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74HC245 Datasheet, PDF (6/8 Pages) NXP Semiconductors – Octal bus transceiver; 3-state
A1 2
A2 3
A3 4
A
DATA
PORT
A4 5
A5 6
A6 7
A7 8
A8 9
DIRECTION 1
OUTPUT ENABLE 19
74HC245
18 B1
17 B2
16 B3
15 B4
14 B5
B
DATA
PORT
13 B6
12 B7
11 B8
Figure 7. Expanded Logic Diagram
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6