SP3222B Datasheet, PDF (5/18 Pages) Sipex Corporation – True +3.0V to +5.5V RS-232 Transceivers

NAME
FUNCTION
EN
Receiver Enable. Apply logic LOW for normal operation.
Apply logic HIGH to disable the receiver outputs (high-Z state).
C1+ Positive terminal of the voltage doubler charge-pump capacitor.
V+ +5.5V generated by the charge pump.
C1- Negative terminal of the voltage doubler charge-pump capacitor.
C2+ Positive terminal of the inverting charge-pump capacitor.
C2- Negative terminal of the inverting charge-pump capacitor.
V- -5.5V generated by the charge pump.
T1OUT RS-232 driver output.
T2OUT RS-232 driver output.
R1IN RS-232 receiver input.
R2IN RS-232 receiver input.
R1OUT TTL/CMOS reciever output.
R2OUT TTL/CMOS reciever output.
T1IN TTL/CMOS driver input.
T2IN TTL/CMOS driver input.
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 power supply.
N.C. No Connect.
Table 1. Device Pin Description
PIN NUMBER
SP3222B
DIP/SO
SSOP
TSSOP
SP3232B
1
1
-
2
2
1
3
3
2
4
4
3
5
5
4
6
6
5
7
7
6
15
17
14
8
8
7
14
16
13
9
9
8
13
15
12
10
10
9
12
13
11
11
12
10
16
18
15
17
19
16
18
20
-
-
11, 14
-
Rev. 6/30/03
SP3222B/3232B True +3.0 to +5.5V RS-232 Transceivers
5
© Copyright 2003 Sipex Corporation