SP3222EH_06 Datasheet, PDF (5/19 Pages) Sipex Corporation – 3.3V, 460 Kbps RS-232 Transceivers

PIN DESCRIPTION
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 receiver output.
R2OUT TTL/CMOS receiver 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.
NC No Connect.
Table 1. Device Pin Description
PIN NUMBER
SP3222EH
DIP/SO
SSOP/-
TSSOP
SP3232EH
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
-
Date: 1/18/06
SP3222EH/3232EH 3.3V, 460 Kbps RS-232 Transceivers
5
© Copyright 2006 Sipex Corporation