DATASHEET 74LS47 DECODIFICADOR PDF

SN74LS47N. SN74LS47NSR. ACTIVE. SO. NS. Green (RoHS. & no Sb /Br). CU NIPDAU. LevelC-UNLIM. 0 to 74LS SNJAJ. ACTIVE. 74LS47 component details, pinout & Datasheet. 74LS47 is a BCD to 7-segment decoder/driver IC & It accepts a binary coded decimal as input and converts it. 74LS47 datasheet, 74LS47 pdf, 74LS47 data sheet, datasheet, data sheet, pdf, Fairchild Semiconductor, BCD to 7-Segment Decoder/Driver with Open-Collector .

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This is standard and is shown in the SN datasheet:.

Thank you for your interest in this question. This is standard and is shown in the SN datasheet: The pinout is here: I just want to know the right way to connect the output pins of to the pins of 74os47 display?

Armandas 6, 1 23 Danny Sebahar 9.

Home Questions Tags Users Unanswered. When I connect an input, the LEDs doesn’t form numbers but they light up randomly.

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ON Semiconductor – datasheet pdf

Would you like to answer one of these unanswered questions instead? However, they don’t seem to mention that you need to have the inputs of the connected to something for it to work like you want it to.

Further, this really old chip saved a few transistors by not fully decoding inputs above 0x09, so 0x0A. Simply wire the decodificadoe letters a.

decodificadlr Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site the association bonus does not count.

Here is a link to a video I made on instagram of mine working using this schematic: Then just map the pins correctly again, from datasheet: Pin 5 should go to GND. Then just map the pins correctly again, from datasheet:.

Spehro Pefhany k 4 Like the other two decodidicador popular answers, your 7 segment display needs to be connected to the properly Outputs to Seven-segment display inputs: Each segment on a 7-segment display is designated a letter A-G. Note that this datasheet illustration is a bit messed up and the bottom segment is D not Eand datawheet segment clockwise lower left is E. You need to tie them to appropriate logic levels RBI should be ‘0’ if you want to display a zero.

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By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. How to connect decoder to 7-segment display?

74LS47 Datasheet

I’ve connected a decoder to 7-segment display as shown in figure. You can use a diode tester or a simple voltage source datashedt a resistor to determine the pinout of your particular display. Note that this is an ancient display and an ancient TTL chip both are museum old and because it’s TTL open inputs will read as ‘high’. Michael George 1, 8 34 The pinout is here:.