Title :
Comments on “Self-Checking Carry-Select Adder Design Based on Two-Rail Encoding” [Dec 07 2696-2705]
Author :
Akbar, M. Amirullah ; Lee, Jeong-A
Author_Institution :
COMPUTER SYSTEM Lab.(Room No.7128) College of Elect&Info Engineering, Department of Computer Engineering, Chosun University, Dong-gu, South Korea, Republic of Korea
Abstract :
We first show that self-checking presented in the above paper (ibid., vol. 54, no. 12, pp. 2696-2705, Dec. 2007) does not work for carry-select adder with input bits higher than 2. Then, we present a correct design and show that the resulting overhead almost doubles.
Keywords :
Adders; Digital arithmetic; Encoding; Fault detection; Logic design; Transistors;
Journal_Title :
Circuits and Systems I: Regular Papers, IEEE Transactions on
DOI :
10.1109/TCSI.2013.2295930
