PI74FCT16541/162541/162H541T
16-BIT BUFFER/LINE DRIVERS
Product Pin Description
Truth Table
Inputs(1)
Outputs(1)
Pin Name
XOE
Description
XOE
L
xAx
L
xYx
H
3-State Output Enable Inputs (Active LOW)
Inputs(1)
xAx
L
H
L
xYx
3-State Outputs
Ground
H
X
Z
GND
VCC
Power
Note: 1. H = High Voltage Level
X = Don’t Care
Note: 1. For the PI74FCT162H541T, these pins have “Bus
L = Low Voltage Level
Z = High Impedance
Hold.” All other pins are standard, outputs, or I/Os.
Product Pin Configuration
1
OE
A
1
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
1
1
1
OEB
1Y
0
1
A
A
0
1
2
3
4
1Y
GND
GND
1
Y
Y
2
3
1
A
A
2
3
5
1
1
6
V
CC
V
1
CC
7
1
Y
Y
4
5
A
4
5
8
1
1A
9
GND
GND
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1Y
1Y
2Y
2Y
6
7
0
1
1A
1A
2A
2A
6
7
0
1
48-PIN
V48
A48
GND
GND
2
Y
Y
2
3
2
A
A
2
3
2
2
V
CC
V
2
CC
2
Y
Y
4
5
A
4
5
2
2A
GND
GND
2
Y
Y
6
7
2
2
2
A
6
7
2
A
2OE
A
OEB
PS2037A 03/11/96
230
PERICOM [ PERICOM SEMICONDUCTOR CORPORATION ]
