Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

How to combine two Asynchronous SRAM chips

In my new design I need a lot of Asynchronous SRAM- at least 8 MBytes. A single chip SRAM or any DDRs are not acceptable (because of the high-temp requirements). The only way for me is to combine two...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Use Altera Tri-state bridge in SOPC and connect both chips address pins in parallel. Use data pins and all other control pins separately. When You add both chips to the same tri-state bridge in SOPC, go again to the bridge properties and set the address pins to be shared.

You can also connect both chips separate at all, then You'll need two tri-state bridges without any pin sharing.