MILDTL28803/1E
TABLE IX. Truth table for four segment sign display, without latch (circuit configuration 6).
Input
Output
Δ = Segment lit 1/
BCD
Display
DPT
LT
8
4
2
1
BI
B
C
E
F
DPT
Δ
Δ
Δ
Δ
1
0
0
0
0
1
Δ
Δ
1
0
0
0
1
1
Δ 2/
0
X
X
X
X
X
X
ˇ
X
X
X
X
X
0
Blank
Δ
Δ
Δ
Δ
0
X
X
X
X
1
1/
See figure 6 for four segment sign display output letter assignments.
2/
The decimal point (DPT) operates independently of the conversion logic.
To illuminate, connect to GND (0.0 V dc).
12
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