MC74HC640A Motorola, MC74HC640A Datasheet - Page 5

• Manufacturer Part Number: MC74HC640A
• Description: Octal 3-State Inverting Bus Transeceiver
• Manufacturer: Motorola

High–Speed CMOS Logic Data
DL129 — Rev 6
OUTPUT ENABLE
DIRECTION
PORT
DATA
A
19
1
A1
A2
A3
A4
A5
A6
A7
A8
2
3
4
5
6
7
8
9
EXPANDED LOGIC DIAGRAM
5
18
17
16
15
14
13
12
11
B1
B2
B3
B4
B5
B6
B7
B8
B
DATA
PORT
MC54/74HC640A
MOTOROLA