Comparison of restoring and nonrestoring cellular-array dividers

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Comparison of restoring and nonrestoring cellular-array dividers

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© The Institution of Electrical Engineers
Published

Recent letters have described restoring and nonrestoring cellular-array dividers. It has been implied that nonrestoring division is the less complex and faster technique. Here, a comparison is made which shows that restoring division can use a simpler cell, is marginally faster than nonrestoring division and has the added advantage that the true remainder is available.

Inspec keywords: dividing circuits; cellular arrays

Other keywords: restoring cellular array divider; nonrestoring cellular array divider

Subjects: Analogue circuits; Other digital storage

References

    1. 1)
      • I. Flores . (1963) , The logic of computer arithmetic.
    2. 2)
      • K.J. Dean . Binary division using a data-dependent iterative array. Electron. Lett. , 283 - 284
    3. 3)
      • J.C. Hoffmann , B. Lacaze , P. Csillag . Iterative logical network for parallel multiplication. Electron. Lett.
    4. 4)
      • K.J. Dean . Cellular arrays for binary division. Proc. IEE. , 917 - 920
    5. 5)
      • J.C. Majithia . Nonrestoring binary division using a cellular array. Electron. Lett. , 303 - 304
    6. 6)
      • Hont, J.: `Cellular arrays for fast multiplication and division', 1970, B.E. thesis, Monash University, Melbourne.
http://iet.metastore.ingenta.com/content/journals/10.1049/el_19710114
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