74ALVCH16646 データシートの表示（PDF） - NXP Semiconductors.
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74ALVCH16646 Datasheet PDF : 13 Pages
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Philips Semiconductors
16-bit bus transceiver/register (3-State)
Product specification
74ALVCH16646
PIN DESCRIPTION
PIN NUMBER SYMBOL
1, 28
nDIR
2, 27
3, 26
5, 6, 8, 9, 10,
12, 13, 14
nCPAB
nSAB
1A0 to 1A7
4, 11, 18, 25,
32, 39, 46, 53
GND
7, 22, 35, 50
15, 16, 17, 19,
20, 21, 23, 24
VCC
2A0 to 2A7
29, 56
nOE
30, 55
31, 54
42, 41, 40, 38,
37, 36, 34, 33
nCPBA
nSBA
2B0 to 2B7
52, 51, 49, 48,
47, 45, 44, 43
1B0 to 1B7
NAME AND FUNCTION
Direction control input
Clock input A-to-B
Select input A-to-B
Data inputs/outputs
Ground (0V)
Positive supply voltage
Data inputs/outputs
Output enable
Clock input B-to-A
Select input B-to-A
Data inputs/outputs
Data inputs/outputs
LOGIC SYMBOL
5 1A0
6 1A1
8 1A2
9 1A3
10 1A4
12 1A5
13 1A6
14 1A7
56 1OE
1 1DIR
2 1SAB
54 1SBA
2 1CPAB
55 1CPBA
1B0 52
1B1 51
1B2 49
1B3 48
1B4 47
1B5 45
1B6 44
1B7 43
15 2A0
16 2A1
17 2A2
19 2A3
20 2A4
21 2A5
23 2A6
24 2A7
29 2OE
28 2DIR
26 2SAB
31 2SBA
27 2CPAB
30 2CPBA
2B0 42
2B1 41
2B2 40
2B3 38
2B4 37
2B5 36
2B6 34
2B7 33
SY00013
BUSHOLD CIRCUIT
VCC
Data Input
To internal circuit
LOGIC SYMBOL (IEEE/IEC)
1OE 56
1DIR 1
1CPBA 55
1SBA 54
1CPAB 2
1SAB 3
2OE 29
2DIR 28
2CPBA 30
2SBA 31
2CPAB 27
2SAB 26
1A0 5
1A1 6
1A2 8
1A3 9
1A4 10
1A5 12
1A6 13
1A7 14
2A0 15
2A1 16
2A2 17
2A3 19
2A4 20
2A5 21
2A6 23
2A7 24
G3
3EN1[BA]
3EN2[AB]
C4
G5
C6
G7
G10
10EN8[BA]
10EN9[AB]
C11
G12
C13
G14
31
1
6D 7
17
5 4D
51
31
2
8w1
12 11D
12 1
13D 14 w1
1 14
9
SW00050
52 1B0
51 1B1
49 1B2
48 1B3
47 1B4
45 1B5
44 1B6
43 1B7
42 2B0
41 2B1
40 2B2
38 2B3
37 2B4
36 2B5
34 2B6
33 2B7
SY00014
1998 Sep 03
3
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