Quartus II Settings File Reference Manual - Altera

Chapter 4: Analysis & Synthesis Assignments 4–115
MAX_FANOUT
MAX_FANOUT
Type
Directs the Compiler to control the number of destinations the specified node feeds so
the fan-out count does not exceed the value specified as the maximum number of fanout
allowed from the node.
You can use this option to reduce the load of critical signals, which improves
performance.
This option is ignored if it is applied to anything other than a register or a logic cell
buffer, or a design entity that contains registers or logic cell buffers.
Integer
Device Support
This setting can be used in projects targeting the following device families:
■ Arria GX
■ Arria II GX
■ Arria II GZ
■ Arria V
■ Cyclone
■ Cyclone II
■ Cyclone III
■ Cyclone III LS
■ Cyclone IV E
■ Cyclone IV GX
■ Cyclone V
■ HardCopy II
■ HardCopy III
■ HardCopy IV
■ MAX II
■ MAX V
■ Stratix
■ Stratix GX
■ Stratix II
■ Stratix II GX
■ Stratix III
■ Stratix IV
■ Stratix V
June 2012 Altera Corporation Quartus Settings File
Reference Manual