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The Design of Dedicated 32-Bit Processors
May/June 1987 (vol. 4 no. 3)
pp. 52-58
Shoji Horiguchi, Nippon Telegraph and Telephone Corp.
Hiroshi Yoshimura, Nippon Telegraph and Telephone Corp.
Mitsuyoshi Nagatani, Nippon Telegraph and Telephone Corp.
Kennosuke Fukami, Nippon Telegraph and Telephone Corp.
NTT has developed two CMOS 32-bit processor VLSI families dedicated to communication systems: DIPS is for on-line informationprocessing, while DEX is for an electronic switching system. The design methodology uses a hierarchical design technique,a common design language and database, and automated layout based on a standard cell approach. Gate density was improved bya factor of 1.3 using a superblock technique. Design for testability is primarily built-in test using a scan path method.
Shoji Horiguchi, Hiroshi Yoshimura, Mitsuyoshi Nagatani, Kennosuke Fukami, "The Design of Dedicated 32-Bit Processors," IEEE Design & Test of Computers, vol. 4, no. 3, pp. 52-58, May-June 1987, doi:10.1109/MDT.1987.295168
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