_573.pdf
    * 9702-526 (AMD MACH5 512 Complex Programmable Logic Device): http://smithsonianchips.si.edu/ice/cd/9702_526.pdf