MC74VHC245DWG View Datasheet(PDF) - ON Semiconductor

Part Name

Description

View to exact match

MC74VHC245DWG

Octal Bus Buffer/Line Driver

ON Semiconductor 

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 VCC

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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