（Top View） |
| IN3 |
IN2 |
IN1 |
IN0 |
Display |
| L |
L |
L |
L |
0 |
| L |
L |
L |
H |
1 |
| L |
L |
H |
L |
2 |
| L |
L |
H |
H |
3 |
| L |
H |
L |
L |
4 |
| L |
H |
L |
H |
5 |
| L |
H |
H |
L |
6 |
| L |
H |
H |
H |
7 |
| H |
L |
L |
L |
8 |
| H |
L |
L |
H |
9 |
| H |
L |
H |
L |
Test |
| H |
L |
H |
H |
Blank |
| H |
H |
L |
L |
Blank |
| H |
H |
L |
H |
- |
| H |
H |
H |
L |
Blank |
| H |
H |
H |
H |
Blank |
|
Vcc +5V
GND 0V
IN0,IN1,IN2,IN3,/DP,/LE
TTL Level
/DP (Decimal point)
L=ON , H=OFF
/LE (Latch Enable)
L=Enable , H=Hold |
