[ASK]What IC can display A-F to 7-segment LED

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SUMMARY

The discussion centers on the need for an integrated circuit (IC) that can convert binary-coded decimal (BCD) values greater than 9 into hexadecimal representations (A-F) for display on a 7-segment LED. The user has implemented a 7483 4-bit full adder connected to a 7447 BCD to 7-segment decoder but encounters limitations when the sum exceeds 9. The recommended solution is to explore the MC14495, a hex to 7-segment display driver, which may fulfill the user's requirements for displaying letters A-F.

PREREQUISITES
  • Understanding of BCD (Binary-Coded Decimal) representation
  • Familiarity with 7-segment LED display technology
  • Knowledge of digital logic circuits, specifically full adders
  • Basic understanding of integrated circuits and their datasheets
NEXT STEPS
  • Research the MC14495 hex to 7-segment display driver and its specifications
  • Learn about alternative ICs for converting BCD to hexadecimal for 7-segment displays
  • Explore circuit designs that integrate the 7483 and 7447 with additional components for extended functionality
  • Study the datasheet of the 7447 to understand its limitations and configuration options
USEFUL FOR

Electronics enthusiasts, digital circuit designers, and students working on projects involving 7-segment displays and binary addition.

ajmosca25
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guys, you just created a circuit a BCD 4bits Full adder but in my case i just need a 3bits-3bits addition so that i set the A4 to 0 by default...

i used 7483 for 4bits full adder and connect it to a 7447 BCD to 7-segment

A4A3A2A1 + B43B2B1

A4 & B4 are set to 0

so 7 is the maximum value in one input..

my problem is when A+B = greater 9...i need to display a real letter A-F not the default light up of 7447

ex.

101(5) + 101(5) = A (bit letter A)
110(6) + 101(5) = b (small letter b)
111(7) + 101(5) = C (big letter C)
110(6) + 111(7) = d (small letter d)
111(7) + 111(7) = E (small letter E)

but in default in 7447

111(7) + 111(7) = inverted big letter F...

is there an IC which can convert 10-15 to A-F in 7segment led?

or just another IC which can configure 7447?

~help me please
 
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ajmosca25 said:
guys, you just created a circuit a BCD 4bits Full adder but in my case i just need a 3bits-3bits addition so that i set the A4 to 0 by default...

i used 7483 for 4bits full adder and connect it to a 7447 BCD to 7-segment

A4A3A2A1 + B43B2B1

A4 & B4 are set to 0

so 7 is the maximum value in one input..

my problem is when A+B = greater 9...i need to display a real letter A-F not the default light up of 7447

ex.

101(5) + 101(5) = A (bit letter A)
110(6) + 101(5) = b (small letter b)
111(7) + 101(5) = C (big letter C)
110(6) + 111(7) = d (small letter d)
111(7) + 111(7) = E (small letter E)

but in default in 7447

111(7) + 111(7) = inverted big letter F...

is there an IC which can convert 10-15 to A-F in 7segment led?

or just another IC which can configure 7447?

~help me please

Welcome to the PF.

Instead of "BCD to 7-segment display driver", try Googling Hex to 7-segment display driver...
 
ok, i see an IC, but I am not sure if it is the IC i need...

MC14495...

im studying its datasheet right now, thanks btw...

~yes i am new here in PF, thanks for welcoming...Overwhelming...^_^
 

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