SP504 Sipex, SP504 Datasheet - Page 29

• Manufacturer Part Number: SP504
• Description: WAN Multi-Mode Serial Transceiver
• Manufacturer: Sipex

Rev: A Date:1/27/04
Figure 29. Adding extra differential and single-ended transceivers using the SP332
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
±6V and V
"1100" for RS-449 mode
OUT
≥ ±3.6V with a 450Ω load.
OC
= ±4V to
TDEC
RDEC
+5V
3
3
—TDEC
—RDEC
0
1
0.1µF
0
10µF
0
Receivers
(pins 9-12)
(pins 5-2)
Drivers
0.1µF
SP504 Multi–Mode Serial Transceivers
1N5819
DSR
DCD
DTR
RTS
RxD
RxC
CTS
SCT
TxD
TxC
ST
RL
14
13
16
15
22
17
LL
24
20
80
78
19
21
79
22µF
RI
1
26
27
28
19
20
24
21
12
11
13
2
+5V
25
9
V
SEL A
SEL B
C2+
CC
C1+
C1-
C2-
29
27
V
SP332
DD
T1
T2
T3
SP504CF
26
R1
R2
LOOPBACK
R3
C1+
V
5
CC
22µF
30
C1-
V
V
C2+
+
-
28
22µF
10
14
23
8
15
16
17
6
7
18
3
4
C2-
31
V
SS
0.1µF
32
61
59
58
56
54
52
63
65
42
44
47
45
51
49
70
71
37
38
66
67
68
69
35
36
39
40
76
77
0.1µF
see pinout diagram for various ground pins
1
22µF
© Copyright 2004 Sipex Corporation
10µF
DB-37 Connector
LL
RL
TM
13
15
4
22
12
30
7
25
17
35
16
27
11
29
31
10
34
6
24
8
26
9
23
14
5
18