SP3223H Datasheet, PDF (6/23 Pages) Sipex Corporation – High Speed Intelligent +3.0V to +5.5V RS-232 Transceivers

NAME
EN
C1+
FUNCTION
PIN NUMBER
SP3223H SP3243H
Receiver Enable. Apply logic LOW for normal operation. Apply logic HIGH
to disable the receiver outputs (high-Z state).
1
-
Positive terminal of the voltage doubler charge-pump capacitor.
2
28
V+
Regulated +5.5V output generated by the charge pump.
3
27
C1-
Negative terminal of the voltage doubler charge-pump capacitor.
4
24
C2+
Positive terminal of the inverting charge-pump capacitor.
5
1
C2-
Negative terminal of the inverting charge-pump capacitor.
6
2
V-
Regulated -5.5V output generated by the charge pump.
7
3
R₁IN
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.
16
4
9
5
-
6
-
7
-
8
15
19
10
18
-
20
-
17
-
16
-
15
11
21
T₁IN
TTL/CMOS driver input.
13
14
T₂IN
TTL/CMOS driver input.
12
13
T₃IN
TTL/CMOS driver input.
-
12
ONLINE
Apply logic HIGH to override Auto-Online circuitry keeping drivers active
(SHUTDOWN must also be logic HIGH, refer to Table 2).
14
23
T₁OUT
RS-232 driver output.
17
9
T₂OUT
RS-232 driver output.
8
10
T₃OUT
RS-232 driver output.
-
11
GND
Ground.
18
25
V_CC
+3.0V to +5.5V supply voltage.
19
26
SHUTDOWN
Apply logic LOW to shut down drivers and charge pump. This overrides all
Auto-Online circuitry and ONLINE (refer to Table 2).
20
22
Table 1. Device Pin Description
Rev. 6/30/03
SP3223H +3.0V to +5.5V RS-232 Transceivers
6
© Copyright 2003 Sipex Corporation