HP 53310A modulation domain analyzer memory upgrade

Dave Wright All Messages By This Member #151140 Hi Folks, ? On the hunt for a source for the RAM chips to expand the memory in my 53310A ? The usual Googling around has yet to yield 4 pieces from a single source. ? Do any of you have 4 that you would be willing to part with..? Candidates are: Cypress CY7C194-25PC, Hitachi HM6708P-25, ?Motorola MCM6208P25, ?or equivalent. ? Located ?Louisville, KY 40206 USA ?
Ozan All Messages By This Member #151142 Hi Dave, I sent you a direct message, please check your inbox. Ozan ? ? On Mon, Mar 31, 2025 at 02:43 PM, Dave Wright wrote: toggle quoted message Show quoted text Hi Folks, ? On the hunt for a source for the RAM chips to expand the memory in my 53310A ? The usual Googling around has yet to yield 4 pieces from a single source. ? Do any of you have 4 that you would be willing to part with..? Candidates are: Cypress CY7C194-25PC, Hitachi HM6708P-25, ?Motorola MCM6208P25, ?or equivalent. ? Located ?Louisville, KY 40206 USA ?
Dave Wright All Messages By This Member #151157 Thanks Ozan..! ? Will report back here on the transition from SOJ to DIP for those that may follow...
Adrian Godwin All Messages By This Member #151164 After a set from Aliexpress that didn't work, I got some from an eBay vendor I've found reliable (his stocks are all old, before the dodgy cloning started).? ? I don't remember exactly what I bought but he has and I'd expect them to be good. ?

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