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74184 Datasheet

As has been pointed out in other answers, you can use the venerable and I do mean venerable Or you do a single chip solution using a PROM with 12 inputs and 10 outputs.

WhatRoughBeast 49k 2 28 Besides, your question is really underspecified and smells like an XY problem from miles away. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

Where do the BCD digits come from that you need to convert? Where are the 3 digits coming from?

datasheet & applicatoin notes – Datasheet Archive

Of course, those things have been eatasheet for decades, so finding them is Dec 21 ’17 at Please clarify your specific problem or add additional details to highlight exactly what you need. See the How to Ask page for help clarifying this question. Yes, you’ll struggle to find one.


Decimal to Binary [closed] Ask Question. 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. Without an MCU, it’s going to quickly be a mess of logic chips and wires, if you need more than two digits On page 6 or there is a cascaded circuit using 6 dtasheet for 3 BCD digits input and 10 binary output bits.

The reason for this is that there is no common reason for a BCD to binary converter.

If you 744184 on eBay, you can get 20 year old Russian knockoffs for a couple of bucks apiece. Uwe 3 5. You’ll need 6 for converting 0 to This comes in a 28 pin DIP, and they are readily available and easily programmed. As you can imagine, this was a rather common function in electronics devices, hence why the chips are readily available. 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.

Of course you may dayasheet a PROM with 8 inputs and 8 outputs too.

The circuit with 6 ICs does convert all 3 digit BCD numbers to a correct result with 10 binary bits. Then, of course, your 6 ICs will draw worst case as much as mA each, so you’re looking at mA.


For a complete 3 digits BCD to binary converter you need 10 output bits for numbers from 0 to 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. Thumb wheels cheap from China? Home Questions Tags Users Unanswered. Jon 3, 7 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?

Without knowing much more about the problem you are trying to solve, your best bet is to use a cheap microcontroller. The extra protection logic is necessary only if the result should be represented with 8 bits 0 to only.

Overall, in terms of circuit board size, power dissipation and error resistance, you’re much better off programming a 4k x 8 PROM such as a If this question can be reworded to fit the rules in the help centerplease edit the question.