SP3223EU Datasheet, PDF (6/25 Pages) Sipex Corporation – High Speed Intelligent +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+
Regulated +5.5V output 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-
Regulated -5.5V output generated by the charge pump.
R IN
1
R₂IN
R₃IN
R₄IN
R₅IN
R₁OUT
R₂OUT
R₂OUT
R₃OUT
R₄OUT
R₅OUT
STATUS
RS-232 receiver input.
RS-232 receiver input.
RS-232 receiver input.
RS-232 receiver input.
RS-232 receiver input.
TTL/CMOS receiver output.
TTL/CMOS receiver output.
Non-inverting receiver-2 output, active in shutdown.
TTL/CMOS receiver output.
TTL/CMOS receiver output.
TTL/CMOS receiver output.
TTL/CMOS Output indicating online and shutdown status.
T₁IN
T₂IN
T₃IN
ONLINE
TTL/CMOS driver input.
TTL/CMOS driver input.
TTL/CMOS driver input.
Apply logic HIGH to override Auto-Online circuitry keeping
drivers active (SHUTDOWN must also be logic HIGH,
refer to Table 2).
T₁OUT
T₂OUT
T₃OUT
GND
RS-232 driver output.
RS-232 driver output.
RS-232 driver output.
Ground.
V_CC
+3.0V to +5.5V supply voltage.
SHUTDOWN Apply logic LOW to shut down drivers and charge pump.
This overrides all AUTO ON-LINE^® circuitry and ONLINE
(refer to Table 2).
NC
No Connection
SP3223EU
PIN NUMBER
SP3243EU
SP3243EUCR
MLPQ
1
-
-
2
28
28
3
27
26
4
24
22
5
1
29
6
2
31
7
3
32
16
4
2
9
5
3
-
6
4
-
7
5
-
8
6
15
19
17
10
18
16
-
20
18
-
17
15
-
16
14
-
15
13
11
21
19
13
14
12
12
13
11
-
12
10
14
23
21
17
9
7
8
10
8
-
11
9
18
25
23
19
26
25
20
22
20
-
-
1,24,27,30
Table 1. Device Pin Description
Date: 06/28/04
SP3223EU/3243EU +3.0V to +5.5V RS-232 Transceivers
6
© Copyright 2004 Sipex Corporation