74f646a NXP Semiconductors, 74f646a Datasheet - Page 4

• Manufacturer Part Number: 74f646a
• Description: Octal Transceiver/register, Non-inverting/inverting 3-state
• Manufacturer: NXP Semiconductors

Philips Semiconductors
PIN CONFIGURATION
LOGIC SYMBOL
2003 Feb 04
Transceivers/registers
V
GND = Pin 12
CC
= Pin 24
23
22
21
1
2
3
CPAB
GND
SAB
DIR
A0
A1
A2
A3
A4
A5
A6
A7
CPAB
SAB
DIR
CPBA
SBA
OE
B0 B1 B2 B3 B4 B5 B6 B7
20 19 18 17 16 15 14 13
A0 A1 A2 A3 A4 A5 A6 A7
4
10
11
12
1
2
3
4
5
6
7
8
9
5
74F648A
74F648A
6
7
8
SF00389
9
24
23
22
20
19
18
17
16
15
14
13
21
SF00390
10
V
CPBA
SBA
OE
B0
B1
B2
B3
B4
B5
B6
B7
CC
11
4
IEC/IEEE SYMBOL
LOGIC DIAGRAM
CPBA
CPAB
SBA
SAB
OE
A0
DIR
3
23
22
1
4
2
21
5
6
7
8
9
10
11
4
23
22
1
2
21
3
I of 8 channels
1D
C1
G7
G5
6D
G3
3 EN1 [BA]
3 EN2 [AB]
C6
C4
1
1
to 7 other channels
74F648A
74F648A
1
74F646A/74F648A
7
7
5
5
1
1
2
4D
C1
1D
SF00391
Product data
19
18
17
16
15
14
13
20
SF00400
20
B0