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Search: Posts Made By: Reactive
Forum: Altair 680 11-08-2016, 09:59 PM
Replies: 12
Views: 1,211,185
Posted By Reactive
ReActiveMicro.com Can Help If Needed

Hey Grant.

I'm still able to help out if needed. Your projects were always .01% better. ;-)

Anyway, order fulfillment (processing, packing, and shipping) is what ReActiveMicro does for hobby...
Forum: PSRAM Area! 01-14-2009, 01:59 AM
Replies: 3
Views: 850
Posted By Reactive
Breadboard area

Yeah, I guess a little Breadboard area in the unused space is a good idea. Can't hurt at least and won't cost any extra.

On a separate topic - I was going through the different modes I'd like to...
Forum: PSRAM Area! 01-06-2009, 03:31 AM
Replies: 3
Views: 850
Posted By Reactive
SD-RAM Project PCB

I'm back!

Think I'm done. Here's what I have so far:

http://www.downloads.reactivemicro.com/Public/Projects/SDRAM/SD-RAM-Project-PCB.jpg

First thing you might notice is everything is...
Forum: PSRAM Area! 12-29-2008, 01:56 PM
Replies: 3
Views: 850
Posted By Reactive
DRAM to SD-RAM Adapter

Well, it's be a while. I've been busy with 'real' (boring) work. A buddy of mine called in mid-September and offered me some holiday money type work. Turns out it may be more of a full time job...
Forum: PSRAM Area! 05-14-2008, 02:16 AM
Replies: 66
Views: 14,858
Posted By Reactive
Hey Guys. Quick note about 100 Pin QFPs -...

Hey Guys.

Quick note about 100 Pin QFPs - ALWAYS clean them after soldering! I had some odd issues that I just couldn't find. Seems some Brakleen (Pep Boys degreasor) and a toothbrush did the...
Forum: PSRAM Area! 05-10-2008, 06:40 PM
Replies: 66
Views: 14,858
Posted By Reactive
Hey Guys. Any headway in the SDRAM project? ...

Hey Guys.

Any headway in the SDRAM project? When I spoke to Grant he hasn't really done anything since he's busy at work on some other CPLD project.

So Glenn... anything?

I was going to...
Forum: PSRAM Area! 05-05-2008, 02:56 AM
Replies: 23
Views: 5,808
Posted By Reactive
Ah, yes. I do keep forgetting that. ;-) I...

Ah, yes. I do keep forgetting that. ;-)

I do see your point with the Slinky. Good call.
Forum: PSRAM Area! 05-04-2008, 09:00 PM
Replies: 23
Views: 5,808
Posted By Reactive
Oh cool. Okay then, that's a start. Of course...

Oh cool. Okay then, that's a start. Of course you'll need the other logic too, but it's a good start.

Going for the Slinky approach first?

What I had envisioned is just a bread board with...
Forum: PSRAM Area! 05-02-2008, 07:01 AM
Replies: 66
Views: 14,858
Posted By Reactive
True. The CPLD for the PSRAM should be able to...

True. The CPLD for the PSRAM should be able to be smaller then for the SDRAM. That being said, most small CPLDs are under $3. I have no idea what actual size we will need though. Maybe you guys...
Forum: PSRAM Area! 05-02-2008, 06:05 AM
Replies: 66
Views: 14,858
Posted By Reactive
Oh geeze! 201s?!?! Now that IS small. I see...

Oh geeze! 201s?!?! Now that IS small. I see I'm going to need a new set of tweezers. ;-)

You may want to change them to 805s. They are small, but at least workable - IF you have a good eye and...
Forum: PSRAM Area! 05-02-2008, 04:31 AM
Replies: 66
Views: 14,858
Posted By Reactive
Yeah, I had been busy the previous couple days...

Yeah, I had been busy the previous couple days and was thinking about things.

Sorry about the length. My head exploded on the screen I guess. ;-)

I promise my next email or two will be less...
Forum: PSRAM Area! 05-02-2008, 04:29 AM
Replies: 66
Views: 14,858
Posted By Reactive
Wow, that is really coming along. What size are...

Wow, that is really coming along. What size are those Caps/Resistors? 805?

That's looking really good!
Forum: PSRAM Area! 05-01-2008, 03:26 PM
Replies: 66
Views: 14,858
Posted By Reactive
Yeah, I was supposed to use Paste but wasn't...

Yeah, I was supposed to use Paste but wasn't going to waste it and my time for a simple test. I just cleaned the balls and copper well and just used a little flux. If that worked then using paste...
Forum: PSRAM Area! 05-01-2008, 03:39 AM
Replies: 66
Views: 14,858
Posted By Reactive
[GLENN: Did you use solder paste?] Nope. Just...

[GLENN: Did you use solder paste?]
Nope. Just heat.

Glenn:
Shoot! Okay, from every angle I look ANY Adapter + PSRAM is going to cost more then the SDRAM. The only 'advantage' to the PSRAM...
Forum: PSRAM Area! 04-29-2008, 08:19 PM
Replies: 66
Views: 14,858
Posted By Reactive
Tried to upload a .PDF. Says "Your file of 56.1...

Tried to upload a .PDF. Says "Your file of 56.1 KB bytes exceeds the forum's limit of 19.5 KB for this filetype."

Boo! Hiss!

I'll email it then. :-(
Forum: PSRAM Area! 04-29-2008, 06:40 PM
Replies: 66
Views: 14,858
Posted By Reactive
Ok, back to the Forums. Glenn: Did you ever...

Ok, back to the Forums.

Glenn: Did you ever pricing on this design: http://www.a2retrosystems.com/images/memory%20project/breakout.png

PS - Can you make that pic a little larger? ;-) What I...
Forum: PSRAM Area! 04-29-2008, 05:50 PM
Replies: 4
Views: 1,860
Posted By Reactive
Wow, that is a pretty neat IC. I thought there...

Wow, that is a pretty neat IC. I thought there was something like that out there but never found it.

Good find!
Forum: PSRAM Area! 04-23-2008, 08:20 PM
Replies: 66
Views: 14,858
Posted By Reactive
Glenn: I can't seem to find a pic of that...

Glenn: I can't seem to find a pic of that header. Would something like this help: http://www.reactivemicro.com/product_info.php?products_id=39
Forum: PSRAM Area! 04-23-2008, 03:11 PM
Replies: 66
Views: 14,858
Posted By Reactive
That would make me wonder too. How's that...

That would make me wonder too. How's that CCElectronx.Com place? I kind of remember them being pretty quick. Only a day or two.

A few of the places I had requested quote from were either super...
Forum: PSRAM Area! 04-23-2008, 09:14 AM
Replies: 23
Views: 5,808
Posted By Reactive
Wow! Very cool! Thanks for that link.

Wow! Very cool! Thanks for that link.
Forum: PSRAM Area! 04-23-2008, 07:38 AM
Replies: 23
Views: 5,808
Posted By Reactive
Glenn: The PCB is small I guess. It's the size...

Glenn: The PCB is small I guess. It's the size of a small Apple II card - about 4" x 3" with an edge connector.

As far as SD or PS RAM, I'm still not done researching our options. I'm going o...
Forum: PSRAM Area! 04-21-2008, 10:53 PM
Replies: 66
Views: 14,858
Posted By Reactive
Glenn: I do have ISE and ispLever. I found ISE...

Glenn: I do have ISE and ispLever. I found ISE totally confusing. ispLever was a little better, but I still found it and Quartus a bit confusing. Probably due to the fact that I haven't really...
Forum: PSRAM Area! 04-21-2008, 10:45 PM
Replies: 23
Views: 5,808
Posted By Reactive
Since I didn't see these other threads till just...

Since I didn't see these other threads till just now...

Grant: Can you email me those WinQ CAD files for the VFBGA Adapter and also produce and email the GERBER files too? I want to take a look...
Forum: PSRAM Area! 04-21-2008, 10:29 PM
Replies: 2
Views: 1,688
Posted By Reactive
The 'woman' is a 20 year old girlfriend of my...

The 'woman' is a 20 year old girlfriend of my buddy. It's an awful recording and her voice isn't any better, but it works for now I guess. :-/
Forum: PSRAM Area! 04-21-2008, 05:12 AM
Replies: 66
Views: 14,858
Posted By Reactive
Glenn: I would tend to agree with the...

Glenn: I would tend to agree with the MT48LC16M8A2 is the way to go. I also think Grant is right about only needing some small logic to address the IC. The SDRAM looks pretty basic too. There's...
Showing results 1 to 25 of 35

 
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