74LVC646ADB 查看數據表（PDF） - Philips Electronics
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74LVC646ADB Datasheet PDF : 16 Pages
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Philips Semiconductors
Octal bus transceiver/register (3-State)
Product specification
74LVC646A
LOGIC SYMBOL
21
OE
1
CP AB
CP BA
23
2
S AB
S BA
22
4
A0
B0
20
5
A1
B1
19
6
A2
B2
18
7
A3
B3
17
8
A4
B4
16
9
A5
B5
15
10
A6
B6
14
11
A7
DIR
B7
13
3
SV00765
LOGIC SYMBOL (IEEE/IEC)
23
C4
1
C5
21
G3
22
G6
2
G7
3
3EN2
3EN1
4
≥1 6
4D
16
1
5D
7 ≥12
20
17
5
19
6
18
7
17
8
16
9
15
10
14
11
13
SV00764
FUNCTIONAL DIAGRAM
4 A0
5 A1
6 A2
7 A3
8 A4
9 A5
10 A6
11 A7
21 OE
3 DIR
2 SAB
22 SBA
1 CPAB
23 CP BA
B0 20
B1 19
B2 18
B3 17
B4 16
B5 15
B6 14
B7 13
SV00763
1998 Jul 29
4
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