74245 Octal Bus Transceivers With 3-State Outputs

Octal Bus Transceivers With 3-State Outputs
Pin I/O Description
No Name
1 DIR I Control signal direction; High = Bx to Ax Low = Ax to Bx
2 A1 I/O Channel 1 A side
3 A2 I/O Channel 2 A side
4 A3 I/O Channel 3 A side
5 A4 I/O Channel 4 A side
6 A5 I/O Channel 5 A side
7 A6 I/O Channel 6 A side
8 A7 I/O Channel 7 A side
9 A8 I/O Channel 8 A side
10 GND Ground
11 B8 I/O Channel 8 B side
12 B7 I/O Channel 7 B side
13 B6 I/O Channel 6 B side
14 B5 I/O Channel 5 B side
15 B4 I/O Channel 4 B side
16 B3 I/O Channel 3 B side
17 B2 I/O Channel 2 B side
18 B1 I/O Channel 1 B side
19 OE I Active low output enable;
Low = all channels active,
High = all channels disabled, high impedance
20 VCC Power supply