Multiplier Pipelining

For ProASICPLUS® and Axcelerator® devices, you can specify the number of pipeline stages (1, 2 or 3). However, three pipeline stages increases performance only for high bitwidth. Click the Advanced button in the GUI to access pipelining.

Table 10-108. Pipeline Stages as a Function of WidthB
Pipeline StagesWidthB
—w/ Final Adderw/o Final Adder
1≥2≥5
2≥5≥7
3≥7Not applicable