st3237eb STMicroelectronics, st3237eb Datasheet - Page 3

• Manufacturer Part Number: st3237eb
• Description: ? 15 Kv Esd Protected, 1 ?a, 3 To 5.5 V, 250 Kbps Rs-232 Transceiver With Stand-by
• Manufacturer: STMicroelectronics

1
Figure 1.
Table 2.
Pin n°
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
Pin configuration
Pin connection
Pin description
Symbol
R1
VHSCI
R3
T1
T2
T3
T4
T5
SHDN
GND
R1
R2
R3
T5
C
C
EN
V-
OUTB
OUT
OUT
OUT
OUT
OUT
OUT
2
2
IN
IN
IN
IN
+
-
Positive Terminal of Inverting Charge Pump Capacitor
Ground
Negative terminal of inverting charge pump capacitor
5.5V generated by the charge pump
First transmitter output voltage
Second transmitter output voltage
Third transmitter output voltage
First receiver input voltage
Second receiver input voltage
Fourth transmitter output voltage
Third receiver input voltage
Fifth transmitter output voltage
Receiver enable, active low
Shutdown control, active low
Very high speed control input. Connect to GND for normal
operation; connect to V
Non inverting complementary receiver output. Always active.
Fifth transmitter input voltage
Third receiver output voltage
CC
Name and function
for 1 Mbps transmission rates.
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