Designs for self checking flip-flops. Kia, S. M. & Parameswaran, S. IEE Proceedings-Computers and Digital Techniques, 145(2):81-8, 1998. Copyright 1998, IEE 5895725 1350-2387 self checking flip-flops totally self checking TSC edge triggered error propagating flip-flops D flip-flop T flip-flopabstract bibtex The authors introduce two low-cost, modular, totally self checking (TSC), edge triggered and error propagating (code disjoint) flip-flops: one, a D flip-flop used in TSC and strongly fault secure (SFS) synchronous circuits with two-rail codes, the other a T flip-flop, used in a similar way as the D flip-flop but retaining the error as an indicator until the next presetting, to aid error propagation. Thus, the self checking T flip-flop can be used as an error indicator. The self checking D flip-flop is smaller than the duplicate D flip-flop circuitry by 30%. The self checking T flip-flop error indicator is 60% smaller than the pervious error indicator in the literature. These circuits, unlike previously reported circuits, can also detect stuck-at faults in the clock inputs. The authors have also presented TSC/error propagating applications for the above flip-flops: a counter and a shift register
@article{ kia-98,
author = {Kia, Seyed M. and Parameswaran, Sri},
title = {Designs for self checking flip-flops},
journal = {IEE Proceedings-Computers and Digital Techniques},
year = {1998},
volume = {145},
pages = {81-8},
number = {2},
note = {Copyright 1998, IEE 5895725 1350-2387 self checking flip-flops totally
self checking TSC edge triggered error propagating flip-flops D flip-flop
T flip-flop},
abstract = {The authors introduce two low-cost, modular, totally self checking
(TSC), edge triggered and error propagating (code disjoint) flip-flops:
one, a D flip-flop used in TSC and strongly fault secure (SFS) synchronous
circuits with two-rail codes, the other a T flip-flop, used in a
similar way as the D flip-flop but retaining the error as an indicator
until the next presetting, to aid error propagation. Thus, the self
checking T flip-flop can be used as an error indicator. The self
checking D flip-flop is smaller than the duplicate D flip-flop circuitry
by 30%. The self checking T flip-flop error indicator is 60% smaller
than the pervious error indicator in the literature. These circuits,
unlike previously reported circuits, can also detect stuck-at faults
in the clock inputs. The authors have also presented TSC/error propagating
applications for the above flip-flops: a counter and a shift register},
keywords = {automatic testing flip-flops},
pdf = {http://www.cse.unsw.edu.au/~sridevan/index_files/00674968.pdf}
}
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