SP3244E Datasheet, PDF (2/22 Pages) Sipex Corporation – 3.0V to 5.5V RS-232 Transceivers with Auto On-Line® Plus

PIN ASSIGNMENTS
NAME
C2+
C2-
V-
R1IN
R2IN
R3IN
R4IN
R5IN
T1OUT
T2OUT
T3OUT
T3IN
T2IN
T1IN
R5OUT
R4OUT
R3OUT
R2OUT
R1OUT
R2OUT
STATUS
SHUTDOWN
ONLINE
C1-
GND
VCC
V+
C1+
FUNCTION
Positive terminal of the inverting charge pump capacitor.
Negative terminal of the inverting charge pump capacitor.
Regulated -5.5V output generated by the charge pump.
RS-232 receiver input.
RS-232 receiver input.
RS-232 receiver input.
RS-232 receiver input.
RS-232 receiver input.
RS-232 driver output.
RS-232 driver output.
RS-232 driver output.
TTL/CMOS driver input.
TTL/CMOS driver input.
TTL/CMOS driver input.
TTL/CMOS receiver output.
TTL/CMOS receiver output.
TTL/CMOS receiver output.
TTL/CMOS receiver output.
TTL/CMOS receiver output.
Non-inverting receiver 2 output; active in shutdown.
Status output.
Forced SHUTDOWN input. Drive low to shut down drivers, receivers
and charge pump. Will override Auto On-line^® Plus. Do not leave this
pin open.
Auto On-line^® input. Active low enabled automatic power saving
feature. Equivalent to competitor's FORCEON pin. Do not leave this
pin open.
Negative terminal of the voltage doubler charge pump capacitor.
Ground connection.
Device power supply pin (3.0V to 5.5V).
Regulated +5.5V output generated by the charge pump.
Positive terminal of the voltage doubler charge pump capacitor.
PIN NUMBER
(T)SSOP
QFN
1
29
2
30
3
31
4
1
5
2
6
3
7
4
8
5
9
6
10
7
11
8
12
10
13
11
14
12
15
13
16
14
17
15
18
17
19
18
20
19
21
20
22
21
23
22
24
23
25
24
26
26
27
27
28
28
Rev M 10/9/06
SP3244E-SP3245E, 3.0V to 5.5V RS-232 Transceivers with Auto On-Line^® Plus
2
© Copyright 2006 Sipex Corporation