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(PDF) 74184 Datasheet download

On page 6 or there is a cascaded circuit using 6 chips for 3 BCD digits input and 10 binary output bits. This comes in a 28 pin DIP, and they are readily available and easily programmed.

So I’ve been looking all over the internet for a Decimal to Binary converter but all I’ve been able to find are Binary to Decimal converters, and Decimal to BCD circuits, does anyone have one?

The purpose of the many binary to BCD converter ICs that are around are to support 7-segment displays in the pre-cheap-microcontroller era. Where do the BCD digits come from that you need to convert? You’ll need 6 for converting 0 to If this question can be reworded to fit the rules in the help centerplease edit the question.

Of course, those things have been obsolete for decades, so finding them is Please clarify your specific problem or add additional details to highlight exactly what you need.


As has been pointed out in other answers, you can use the venerable and I do mean venerable The circuit with 6 ICs does convert all 3 digit BCD numbers datasheett a correct result with 10 binary bits. As you can imagine, this was a rather common function in electronics devices, hence why the chips are readily available.

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Yes, you’ll struggle to find one. See the How to Ask page for help clarifying this question. Decimal to Binary [closed] Ask Question. Home Questions Tags Users Unanswered.

Of course you may use a PROM with 8 inputs and 8 outputs too. If you go on eBay, you can get 20 year old Russian knockoffs for a couple of bucks apiece. Jon 3, 7 Where are the 3 digits coming from? Besides, your question is really underspecified and smells like an XY problem from miles away.

The reason for this is that there is no common reason for a BCD to binary converter. Or you do a single chip solution using a PROM with 12 inputs and 10 outputs. Then, of course, your 6 ICs will draw worst case as much as mA each, so you’re looking at mA. The extra protection logic is necessary only if the result should be represented with 8 bits 0 to only. You could also make something using discrete logic, which would be a good learning exercise, but will quickly become a reasonably complicated project in itself.

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You’ll also need some extra protection logic, since with a 3-digit input there is always the chance that you will inadvertently try to enter a number in excess ofand the results of that will not be pretty. For a complete 3 digits BCD to binary converter you need 10 output bits for numbers from 0 to Without knowing much more about the problem you are trying to solve, your best bet is to use a cheap microcontroller.

Overall, in terms of circuit board size, power dissipation and error resistance, you’re much better off programming datxsheet 4k x 8 PROM such as a By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Ratasheetand our Terms of Service.

Without an MCU, it’s going to quickly be a mess of logic chips and wires, if you need ddatasheet than two digits Uwe 3 5. WhatRoughBeast 49k 2 28 Thumb wheels cheap from China? Dec 21 ’17 at