wanted two mk48s74 -20ns

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frank.lukas
Posts: 660
Joined: Fri Jan 19, 2018 11:52 am

wanted two mk48s74 -20ns

Post by frank.lukas »

looking for two pieces mk48s74 -20ns
Steve
Posts: 2570
Joined: Fri Sep 15, 2017 11:49 am

Re: wanted two mk48s74 -20ns

Post 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,
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frank.lukas
Posts: 660
Joined: Fri Jan 19, 2018 11:52 am

Re: wanted two mk48s74 -20ns

Post 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
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