Transactions of the Society of Instrument and Control Engineers
Online ISSN : 1883-8189
Print ISSN : 0453-4654
ISSN-L : 0453-4654
Analytical Studies of Warren's Counter for Its Design
Tsutomu WADAAkira SHIMIZUToshiro NORITSUGU
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1979 Volume 15 Issue 1 Pages 109-116

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Abstract

In the previous study, the characteristics of elements required to construct Warren's counter have been made clear. However, the elements having these characteristics had to be chosen by an experimental trial and error. Therefore, these results have not yet been sufficient to design Warren's counter.
In this advanced study, from the viewpoint of predicting the geometries of control flip-flop (FFc) fitted to a given memory flip-flop (FFm), the method of analizing the characteristics of FFc is proposed.
The obtained results can be summarized as follows:
1) If the static and dynamic input characteristics of a given FFm are given, by the proposed analytical method, it is possible to give theoretically the geometry of FFc to be incorporated in a counter having the given FFm. It is also possible to predict theoretically the magnitude and pulse width of an input signal countable by this counter.
2) Using this method for a given FFm, Warren's counter can be designed without an experimental trial and error.

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