參數(shù)資料
型號: SP504AN
英文描述: Application Note
中文描述: 應(yīng)用筆記
文件頁數(shù): 29/31頁
文件大?。?/td> 257K
代理商: SP504AN
29
Rev: A Date:1/27/04
SP504 Multi–Mode Serial Transceivers
Copyright 2004 Sipex Corporation
Figure 29. Adding extra differential and single-ended transceivers using the SP332
22
μ
F
22
μ
F
22
μ
F
25
27
V
DD
26
30
28
31
32
1N5819
V
CC
C1-
C2-V
SS
C1+
C2+
22
μ
F
61
59
58
+5V
SP504CF
Drivers
TxD
14
56
54
DTR
13
52
63
RTS
16
65
42
TxC
15
44
47
ST
22
45
51
RL
17
49
70
LL
24
71
37
RxD
1
38
66
RxC
20
67
68
CTS
80
69
35
DSR
78
36
39
DCD
19
40
76
RI
21
77
SCT
79
Receivers
TDEC
3
—TDEC
0
(pins 9-12)
+5V
5
V
CC
10
μ
F
SP332
28
8
21
4
3
18
17
9
12
11
13
10
14
V
+
V
-
C1+
C1-
C2+
C2-
0.1
μ
F
0.1
μ
F
0.1
μ
F
0.1
μ
F
SEL A
SEL B
24
2
see pinout diagram for various ground pins
10
μ
F
6
7
26
27
15
16
19
20
T1
T2
T3
R1
R2
R3
0
1
LOOPBACK
1
23
4
22
12
30
7
25
17
35
6
24
8
26
9
27
11
29
13
31
15
5
23
DB-37 Connector
34
16
RDEC
3
—RDEC
0
(pins 5-2)
"1100" for RS-449 mode
10
14
18
LL
RL
TM
Note: The SP332 will require clamping di-
odes on the driver outputs to limit the volt-
age to
±
6V and comply with the RS-423
driver output specification of V
=
±
4V to
±
6V and V
OUT
±
3.6V with a 450
load.
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