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Request thread for very old ICs cant find datasheet Reply to Thread. And yes i have tms which i believe have been refurbished with a datashest logo. Embedded Systems and Microcontrollers.
(PDF) 74135 Datasheet download
Apr 4, The ICS I’ve shown are quite skuffy means there are bits chipped off from corners and who seriously wants to counterfeit these kind of IC? The is not so special actually and not particulary powerful but people get nostalgic feelings including me.
A few more obscure kinds in the pipeline One other thing I noticed is that the markings on the Motorola parts I checked, none of them had the logo by the date code: Apr 3, 8. Theres no point hoarding old ICs and asking for moon prices and wait until the epoxy becomes brittle.
As well the mentioned faulty EPROMs i was able to catch up on these before they made way to customer I don’t charge collectors prices so what counts is if the die is genuine aka the IC works.
Yes, my password is: I will study these. Apr 3, 4. Posted by Detonator in forum: Datasheey 2, 3. Your name or email address: Another one SN or with P2 suffix SN Mostly the older IC kinds come from desolate inventories which have been scrapped and sold off, mostly ICs for products no longer manufactured but also all kinds of stockpiles no longer needed.
It’s not even worth low-cost labour not to speak profits a fake IC most likely simply has no die or a too small die for a high power part and there are just a few known occurances such as empty main board cache IC These days it’s often cob for cheap ic.
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datasheet & applicatoin notes – Datasheet Archive
Apr 2, 2. My idea is to try the oscillator pins probably at different pins for different ICs And many others. Apr 3, Here is the datapage. Quote of the day. Cant find datasheet for Posted by Robin Mitchell in forum: Designers should refer to the appropriate data sheet of the same number for guaranteed specification limits. Apr 3, 5. datssheet
Datasheet, PDF – Alldatasheet
Apr 3, 9. Datasheet, PDF, Data sheet, manual, pdf,datenblatt, Electronics, alldatasheet, free, datasheet, Datasheets, data sheet. Datasheet for ICs Posted by smsarmad in forum: Theres not just China I have stopped reordering from china bcz the long waiting basically its like using a credit line its like I need to pay first and it could be several months just for the first sale. Why counterfeit there’s plenty genuine old IC?
NASA report now you’re kidding me i know most of the images easy prey via Google search. Apr 5, 18, 3, I think if any possible, there should be some of these common parts on the market at affordable price, if old inventories exist.
Can’t find an old thread Apr 1, 1. Apr 3, 7.
Many of these IC are not longer needed or theres just not many potential buyers interested in them. S, design, not subject to production testing. Apr 3, 6. Datasheet search engine for Electronic Components and Semiconductors. Posted by ian field in forum: Lower Current Datasheeet, Smaller Footprints: Wouldn’t upload in previous post You May Also Like: Apr 28, 3, Some more posts I put the ICs in a single row each and hope at least a few can become possible to descrbe All silicon chips have some ppm duds over time you get failures if the ICs are not dataxheet fresh most likely there will be more dstasheet.
I plan to ask about several IC here Starting with the TMS I have several etc simple controllers just no type number these are for televisions with OEM house number, anybody who could test these? Ok but there have been and there it has countless different places of IC fabrication often dies are not packed immediately at place of die dataseet and in your pictures there’s a lot variation it’s like you say what you have on hands is all possible variation?
Old Magazine Project, cant find right chip Apr 5,