The circuit below represents a BCD to 7 Segment LED Decoder/Driver. The BCD input variables:
D MSB
C
B
A LSB
The output is a decimal number as displayed by the 7 segment LED
Given the BCD input: D=0, C=1, B=0, A=0
You would expect to see the decimal number ______ displayed?
+Vcc
Anode
Common-
anode
connections
Cathode
a
D
BCD
input
BCD-
to-
7-segment
decoder/
driver
BI/RBO
RBI
LT
7446 or 7447 For current
limiting
(a)
0 1 2 3 4 5 6 7 8 9 C Y E
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
5
6
3
4