Research Article

Post-CTS Delay Insertion

Table 4

Clock period optimization with respect to the maximum possible improvement.

Circuit infoClock period with total delay buffering 5% TzsNClock period with total delay buffering 10% TzsN
Circuit [2] Improvement Proposed Improvement [2] Improvement Proposed Improvement

s1196 17.36 34% 14.24 66% 16.32 45% 12.16 86%
s1423 87.59 31% 82.98 62% 82.98 62% 77.40 100%
s1488 30.59 50% 29.09 97% 29.09 97% 29.00 100%
s6669 122.17 34% 115.74 68% 115.74 68% 109.80 100%
s9234 299.41 7% 295.62 13% 295.62 13% 288.04 27%
s13207 81.32 15% 77.04 30% 77.04 30% 68.48 60%
s15850 110.20 18% 104.4 36% 104.40 36% 92.8 72%
s15850.1 77.14 17% 73.08 34% 73.08 34% 65.18 67%
s35932 33.99 2% 33.77 3% 33.77 3% 33.35 6%
s38417 65.55 13% 62.10 26% 62.10 26% 55.20 51%
s38584 89.49 16% 84.78 32% 84.78 32% 75.36 65%
Average22%43%41%67%