bcd to seven segment.pptx

bcd to 7 segment

1. BCD to 7 Segment Decoder

2. BCD   binary coded decimal

3. 7-Segment Display It is a digital device that can be used for displaying decimal number, alphabets, and characters . contains  7 LED   segments There are two types of 7-Segment displays. Common Cathode Common Anode

4. 7-Segment Display There are two types of 7-Segment displays. Common Cathode Common Anode

5. Display combination of decimal numbers

6. Truth Table Assume common cathode 7-Segment display. Suppose the binary input  ABCD  to the decoder and output a, b, c, d, e, f, & g for the display.

7. Karnaugh Maps Simplification For output a:

8. Karnaugh Maps Simplification For output a:

9. Karnaugh Maps Simplification

10. 7-Segment Display Decoder Circuit

11. BCD to 7-Segment Decoder IC & Pin outs The commonly used IC for  BCD to 7-segment decoding is 7447  for driving common-anode LEDs 

12. BCD to 7-Segment Decoder IC & Pin outs common-cathode LEDs