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1A2
46
1A3
44
1A4
43
1A5
41
1A6
40
1A7
38
1A8
37
2A2
35
2A3
33
2A4
32
2A5
30
2A6
29
2A7
27
2A8
26
1OE
2OE
1A1
47
G3
48
3 en1 [ba]
1
1DIR
3 en2 [ab]
G6
25
6 en4 [ba]
24
2DIR
6 en5 [ab]
1B1
2
1B2
3
1B3
5
1B4
6
1B5
8
1B6
9
1B7
11
1B8
12
2A1
36
2B1
13
2B2
14
2B3
16
2B4
17
2B5
19
2B6
20
2B7
22
2B8
23
1
2
4
5
sn54abt16245a,sn74abt16245a
16-bitbustransceivers
with3-stateoutputs
SCBS300F–MARCH1994–REVISEDJULY2005
FUNCTIONTABLE
(each8-bitsection)
输入
运作
OEDIR
LLBdatatoAbus
LHAdatatoBbus
HXIsolation
LOGICSYMBOL
(1)
(1)thissymbolisinaccordancewithansi/ieeestd91-1984andiecpublication617-12.
2