He just programmed an EEPROM manually. Here, take my like.

Please, don't stop making videos like this, they are solid gold for knowledge seekers.

I fell asleep watching youtube last night and today I woke up to this. I started with cat videos.

I'm a DevOps Engineer, but really started to get into electronics about a year ago to compliment my ham radio knowledge. I have to say your videos are some of the best videos I've seen on digital electronics and you have helped me so much here recently as I've gotten more up to speed. I really enjoy Mr. Carlson's Lab, but you cover modern electronics much more than he does and do just as good of a job with quality, logical progression, professionalism, and clean presentation. Thank you so much. :-)

Can't believe how lucky I am to have found this channel.

You are the Bob Ross of electronics!

You explain things so well that even complete newbies mostly understand what is going on. A rare talent indeed, please keep making more videos like this one.

"The best way to understand these data sheets is to... well to read through them a couple times." I laughed very hard at this. It is so true.

Sir, you are a hero among mortals!

Ben, I can imagine how much time it would take you to make a video like this. I really appreciate your effort to put out these super valuable educational videos. Often I see people with good knowledge who are bad teachers or could not explain things very well. But you are special; you have the knowledge and good at explaining with practical experiments. Thank you.

This was exactly how we toggled in the instructions and addresses on the high school's first computer a PDP-11 (1972). It was a great relief several months later when the keypunch / papertape reader arrived. These series of vids are a national treasure ... great job Ben !

I have a PhD in electronics, and work in a well known top tech company doing this stuff most days. I just wanted to say this is amazing! I love it! I could watch this for hours! I've subscribed! 👌

Your breadboarding is so neat. I wish I was that tidy when I breadboard.

That feeling when you get a notification that Ben Eater has uploaded a new video... You are awesome, Ben! Thank you!

I love that you even explain why the LEDs and Resistors were asymmetrical. Your attention to detail is fantastic, and calms the OCD part of me.

When I was a little kid I was really enthusiastic about electronics but I had no one to teach me and alot of discouragement. I'm really glad to see you doing this to educate anyone who wants to learn. Thank you!!!

Ah, this is such nostalgia for me. I used some UV erasable PROMs to build a simple game back in my school days. The whole compiler/assembler and all programs I made fit nicely into one floppy disc with room to spare. The computer connected to the programming unit had a full megabyte of RAM... Good to see a more in-depth description of this than what I was doing.

So wonderful that you are making these again! Keep it up, so interesting!

Excellent series ! Very well done ! Just a small advice : care must be taken when using RC circuits to generate edge sensitive signals (like clocks and write signals were the rising/falling edges are more important to the target circuits than the levels themselves). In the case or this EEPROM, the datasheet specifies that the falling edge of the /WE signal will latch the address and that its rising edge will latch the data (and I assume start the write operation). In your example, your RC circuit generates a clean and very well defined falling edge, but a very slow curvy rising edge which some circuits may fail to detect as such. In datasheets, you will often find specifications about how quick the falling/rising edge of clock signals should be in order to be recognized.

Other people: I'm going to buy an EEPROM programmer You: I'm going to build an EEPROM programmer Greatly enjoy watching these

Every now and then, KZfaq throws something into my recommend pile of nonsense that is pure platinum. This is the best video on electronics I've seen in years, maybe ever. Your explanations are clear, well placed, and clearly very well prepared. Thank you so much for the time and effort you've put in to share your knowledge.

So calm. Every problem you encounter you proceed to solve without anxiety but with a cool, logical, resolve. Your videos are therapy.

I...LOVE...THIS... I can't think of a more satisfying pastime in this day and age than making your own computer (one sub-system at a time). Just... thank you, sir.

You are an absolute godsend to someone trying to learn electronics at an intuitive level.

It blew my mind that you had all the bridges of exactly right length for the circuit. Good quality.

I have a background in social sciences, and only studied computing in high school (albeit religiously). And I know none of this is easy but you made it look so very very simple. I actually got everything you were explaining. Everything is concise and to the point, and you explain it so well. It's a combination of your calm voice and thoroughness. Very well made!

I know all of these things because I studied them 2 years ago. But I'm watching this because I am so mad at myself for not finding this channel earlier. You explain things so well and in an entertaining way. God I wish I have a time machine.

I am into my 4th semester as an Electrical Engineer and I have a newfound love for your channel. Thank you for all of this man! Can't wait to start building useful circuits for projects.

This is great work Ben, thank you so much - really clear, clearly planned well, excellent resource. It really covers the gap between where I learned upto back in 1988(!) and refreshes, covers the gaps between then and the evolution beyond, etc. Really great stuff.

Creating that teeny tiny down-going pulse with a simple RC Circuit was such a brilliant idea.. I'm totally impressed!

Thank you! what great memories for an engineer who designed digital circuits back in the `1990's . Good learning aid for digital memory circuits. Pull down resistors, timing diagrams, write pulses, fun stuff!

I remember when we learnt this method in combinational logic in the second year of engineering and I'm happy to see people are interested in it! Sir, you've got a subscriber! great explanation

A year's worth of classes in 25 minutes. Thank you so much.

These videos are truly amazing. The amount of time you put into them is crazy. Especially with all of your pre-made jumpers.

Knowing something technical and explaining it to a lay man are two very different things that usually don't come together. You can do that perfectly. You've got one more subscriber that is here to stay. Thanks!

Thank you for this humbling experience on how complicated even a seemingly simple task really is.

Excellent work sir! This is the second time I have watched this and it has sunk in better this time as to what is going on with the chip.

Awesome, just freaking awesome! Educational value through the roof!

- good instructor - that was an excellent explanation of timing chart Parallel EEPROM R/W , addressing - fundamental concepts that never more easily understandable

I'm a final year Electronic Engineering student and this video just entices me so much I love it. Thank you!

No KZfaq channels explains simple topics with practical examples like you do :) Keep going (y)

Good video as usual. Brings back my college memories (no pun intended). Curious how long it takes to make one of these videos. I can imagine a lot of set-up and several takes. These are a model of a good education video.

Your videos have helped explain a number of things that I've never understood or fully understood in electronics, especially as I'm just a bit curious as a hobbyist and not something I do in any professional capacity. I love the fact you demonstrate the bare essentials without microcontrollers (which don't get me wrong, microcontrollers are awesome), but there's just something about seeing things done "manually" that really drives the point across and which really helps understand what's going on behind the scenes and is something I haven't come across in many channels. I never knew you could write to EEPROM's so easily, although when you think about it it certainly makes sense. In short love your work, very unique content and I just wanted to take the time to say thankyou. Watching your videos has given me a lot of "oooooooooh that's how it works" moments and has filled a lot of gaps in my knowledge.

Wow that's actually a great tutorial. I have used EEPROM as a microcontroller peripherial in the past, but never thought about it on the low-level scale you are suggesting. It never came to me that one could actually use it to implement logic. So simple and genius!

Wow, found your video card video. And you tube is playing this one. Impressed.

The xenon flash from a camera(partially) erases EPROMS nicely. I learned that the hard way.

The way you start the video - explaining what each letter means - is wonderful

The word "impressed" doesn't even begin to describe the way i felt. I don't usually write comments but I couldn't help myself in this case. Sir, hats off to you! I enjoyed every single (nano) second. Very through from design to build, neat and detailed. The presentation was very focused, very clear and even myself I understood it. And I think it's for the first time that I watched all the way to the end.

This stuff brings back memories of the 80's. Back then PAY TV came out and so lots of folks tried to make their own decoder. The pay system back then was mainly based upon the suppression of the horizontal sync pulses(HSP's), which lead to the TV losing horizontal sync. The HSP's were however still normal throughout each vertical sync pulse. Typical decoder circuits used a PLL circuit to lock onto these remaining valid HSP's, and then inserted proper HSP's back into the rest of the baseband video signal where the HSP's had been previously suppressed. But that is a lot of components. A lot of components pulls a lot of power, so you need a power supply rather be able to take advantage of one that already exists. So I designed a simple line by line decoder instead. It required 1 MC14066B, 1 MC14538B, 1 LM393, 3 transistors, 3 diodes, and several passive components. Total power consumption was less than 15ma. So it was simply installed into a TV converter between the RF demodulator and the RF modulator, and it used the converters +12v power supply. With it being a line by line decoder, there was no PLL locking delay, and no stabilizing delay. Fun stuff !

Superb content ! This brings back great memories. Electronics is one of man's greatest inventions/discoveries. I remember when Digital really started becoming a thing. & also when UV EPROM's begin replacing PROM's & very clearly when EEPROM's started replacing UV EPROM's, it all seemed like magic, what will they think of next ?!, & here we are, with powerful PC's & the net & all, in the information age.

Yes!!! I got it now.. I have tons of eeproms laying around with cryptic programming instructions that stumped me. It all makes sense to me now. Gonna go bust out the breadboard and some datasheets and give this another try. Thanks a lot.

I'm an electrician just getting into solid state electronics and arduino. This, sir, is perhaps the most helpful video on just about anything ive watched on youtube thus far. Please keep up the good work and continue doing videos like this. As a previous poster said, PURE GOLD

That is how LuTs(look-up tables) in FPGAs and CPLDs work. Nice video!

8:14 address 0 - all ones address 1 - all ones address 2 - all ones address 3 - all ones ben: you might be noticing a pattern here me: what could it be!??

Love your videos. The patience you have in your voice is just what i need. I am recovering from brain damage and lost lots of my knowledge of electronics. Your videos are helping me recover my knowlage and learn new things. Thank you.

I dont have word to express about your explanation that you did by using components rather explaining in board and spending your lot of time to present this appropriately without any compromise. I am thanking you to make me well understand of the EEPROM programing. You are well good teacher since you understood how to teach by which way.

"Yes, I program in binary." Great video. Thank you for being concise.

Finally! could not wait :)

No words can describe how beautiful your explanation is... this is golden, just building a circuit like listening to a soul music... incredible

i'm very impressed,that's a clearly way to show with the breadboard and data sheet and descriptions.

every video from ben is a treat👍😃!

I've loved this whole series so far and the rest of your videos. One thing in particular that I've been able to grasp now is how protons/electrons/atoms/elements become transistors and how transistors become logic gates and then how logic gates become all the other hardware you've explained. But all of that has needed power to latch states. Can you do a video explaining the elemental physics about how ROM latches states without power?

that´s really awesome, sends me back in time and I remembered my informatic school sessions. Now I am very motivated to play around with some TTL´s and EEPROMS on my dusted breadboards :) Thank you!

The calmness and the patience. Heavy duty xD manual work. Loved it. Keep it going

Great and simple explanation of how a "lookup table" and and FPGA works 😉

In the 1970's I used the same idea for a memory address decoder, using a fuse-link Bipolar PROM. Other uses would be fixed tables of constants, character sets etc. However, the availability of small devices is very poor today, as the direction is to massive storage, and frequently, serial access.

Possibly one of the easiest to follow & informative videos I've ever seen. Great work, makes me want to dig out some old chips and start tinkering :)

Thanks for all your videos Ben! You are a great teacher which makes all this stuff much easier to learn. After completing my breadboard copy from this video, I learned a valuable lesson in the difference between an EEPROM and static RAM lol I came back the next day to find all my data gone when I plugged it back in. A little disheartening but I'm still pretty excited I got it working. Keep up the good work!

I have no idea of this kind of electronic,but here I am, sub'd and watching the video nr 20 in the middle of the night

Such beautiful breadboard organization!

What solidhit2 said. After I watched your 'worst graphics card' video, I was hooked. You give an outstanding explanation regarding what you're doing and your thoughts on the matter. I am seeking to learn more about electronics and your channel is amazing. Thank you for putting this content out for free!

you are great teacher, i am 35yrs in electronic field,and i also knew eeprom use for what, but never think that easy can use in my own circuit, thanks that's geat video..

This was fun to watch. You could do your testing much faster if you went through the bit combinations in a Gray-code fashion; you had to toggle switches 24 times, in the sequential way you did it, 0-15; using a Gray sequence you would have to toggle the switches 15 times only.

A new video! Yeah!

Thank you so much for this video I've been watching a lot of stuff on micro processors and integrated circuits and even some 8bit computer how to vids and this single video has made more pieces fall into place than all the other combined.

Thanks alot, i'm normally a web and mobile app developer, so this is a new world for me.. But you managed to explain the EEPROM principle to me very clearly.

thank your teaching.

you are awesome man thank you ! i've learnt so much thing than my digital logic + microprocessor courses

Thank you, KZfaq for suggesting me this channel. Thank you, Ben. Your explanations are very clear for beginners.

You just explained 3 years of computer science in 25 minutes.

Is there are a chance you will make a tutorial about good practices of building circuits on breadboards. How to plan them, cut the wires, how to make them so tidy etc.?

Ben another masterpiece, you've got it all, the knowledge, great communicator you've made electronics fascinating for me, thank you for all the effort you put in.

AMAZING !!!!! I am super impressed! I rarely watch random videos I land on to the end, but I watched this 3 times - thanks for sharing!!!

The main thing I'm learning here is how to do insanely neat breadboard wiring.

'A' for effort, I'll grant you that. Phew. I can't imagine how much time it would have taken you to put that video together. By a strange quirk of circumstances, I was mucking around with a bank of 8 7-segment displays. Uses a MAX7219 chip. Let's just say that it's a bit easier than doing do it your way. Although not as educational, of course.

I love your videos they're very well done. Takes me back to the 70s and 80s when I worked in the computer Factory troubleshooting main boards and having to make your own test equipment to help us

This is actually the clearest electronic instruction videos I have ever seen. Thanks

Thank you so much...

Heh, I remember my first EPROM to make a voice synthesizer for my Commodore64 - had to re-program it after my electronics teacher held it under a fluorescent light/magnifier for too long, inspecting the soldering.

i wish i came across your videos when i was studying EEEng.. a tutor/lecturer like you would have been a godsent.. keep making these videos, they make the world a better place

This video reminded me of one of my greatest "aha" moments in electronics. I was puzzled about how the spectrum analyzer I was using, a Tektronix 7L18, was calculating its reference level, since this was affected by both the input step attenuator and the I.F. gain control. Long story short, they used a PROM to do the calculation, and this was a real eye-opener for me. Thank you for the video.

I really like how you program it by hand! How can I do so with a microcontroller? 8051 for example?

Now I feel the urge to buy an EEPROM chip

MAN PLEASE DON'T EVER STOP!!!! I WILL WATCH ALL YOUR VIDEOS AND SHARE IT TO MY STUDENTS!!!

Wow. I am amazed by how much of this video I can understand. In 25 minutes I have finally learnt: 1) what an EEPROM actually is, 2) what a "programmer" actually means (I'm looking forward to watching the next video), 3) how to wire a breadboard beautifully so that everything is and remains totally readable and obvious and 4) how to use a capacitor+resistor for a very short blast of voltage (and how to calculate it). Thank you!

expose them to u l t r a v i o l e n t l i g h t

Seems like it would have been clever to hook up the display before programming, so you can see it's correct as you program it. Next up, using ROMs to replace the NANDs in your video card?

Great demonstration. (Although there are off the shelf chips that do this function.) When I was in college, I had to perform division in a circuit. I used a EEPROM as a lookup table and was able to divide in a few clock cycles. They are very useful.

You give a very high quality of to explain things. A good balance of what time, seconds, should be distributed to the different subparts of the subject. It is easy to hear and understand every word, and NO MUSIC, great.

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