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I need to replace some SRAM (9M and 9K on an Atari Assault PCB; part number: HM62256LP-12
Jameco has a similar Hitachi product but rated at 150ns where my SRAM chips show 120ns.
Will the 30ns difference in speed make any difference?
Recommendations for other vendors are welcome.

Jameco has a similar Hitachi product but rated at 150ns where my SRAM chips show 120ns.
Will the 30ns difference in speed make any difference?
Recommendations for other vendors are welcome.




