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| SP3249E Datasheet, PDF (4/14 Pages) Sipex Corporation – Intelligent +3.0V to +5.5V RS-232 Transceivers | |||
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PIN DESCRIPTION
NAME
FUNCTION
PIN
NO.
C2+
Positive terminal of the inverting charge-pump capacitor.
1
GND
Ground.
2
C2-
Negative terminal of the inverting charge-pump capacitor.
3
V-
Regulated -5.5V output generated by the charge pump.
4
T1OUT
RS-232 driver output.
5
T2OUT
RS-232 driver output.
6
T3OUT
RS-232 driver output.
7
R1IN
RS-232 receiver input.
8
R2IN
RS-232 receiver input.
9
T4OUT
RS-232 driver output.
10
R3IN
RS-232 receiver input.
11
T5OUT
RS-232 driver output.
12
T5IN
TTL/CMOS driver input.
13
R3OUT
TTL/CMOS receiver output.
14
T IN
TTL/CMOS driver input.
15
4
R2OUT
TTL/CMOS receiver output.
16
R1OUT
TTL/CMOS receiver output.
17
T3IN
TTL/CMOS driver input.
18
T2IN
TTL/CMOS driver input.
19
T1IN
TTL/CMOS driver input.
20
C1-
Negative terminal of the voltage doubler charge-pump capacitor.
21
VCC
+3.0V to +5.5V supply voltage.
22
V+
Regulated +5.5V output generated by the charge pump.
23
C1+
Positive terminal of the voltage doubler charge-pump capacitor.
24
Table 1. Device Pin Description
Rev.4/08/02
SP3249E Intelligent +3.0V to +5.5V RS-232 Transceivers
4
© Copyright 2002 Sipex Corporation
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