74lcx32646 Fairchild Semiconductor, 74lcx32646 Datasheet - Page 2

• Manufacturer Part Number: 74lcx32646
• Description: Voltage 32-bit Transceiver/register With Tolerant Inputs Outputs Preliminary
• Manufacturer: Fairchild Semiconductor

www.fairchildsemi.com
Connection Diagram
Pin Assignment for FBGA
(Top Thru View)
2
Pin Descriptions
FBGA Pin Assignments
1A
2A
1B
2B
OE
CPAB
SAB
DIR
NC
W
M
A
B
C
D
E
G
H
K
N
P
R
U
V
F
J
L
T
Pin Names
0
0
0
0
n
n
- 1A
- 2A
- 1B
- 2B
n
, SBA
n
, CPBA
1A
1A
1A
1A
2A
2A
2A
2A
1A
1A
1A
1A
1A
2A
2A
2A
2A
2A
NC
15
15
15
15
1
10
12
13
15
10
12
13
15
0
2
4
6
8
0
2
4
6
8
n
CPAB
n
SAB
SAB
SAB
SAB
1A
2A
1A
2A
1A
1A
1A
1A
1A
2A
2A
2A
2A
2A
2
Side A Inputs or 3-STATE Outputs
Side B Inputs or 3-STATE Outputs
Output Enable Inputs
Clock Pulse Inputs
Select Inputs
Direction Control Inputs
No Connect
11
14
11
14
1
3
5
7
9
1
3
5
7
9
1
2
3
4
3
CPAB
CPAB
CPAB
GND
GND
GND
GND
GND
GND
GND
GND
DIR
DIR
DIR
DIR
V
V
V
V
3
CC
CC
CC
CC
1
2
3
4
1
2
4
Description
CPBA
CPBA
CPBA
GND
GND
GND
GND
GND
GND
GND
GND
OE
V
V
OE
OE
V
V
OE
4
CC
CC
CC
CC
1
2
3
4
1
2
4
Preliminary
CPBA
SBA
SBA
SBA
SBA
1B
1B
2B
2B
1B
1B
1B
1B
1B
2B
2B
2B
2B
2B
5
11
14
11
14
1
3
5
7
9
1
3
5
7
9
1
2
3
4
3
1B
1B
1B
1B
2B
2B
2B
2B
1B4
1B
1B
1B
1B
2B
2B
2B
2B
2B
NC
6
10
12
13
15
10
12
13
15
0
2
6
8
0
2
4
6
8