Xilinx LUT4 equivalent in Altera...how to program delays

[Guru59]

HI,
I am required to change my design in Xilinx to Altera.
Xilinx design uses LUT4_L delays in it sdesign.
what is the equivalent Altera element ?

Thanks

 

[TrickyDicky]

there is the LCELL, but afaik, it is only usable for older (very old) devices.

Using LCELLS, or LUT4 is very very very bad design practice.

 

[Guru59]

Thanks for the suggestion.
Can you let us know what is good practice in such cases when the design is using LUT4 or so on ?

 

[treqer]

Using LCELLS, or LUT4 is very very very bad design practice.

rather the use of any asynchronous delays without constreyn bad practice