Yayınlanmış 1 Ocak 2007 | Sürüm v1
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Application of bit-level pipelining to delay insensitive null convention adders

  • 1. ODTU Kampusu, TUBITAK BILTEN, Ankara, Turkey
  • 2. Middle East Tech Univ, Dept Elect & Elect Engn, Ankara, Turkey

Açıklama

In this study, two asynchronous delay insensitive adder topologies in Null Convention Logic [1] style are adopted for bit-level pipelining: The reduced Null Convention Logic Adder [2] and a Null Convention Carry Save Adder. When pipelined at bit-level, early carry generation feature of both adders violate the requirements of delay insensitivity. To solve this problem, new topologies are proposed. Resultant adders maintain both reliable delay insensitive operation and speedup advantages of early carry generation, with O(log n) average completion time for n-bit addition and -as a result of bit-level pipelining- constant throughput against increased bit-length.

Dosyalar

bib-ee6ecc08-46b7-43ae-b63e-3536a05b944c.txt

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