74ACT1284 Fairchild Semiconductor, 74ACT1284 Datasheet - Page 2

• Manufacturer Part Number: 74ACT1284
• Description: IEEE 1284 Transceiver
• Manufacturer: Fairchild Semiconductor

www.fairchildsemi.com
Truth Table
Note 1: B
Note 2: B
Logic Diagram
5
1
- B
- B
7
7
Open Drain Outputs
Open Drain Outputs
DIR
H
H
L
L
Inputs
HD
H
H
L
L
2
B
A
B
A
A
A
1
5
1
5
1
1
- B
- B
- A
- A
- A
- A
4
4
7
7
7
7
Data to B
Data to B
Data to B
Data to B
Data to A
Data to A
Outputs
5
5
1
1
1
1
- B
- B
- B
- B
- A
- A
4
7
4
7
7
7
, and
, and
(Note 1)
(Note 2)