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Número de pieza
componentes Descripción
MC74VHC245DWG Ver la hoja de datos (PDF) - ON Semiconductor
Número de pieza
componentes Descripción
Fabricante
MC74VHC245DWG
Octal Bus Buffer/Line Driver
ON Semiconductor
MC74VHC245DWG Datasheet PDF : 8 Pages
1
2
3
4
5
6
7
8
A
DATA
PORT
A1
2
A2
3
A3
4
A4
5
A5
6
A6
7
A7
8
A8
9
DIR
1
OE
19
MC74VHC245
18
B1
17
B2
16
B3
15
B4
14
B5
13
B6
12
B7
11
B8
B
DATA
PORT
Figure 1. LOGIC
DIAGRAM
DIR 1
A1 2
A2 3
A3 4
A4 5
A5 6
A6 7
A7 8
A8 9
GND 10
20 V
CC
19 OE
18 B1
17 B2
16 B3
15 B4
14 B5
13 B6
12 B7
11 B8
Figure 2. PIN ASSIGNMENT
FUNCTION TABLE
Control Inputs
OE
DIR
Operation
L
L
Data Transmitted from Bus B to Bus A
L
H
Data Transmitted from Bus A to Bus B
H
X
Buses Isolated (High
−
Impedance State)
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