ST3222EBDR STMicroelectronics, ST3222EBDR Datasheet - Page 3

• Manufacturer Part Number: ST3222EBDR
• Description: IC DRVR/RCVR 5.5V RS232 16-SOIC
• Manufacturer: STMicroelectronics
• Type: Transceiverr

Specifications of ST3222EBDR

• Number Of Drivers/receivers: 2/2
• Protocol: RS232
• Voltage - Supply: 3 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-2070-2

1
Figure 1.
Table 2.
Pin n°
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
Pin configuration
Pin connection
Pin description
Symbol
R2
R1
T2
T1
SHDN
GND
R2
R1
T2
T1
V
C
C
C
C
NC
NC
EN
V+
V-
OUT
OUT
CC
OUT
OUT
1
2
1
2
IN
IN
IN
IN
+
+
-
-
Receiver enable control. drive low for normal operation. Drive high to force the
receivers outputs (R_OUT) into a high-impedance state.
Positive terminal for the first charge pump capacitor
5.5V Generated by the charge pump.
Negative terminal for the first charge pump capacitor
Positive terminal for the second charge pump capacitor
Negative terminal for the second charge pump capacitor
-5.5V Generated by the charge pump.
Second transmitter output voltage
Second receiver input voltage
Second receiver output voltage
Not connected
Second transmitter input voltage
First transmitter input voltage
Not connected
First receiver output voltage
First receiver input voltage
First transmitter output voltage
Ground
Supply voltage
Active low shutdown control input. drive low to shut-down transmitter and charge pump
Name and function
3/15