L6450 Просмотр технического описания (PDF) - STMicroelectronics
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L6450 Datasheet PDF : 9 Pages
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Figure 1: Timing Waveforms
L6450
OUTPUT SELECTION
1)Decoder Truth Table when the BENCH =
HIGH;
IND/COM3 = is selected as input decoder ind;
COM1 = a low input enable the OUT0 to
OUT13;
COM2 = A Low Input Enable the OUT14 to
OUT27
IND
INC
INB
INA
(LSB)
OUTPUTS
0
0
0
0
0
0
0
1
0
0
1
0
0
0
1
1
0
1
0
0
0
1
0
1
0
1
1
0
0
1
1
1
1
0
0
0
1
0
0
1
1
0
1
0
1
0
1
1
1
1
0
0
1
1
0
1
1
1
1
0
1
1
1
1
0.27
1.26
2.25
3.24
4.23
5.22
6.21
7.20
8.19
9.18
10.17
11.16
12.15
13.14
ALL OFF
ALL OFF
2)Decoder Truth Table when the BENCH =
LOW;
IND/COM3 = is selected as COM3
COM1: A Low Input Enable the OUT0 to
OUT6
COM2: A Low Input Enable the OUT7 to
OUT13
COM3: A Low Input Enable the OUT14 to
OUT20
COM4: A Low Input Enable the OUT21 to
OUT27
INC
INB
INA
(LSB)
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
OUTPUTS
0, 7,27, 20
1, 8, 26, 19
2, 9, 25, 18
3, 10, 24, 17
4, 11, 23, 16
5, 12, 22, 15
6, 13, 21, 14
ALL OFF
5/9
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