SP503AN Datasheet, PDF (12/13 Pages) Sipex Corporation – Application Note

Using Transient Voltage Suppressors with the SP503
+5V
22µF
1N5819
22µF
28 31 25
C2-
C2+
V_CC
SP503CF
Drivers
TxD
14
27 26 30
V_{DD C1+} C1- 32
V_SS
DTR
13
RTS
16
TxC
15
ST
22
22µF
15 14 13 12 11 10
2 3 45 67
ProTek Devices
SM16LC15C
RL
17
LL
24
Receivers
RxD
1
RxC
20
CTS
80
DSR
78
DCD
19
RI
21
SCT
79
15 14 13 12 11 10
2 3 45 67
ProTek Devices
SM16LC15C
* - Please note that the ProTek transient
voltage suppressors should also be con-
nected to the other SP503 drivers and re-
ceivers in the same configuration as shown
above.
SP503AN
SP503 Application Note
12
© Copyright 2000 Sipex Corporation