Paired T-element Design for Multiple-state Acknowledge Dependency
Taylor, R. A., & Reese, R. (2013). Paired T-element Design for Multiple-state Acknowledge Dependency. Electronics Letter. Stevenage, Hertfordshire, UK: Institution of Engineering and Technology. 49(19), 1213-1214. DOI:10.1049/el.2013.1562.
A paired T-element that assists in successfully controlling a dual-rail
delay-insensitive asynchronous circuit system that implements multiple
states containing acknowledge networks, that are interdependent,
is presented. A T-element allows triggering of next-state actions concurrently
with negation of its acknowledge input. However, this introduces
a timing assumption that can cause system failure if it is violated.
With little additional overhead, the paired T-element is designed to
combine the functionality of two standard T-elements and allow adjacent
reads to take place when there are inter-state dependencies. This
component successfully overlaps advantages of the performance
optimisation of the original T-element with the safety of the solution
to this control scenario, making it an important element to be used
in dual-rail delay-insensitive asynchronous circuit systems.