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MC74AC540, MC74ACT540, MC74AC541, MC74ACT541
OE1 1
2
3
4
5
6
7
8
9
GND 10
20 VCC
19 OE2
18
17
16
15
14
13
12
11
Figure 1. MC74AC540/74ACT540
OE1 1
2
3
4
5
6
7
8
9
GND 10
20 VCC
19 OE2
18
17
16
15
14
13
12
11
Figure 2. MC74AC541/74ACT541
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