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wanted two mk48s74 -20ns

Posted: 06 Mar 2022 17:33
by frank.lukas
looking for two pieces mk48s74 -20ns

Re: wanted two mk48s74 -20ns

Posted: 07 Mar 2022 13:51
by Steve
Hi Frank,

I wasn't sure what these were so I did some 'googling' and actually found on this forum people discussing possible replacements for this chip to be used in a PAK:
https://www.exxosforum.co.uk/forum/viewtopic.php?p=17325

Perhaps this might help you,

Re: wanted two mk48s74 -20ns

Posted: 07 Mar 2022 14:01
by frank.lukas
Do not help ...

MK48S74-20ns -> MK48S80-20ns -> IDT71B74S20Y-20ns

I have -25ns (40Mhz) ones but I need -20ns for a 50Mhz 030 PAK68/3