SP3220E Datasheet, PDF (5/18 Pages) Sipex Corporation – +3.0V to +5.5V RS-232 Driver/Receiver Pair

NAME
FUNCTION
PIN NUMBER
EN
Receiver Enable Control. Drive LOW for normal operation. Drive HIGH to Tri-
State the receiver outputs (high-Z state).
1
C1+ Positive terminal of the voltage doubler charge-pump capacitor.
2
V+ +5.5V generated by the charge pump.
3
C1- Negative terminal of the voltage doubler charge-pump capacitor.
4
C2+ Positive terminal of the inverting charge-pump capacitor.
5
C2- Negative terminal of the inverting charge-pump capacitor.
6
V-
-5.5V generated by the charge pump.
7
R1IN RS-232 receiver input.
R1OUT TTL/CMOS reciever output.
N.C. No Connect.
T1IN TTL/CMOS driver input.
T1OUT RS-232 driver output.
GND Ground.
V_CC
SHDN
+3.0V to +5.5V supply voltage
Shutdown Control Input. Drive HIGH for normal device operation. Drive LOW to
shutdown the drivers (high-Z output) and the on-board charge pump power
supply.
Table 1. Device Pin Description
8
9
10, 12
11
13
14
15
16
11/07/02
SP3220E True +3.0 to +5.0V RS-232 Transceivers
5
© Copyright 2000 Sipex Corporation