Research Article
A Novel Scan Architecture for Low Power Scan-Based Testing
Table 4
Comparison of propagation delay overhead.
| | Proposed scan cell | FLS scan cell |
Partial MUX gating scan cell | NOR gating scan cell | Modified scan cell | Ave. propa. delay (S) | % imp. | Ave. propa. delay (S) | % imp. | Ave. propa. delay (S) | % imp. | Ave. propa. Delay (S) | % imp. | Ave. propa. delay (S) | % imp. |
| SI to shift output (shift delay) | | | | | | | | | | | DI to shift output (capture delay) | | | | | | | | | | | DI to (launch delay) | | | | | | | | | | | CLK to shift output | | | | | | | | | | | CLK to (launch) output | | | | | | | | | | |
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