Accurate product lifetime predictions based on device-level measurements

Product level lifetime margins, determined by HCI and BTI, are shrinking with scaling. We developed highly accurate device-level HCI degradation models that, together with known BTI models, are able to accurately predict frequency degradation of a ring oscillator. We show that despite substantial relief from HCI damage in balanced switching circuits, HCI degradation still accounts for 40-50% of frequency degradation for a 10-year product life.