STC3232E Datasheet, PDF (4/7 Pages) List of Unclassifed Manufacturers – High ESD-Protected, Low Power, 3.3V to 5.5V, True RS-232 Transceivers

STC International Limited
http://www.mcu-memory.com
Pin Descriptions
PIN
(SO/DIP/SSOP)
—
1
2
3
4
5
6
7, 14
8, 13
9, 12
10, 11
15
16
NAME
/EN
C1+
V+
C1-
C2+
C2-
V-
T_OUT
R_IN
R_OUT
T_IN
GND
VCC
FUNCTION
Receiver Enable. Active low.
Positive Terminal of Voltage-Doubler Charge-Pump Capacitor
+5.5V Generated by the Charge Pump
Negative Terminal of Voltage-Doubler Charge-Pump Capacitor
Positive Terminal of Inverting Charge-Pump Capacitor
Negative Terminal of Inverting Charge-Pump Capacitor
-5.5V Generated by the Charge Pump
RS-232 Transmitter Outputs
RS-232 Receiver Inputs
TTL/CMOS Receiver Outputs
TTL/CMOS Transmitter Inputs
Ground
+3.0V to +5.5V Supply Voltage
Typical Operating Characteristics
(V_CC = +3V to +5.5V, C1-C4 = 0.1µF, T_A = T_MIN to T_MAX, unless otherwise noted. Typical values are at T_A = +25°C.)
STC3232E Datasheet Rev.0.1, Dec.2005
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