DM74LSN datasheet, DM74LSN circuit, DM74LSN data sheet: NSC – Data Selector/Multiplexer,alldatasheet, datasheet, Datasheet search site for. DM74LSN 1-of-8 Line Data Selector/multiplexer. This data selector/ multiplexer contains full on-chip decoding to select the desired data source. M16D. Lead Small Outline Package (SOP), EIAJ TYPE II, mm Wide. DM74LSN. N16E. Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-

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Most of witch were odd brands that are out of business now that they probably got for next to nothing. Hard to imagine how small memory was back then. Can definitely come up with some use for some of this dm74ls151j, expecially the drivers.

I am somewhat of a computer programmer so Microcontrollers seemed the logical place and for one reason or another PICmicro was always the one I knew about even though I never used them before. I managed to identify about half of them and find data sheets and the other half nothing. I don’t think so. I am really friken tired of Laplace transforms, lol. The dice themselves are hermetically sealed with a thin layer of glass on the top surface except on the bonding pads.

Pay no attention to datasheey man behind the curtain! Eventually the aluminum die bond wires could corrode away, but that’s not likely to happen very fast. I can defiantly come up with some use for them if anyone can ID them I like having a large surplus of components Its just It seemed pointless to keep them around not knowing what they were.

Lord knows why the school gave us some of this stuff though or where they got there stock from. I built a PE Drum Synth in the late 70s that used, gasp, two s for storing patterns.

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If any of these are particularly static sensitive they probably are keeshed after 4 years of floating around in a tackle box in the trunk of a car and dozens of hands digging through them looking for specific parts in labs.

【DM74LS150N NSC】Electronic Components In Stock Suppliers in 2018【Price】【Datasheet PDF】USA

The core electronics in the bs consisted of all analog circuit design and analysis with mostly discrete components occasionally op amps and tons of calculus to accomplish what we previously did with simple algebra. Dave, On Mon, 5 Sep Tuesday, September 06, 4: I’d always believed that powering up old equipment once in a while generates enough heat to dry the components out.

Cheers, Howard Winter St. Ah yes, well spotted that man.

Normally I am very good at finding stuff with google and I did find about half of the chips I had but these mostly just came up in long lists of components without any explanation if at all. Many of the chips dataaheet back then are not useful because there are much better faster, lower power, higher capacity, etc.

Although after seeing you in dm74ld151n kilt, maybe it’s not a stick I should be ready to duck. Went to dmm74ls151n private tech college and paid obscene amounts datasneet money as a penance for screwing off to much in HS and not being able to get into a regular University. You or another list member just might be able to use some of them for something useful once you know what they are.

Better than just chucking them out. Someone asked a little while ago about whether chips that old are still viable. On Sep 6,at 4: Now I put this together quickly on a breadboard with approximate value components so I didn’t expect much and if I had any sawtooth output I would of considered it a success. A lot of that stuff gets donated and slowly sits around becoming obsolete until the department moves and decides to throw it out.


DM74LSN datasheet & applicatoin notes – Datasheet Archive

I put together the pulse generator circuit in that datasheet. Maybe it’s something else that is going on. When I was searching for myself I really depended on finding a quite literal match as I really don’t know the logic dm74ls151m the numbering.

Blessed are the Greeks. So now I figure I want to get some projects and practical experience under my belt before I xm74ls151n on for a Masters and yet more calculus and theory. Everything else was analog or computer related in the associate degree. Jinx, On Wed, 07 Sep I don’t think I recognize that appearance. Stuck eight of thoses ‘s on my Kim in order to get some real computting power.

There only admittance test was a 12 min timed IQ test if I recall right. Thanks for all the speedy responses. On 6 Sep at I don’t know how to program PLDs but I don’t think the school even had the means to do it.

On Wed, 7 Sepdigitaladdictions wrote: As it stands now it could just be a mater of putting it together with more exact values and keeping the leads short ect On Sep 5,at 6: Lots of the chips I cant ID don’t have manufacturers and just half half washed off numbers printed sloppy and crocked across them but a few are from big name manufacturers.

I have little knowledge of the Motorola variety preferred catasheet Commodore enhanced version but I believe they were used extensively in bygone days in small micro-computers before PCs became popular http: