7segmentdisplay - How to connect 7447 decoder to 7-segment display ...
Aug 13, 2014 · I've connected a 7447 decoder to 7-segment display as shown in figure. When I connect an input, the LEDs doesn't form numbers but they light up randomly. I just want to know the right way …
How to display 2-digits data using two 7447 decoder?
Jun 27, 2023 · I have designed a circuit to display the 2-digits data using two 7447 decoder. The design is shown below. I have two outputs, O1 and O2. O1 represents the ones digit while O2 represents …
integrated circuit - Difference between 7446,47 etc - Electrical ...
What is the practical difference between a 7446 ("BCD to 7 segment decoder/driver with 30V open collector outputs"), a 7447 ("BCD to 7-segment decoder/driver with 15V open collector outputs"), a …
How do you cascade two 7-segment decoder ICs together?
May 19, 2022 · Now our instructor has told us to cascade two 7447 ICs together and implement it on a 7-segment display. Also, the instructor did not show us how to cascade 2 ICs together in general.
Possible to use 7447 to drive common-cathode 7 segment display?
Jun 25, 2014 · I know that the 74(LS)47 is designed to drive common-anode displays. However, is it possible to make it drive a common-cathode display? What is the simplest (in terms of components) …
How to Modify 7447 IC Output to Improve 6 and 9 Display on a 7 …
Jan 6, 2025 · I’m using the 7447 BCD to 7-segment decoder IC with a common anode 7-segment display, and I’ve noticed something odd with how it shows the numbers 6 and 9: For 6, it lights up …
How to connect three 7-segment displays to a 4x4 binary multiplier
Oct 31, 2024 · The 7447 and 7448 are BCD-to-seven-segment display drivers. They are not fully decoded (saving transistors was important in the ~1960s), so invalid inputs provide oddball outputs …
Up counter with 7447 - Electrical Engineering Stack Exchange
Jan 24, 2025 · The 7447 has a feature called "Ripple Blanking" (RB). By connecting the RBO (Output) of the most significant digit to the RBI (Input) of the next digit leading zeros will be suppressed. Since …
logic gates - Electrical Engineering Stack Exchange
Dec 17, 2022 · Common anode: Do I need resistors here? Where would I connect them? Common cathode: Common anode seems simpler circuit wise - but I like the idea that "1" …
circuit analysis - 7-segment display driver question - Electrical ...
Apr 25, 2024 · I believe I'm having some issues interpreting an assignment for my Digital Systems class. What I've done so far is make the segment table for the display, make a truth table for A-G, k-maps …