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HD74HC540 Datasheet, PDF (2/9 Pages) Hitachi Semiconductor – Octal Buffers/Line Drivers (with 3-state outputs)
HD74HC540/HD74HC541
Pin Arrangement
HD74HC540
G1 1
A1 2
A2 3
A3 4
A4 5
A5 6
A6 7
A7 8
A8 9
GND 10
(Top view)
20 VCC
19 G2
18 Y1
17 Y2
16 Y3
15 Y4
14 Y5
13 Y6
12 Y7
11 Y8
2