74ALS646 View Datasheet(PDF) - Philips Electronics
Part Name
Description
View to exact match
74ALS646 Datasheet PDF : 13 Pages
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Philips Semiconductors
Transceiver/register
Product specification
74ALS646/74ALS646-1
74ALS648/74ALS648-1
PIN CONFIGURATION – 74ALS646/646-1
CPAB 1
SAB 2
DIR 3
A0 4
A1 5
A2 6
A3 7
A4 8
A5 9
A6 10
A7 11
GND 12
24 VCC
23 CPBA
22 SBA
21 OE
20 B0
19 B1
18 B2
17 B3
16 B4
15 B5
14 B6
13 B7
LOGIC SYMBOL – 74ALS646/646-1
4 5 6 7 8 9 10 11
SC00118
A0 A1 A2 A3 A4 A5 A6 A7
1
CPAB
2
SAB
3
DIR
23
SPBA
22
SBA
21
OE
B0 B1 B2 B3 B4 B5 B6 B7
VCC = Pin 24
GND = Pin 12
20 19 18 17 16 15 14 13
IEC/IEEE SYMBOL – 74ALS646/646-1
21
G3
3
3 EN1 [BA]
3 EN2 [AB]
23
C4
22
G5
1
C6
2
G7
4
1
5
4D
1
1
5
6D
7
1
5
17
2
6
7
8
9
10
11
SC00120
20
19
18
17
16
15
14
13
SC00122
PIN CONFIGURATION – 74ALS648/648-1
CPAB 1
SAB 2
DIR 3
A0 4
A1 5
A2 6
A3 7
A4 8
A5 9
A6 10
A7 11
GND 12
24 VCC
23 CPBA
22 SBA
21 OE
20 B0
19 B1
18 B2
17 B3
16 B4
15 B5
14 B6
13 B7
LOGIC SYMBOL – 74ALS648/648-1
4 5 6 7 8 9 10 11
SC00119
A0 A1 A2 A3 A4 A5 A6 A7
1
CPAB
2
SAB
3
DIR
23
SPBA
22
SBA
21
OE
B0 B1 B2 B3 B4 B5 B6 B7
VCC = Pin 24
GND = Pin 12
20 19 18 17 16 15 14 13
IEC/IEEE SYMBOL – 74ALS648/648-1
21
G3
3
3 EN1 [BA]
3 EN2 [AB]
23
C4
22
G5
1
C6
2
G7
4
1
5
4D
1
1
5
6D
7
1
5
17
2
6
7
8
9
10
11
SC00121
20
19
18
17
16
15
14
13
SC00123
1991 Feb 08
3
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